Poor Man’s Lobster Rolls – My Bizzy Kitchen

By electricdiet / April 7, 2020


In 2013 my late husband and I drove across the country from Chicago to Austin, Texas.  It was pretty much the longest trip of my life.  Not only did Tony hate my driving, and complain about it that I was going too slow and that I had to keep up with the assholes driving 90+ mph, we thought once we hit the border of Texas “we were almost there!”  Nope, still hours to go.

Since Tony did most of the driving, I just looked up what restaurants I wanted to go to – not a shocker!  But what I was really interested in was the food trucks!  We just started having food trucks in Chicago, but I live in the NW suburbs of Chicago – not one anywhere near me.  I had dreams of ordering brisket and pulled pork sandwiches.

Once we got there, we quickly realized that most food trucks didn’t even open until 11 PM when bars started to get busy.  By luck we found one lone food truck that I think I screamed “pull over – there’s a food truck!”  Only to discover it was a . . . .lobster roll truck.  Really, in Texas??!!

But I had to pull the trigger and didn’t realize until well after the tarragon butter was wiped from my mouth an hour later, that we just paid $100 for four sandwiches.

So that’s where my Poor Man’s Lobster Roll was born.  I originally wrote this for a Chopping Block blog post in 2019.  I switched up the recipe a bit to add some veggies to the roll (I know, not traditional) and did a basil butter over the top.  #swoon

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Poor Man’s Lobster Rolls

A delicious light sandwich that can be made ahead of time.  Simply butter toast the buns and you’ve got a delicious meal in minutes.  And a lot cheaper than lobster!  This filling is for 4 sandwiches.

  • Author: Biz
  • Prep Time: 5
  • Cook Time: 5
  • Total Time: 10
  • Category: dinner

Scale

Ingredients

12 ounces cooked shrimp, chopped in half
1/3 cup non-fat Greek yogurt
1 tablespoon lemon juice
zest from 1 lemon
2 teaspoons minced garlic
2 tablespoons chopped fresh parsley
1/2 cup finely chopped cucumber
1/2 cup pan fried sugar snap peas, sliced thin
Pinch of salt, pepper, cayenne pepper
4 tablespoons I Can’t Believe Its Not Butter, divided
2 tablespoons fresh chopped basil
4 good hotdog buns (I used Martin’s @potatorolls)

Instructions

Mix the shrimp through cayenne pepper in a bowl. Melt one tablespoon butter and place the buns face down, until toasted. Divide the mixture between the buns. Melt the remaining butter, toss in the basil and pour over the rolls.

Notes

This is not the time to skimp on good buns 😉On #teampurple and #teamblue, each sandwich is 5 points. #teamgreen needs to add the shrimp – so if someone can tell me what that is, I’d appreciate it.

I don’t do mayonnaise so that’s why I subbed in the Greek yogurt.  This is light, bright with the lemon juice and zest, and as close as I will get to a lobster roll anytime soon.

Hannah and I had a productive weekend.  She has officially released the pantry organization to me – basically she is quitting after this last reorganization and I don’t blame her.  I will try to keep it up – pinky swear!

I still have so many pantry items that I know I can meal prep with what I have.  

I found this gem while cleaning out the basement – Hannah art from 1998!

And my friend Morgan sent me this belated birthday gift.  I joke that on the Weight Watchers plan #teamturquoise – where everything is zero points.  It’s a fun plan to be on by the way.  I had about 60 people tell me that since being quarantined, this is the team plan they follow!

Our weather was glorious at times this weekend – the dogs are loving all the fresh air – love Roman’s face in this picture!





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Low-Carb Cauliflower Mushroom Risotto | Diabetes Strong

By electricdiet / April 5, 2020


Cauliflower risotto has all the flavor of traditional risotto but with almost none of the carbs! A creamy, satisfying dish that is perfect for weeknights.

close up of mushroom risotto in white plate

There is nothing like a hearty, creamy dish for dinner after a long day. This low-carb mushroom cauliflower risotto is the perfect dinner any day of the week. It’s can be prepared in under an hour and is packed full of flavor.

Traditional risotto is made with arborio rice which absorbs vegetable broth slowly to make a creamy, rich rice dish. We use cauliflower as a rice replacement in many recipes and it works perfectly here too!

How to make cauliflower risotto

Preparing a low-carb risotto is quite similar to making traditional risotto and couldn’t be easier to make.

Step 1: Clean and finely slice the mushrooms. Finely chop the onion.

ingredients for the dish laid out

Step 2: Heat a large pan over medium heat. Add butter and allow to melt. Once the butter has melted and is hot, add onion and sauté until the onion is translucent (4-5 minutes). Add garlic and cook for another minute.

onions and garlic being sauteed in large pan

Step 3: Add lemon juice, thyme, salt, pepper, and sliced mushrooms. Fry for a few minutes until the mushrooms start to release their juices.

sliced mushrooms being fried

Step 4: Add cauliflower and stir to coat with the melted butter. Add the white wine and stir until it has mostly evaporated.

Step 5: Turn the heat down to low. Add the vegetable broth 1/4 cup at a time while stirring. Allow most of the vegetable broth to bubble away before adding the next 1/4 cup.

Step 6: Once the last bit of broth has been added, stir in the cream. Cover the pan and cook for a further 3 – 5 minutes till the cauliflower has steamed through and is tender.

All ingredients for the risotto added to the pan

Step 7: Remove from the heat and add the parmesan cheese. Mix well and serve.

parmesan cheese being added to the pan

Step 8: Garnish with more parmesan cheese if desired.

Storage

You can store any leftover risotto in the refrigerator for up to 3 days. Use an airtight container to keep it tasting fresh and delicious.

More low-carb cauliflower recipes to try

This recipe is one of many recipes using cauliflower you can find on this website! It’s such a versatile vegetable and can be used in many creative and tasty ways. Here are some of my other favorite cauliflower recipes that you can try out!

If you like low-carb cauliflower recipes, you can also check out my roundup of low-carb cauliflower recipes for more inspiration. 

When you’ve tried this low-carb cauliflower risotto, please don’t forget to let me know how you liked it and rate the recipe in the comments below!

Recipe Card

Mushroom Cauliflower Risotto

Cauliflower risotto has all the flavor of traditional risotto but with none of the carbs! A creamy, satisfying dish that is perfect for weeknights.

Prep Time:5 minutes

Cook Time:40 minutes

Total Time:45 minutes

Servings:4 servings

Ingredients

  • 1/2 cup butter
  • 1/2 cup white onion (chopped fine)
  • 1 Tsp. lemon juice
  • 1 Tsp. fresh thyme
  • 8 ounces white button mushrooms (sliced)
  • 3 cloves garlic (minced)
  • 1/2 Tsp. Salt
  • 1/2 Tsp. Pepper
  • 12 ounces riced cauliflower
  • 1/4 cup dry white wine
  • 1/2 cup vegetable broth (heated)
  • 4 tbsp heavy cream
  • 1/2 cup grated parmesan cheese

Instructions

  • Clean and finely slice the mushrooms. Finely chop the onion.

  • Heat a large pan over medium heat. Once hot, add butter and allow to melt. Once the butter has melted and is hot, add onion and sauté until onion is translucent (4-5 minutes). Add garlic and cook for another minute.

  • Add lemon juice, thyme, salt, pepper and sliced mushrooms. Fry for a few minutes until the mushrooms start to release their juices.

  • Add cauliflower and stir to coat with the melted butter. Add the white wine and stir until it has mostly evaporated.

  • Turn the heat down to low. Add the vegetable broth 1/4 cup at a time while stirring. Allow most of the vegetable broth to bubble away before adding the next 1/4 cup.

  • Once the last bit of broth has been added, stir in the cream.

  • Cover the pan and cook for a further 3 – 5 minutes till the cauliflower has steamed through and is tender.

  • Remove from the heat and add the parmesan cheese. Mix well and serve. Garnish with more parmesan cheese if desired.

Recipe Notes

This recipe makes 4 servings.  You can store leftovers in the refrigerator for 4 – 5 days. 

Nutrition Info Per Serving

Nutrition Facts

Mushroom Cauliflower Risotto

Amount Per Serving

Calories 391 Calories from Fat 301

% Daily Value*

Fat 33.4g51%

Saturated Fat 21g105%

Polyunsaturated Fat 1.2g

Monounsaturated Fat 8.1g

Cholesterol 95.5mg32%

Sodium 251.9mg10%

Potassium 490.3mg14%

Carbohydrates 13.2g4%

Fiber 3.2g13%

Sugar 5.1g6%

Protein 9.1g18%

Net carbs 10g

* Percent Daily Values are based on a 2000 calorie diet.

Course: Main Course

Cuisine: Italian

Keyword: Cauliflower Risotto



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Sweet Potato Pancakes Recipe Takes Short Cut With Bisquick and Canned Yams

By electricdiet / March 27, 2020


Sweet Potato Pancakes Recipe Makes Quick Make- Ahead Breakfast

In the mornings, you need breakfast to start the day but who has the time? This is one of the best pancake recipes ever.  You must try my easy Sweet Potato Pancakes recipe from my best selling cancer cookbook, Eating Well Through Cancer. This book contains simple recipes for quick healthy meals.  These healthy Sweet Potato Pancakes recipe is also diabetic-friendly.  Fast with a shortcut of canned yams and Bisquick, this is my favorite of Bisquick Pancake recipes. Yam Pancakes known as Louisiana Sweet Potato Pancakes have a naturally sweet flavor.

healthy sweet potato pancakes recipe

Easy Sweet Potato Pancakes Quickly Won Me Over

I actually was looking up sweet potato pancake recipes in all my cookbooks and I found one in Too Hot in the Kitchen cookbook.  Looked absolutely delicious. However, it was with lots of ingredients so I took a quick look in my cancer cookbook to find my recipe for Yam Pancakes. When I saw how simple it was and I had most of the ingredients, I definitely decided on the quick healthy sweet potato pancakes recipe!

Best Make Ahead Breakfast – My Best Pancakes Recipe Freezes Well

This recipe makes a lot of pancakes but that’s a good thing! I freeze them in a zip-lock plastic bag and pull out every morning for breakfast.  I heat the pancakes up in the microwave for about 30 seconds-1 minute. To freeze:  I flash freeze on a baking sheet by laying them all over the pan.  When frozen, I put them in the freezer zip-top bag and this way they don’t stick together. You can pull out however many you want to eat that morning.

easy sweet potato pancakes

Healthy Sweet Potato Pancakes Recipe Simple To Make

By starting with Bisquick, you save so many steps.  You’ll love the flavor the sweet potato adds to the pancakes.  With a little cinnamon, eggs, oil and vanilla, you whip up the pancake batter quickly in one bowl. I really like the flavor the mashed sweet potatoes add to the pancakes.  Louisiana sweet potato pancakes are the best! You will find Bisquick Pancake recipes but this one is also diabetic!

Yamcakes
Start the morning off right with this bundle of flavor. Pancakes, sugar, spice, and everything nice – feel free to forget the syrup!

    Servings16 pancakes
    Prep Time5 minutes
    Cook Time5-10 minutes

    Ingredients

    • 2cups


      all-purpose baking mix

    • 2teaspoons


      ground cinnamon

    • 1/2cup


      mashedcanned sweet potatoes (drained)

    • 112-ounce


      can evaporated skim milk

    • 1


      egg

    • 1


      egg white

    • 1tablespoon


      canola oil

    • 1teaspoon


      vanilla extract

    Instructions
    1. In bowl, combine all ingredients just until combined. (batter will be lumpy).

    2. Heat large nonstick skillet or griddle coated with nonstick cooking spray. Spoon 1/4 cup batter onto pan for each pancake. Cook pancakes 1–2 minutes on each side, or until lightly browned.

    Recipe Notes

    Nutritional information per serving: Calories 98, Calories from fat (%) 20, Fat (g) 2, Saturated Fat (g) 0, Cholesterol (mg) 14, Sodium (mg) 213, Carbohydrate (g) 15, Dietary Fiber (g) 1, Sugars (g) 4, Protein (g) 4, Diabetic Exchanges: 1 starch

    Terrific Tip: Make a batch of pancakes, freeze and pop in the microwave for a quick breakfast.

    Nutritional Nugget: Toss in some dried fruit, pecans or chocolate chips, if desired.

    Eating Well Through Cancer Best Easy Healthy Cookbook with Everyday Ingredients

    My cookbook Eating Well Through Cancer is divided into chapter to help a person going through cancer treatment to find the foods best tolerated during treatment.  However, the book contains healthy, everyday recipes that the entire family will enjoy. Since I have been going through cancer treatment myself, I have used the cancer book as a patient.  This new perspective shows me that the book contains truly my favorite recipes.  These delicious Yamcakes have been my new favorite breakfast.

    Cook Easy Sweet Potato Pancakes On Nonstick Griddle Pan

    Whether you’re making pancakes or even burgers, a nonstick griddle pan makes a good choice of cookware to have on hand.  Honestly, it really makes cooking pancakes like these Yam Cakes or my Oatmeal Pancakes easier and I like this size pan.  Once you have a griddle pan, I promise you’ll find all kinds of uses for it.  Any brand works but I like a nonstick and about this size because it covers the burner to help cook evenly.

    What Makes the Best Pancakes Recipe?

    I think flavor, simplicity and health determine the best pancakes recipe. You’ll enjoy how easy these pancakes are to make with the two shortcuts of Bisquick and canned yams.  However, if you have leftover baked sweet potatoes, here’s an easy sweet potato recipe for the leftovers.  Just like my Oatmeal Pancakes, I try to give you simple healthy breakfast recipe. Both recipes include nutritional information and are diabetic friendly. Start you day with a delicious and healthy breakfast!

    Get All My Healthy Easy Cookbooks

    Get on Amazon below or order directly from my site.

    The post Sweet Potato Pancakes Recipe Takes Short Cut With Bisquick and Canned Yams appeared first on The Healthy Cooking Blog.



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    Myeloid HMG-CoA Reductase Determines Adipose Tissue Inflammation, Insulin Resistance, and Hepatic Steatosis in Diet-Induced Obese Mice

    By electricdiet / March 25, 2020


    Abstract

    Adipose tissue macrophages (ATMs) are involved in the development of insulin resistance in obesity. We have recently shown that myeloid cell–specific reduction of HMG-CoA reductase (Hmgcrm−/m−), which is the rate-limiting enzyme in cholesterol biosynthesis, protects against atherosclerosis by inhibiting macrophage migration in mice. We hypothesized that ATMs are harder to accumulate in Hmgcrm−/m− mice than in control Hmgcrfl/fl mice in the setting of obesity. To test this hypothesis, we fed Hmgcrm−/m− and Hmgcrfl/fl mice a high-fat diet (HFD) for 24 weeks and compared plasma glucose metabolism as well as insulin signaling and histology between the two groups. Myeloid cell–specific reduction of Hmgcr improved glucose tolerance and insulin sensitivity without altering body weight in the HFD-induced obese mice. The improvement was due to a decrease in the number of ATMs. The ATMs were reduced by decreased recruitment of macrophages as a result of their impaired chemotactic activity. These changes were associated with decreased expression of proinflammatory cytokines in adipose tissues. Myeloid cell–specific reduction of Hmgcr also attenuated hepatic steatosis. In conclusion, reducing myeloid HMGCR may be a promising strategy to improve insulin resistance and hepatic steatosis in obesity.

    Introduction

    One of the characteristics of obesity is chronic low-grade inflammation, which is associated with accumulation of adipose tissue macrophages (ATMs). The ATMs, in turn, can contribute to insulin resistance and type 2 diabetes (1,2). The activation state of ATMs shifts from an alternatively activated state (M2) in lean mice to a classically activated state (M1) in obese mice (3). Adipose tissue inflammation and insulin resistance are ameliorated by inhibiting the accumulation of ATMs through genetic ablation of CD11c+ cells (4) or knockdown of C-C motif chemokine receptor 2 (CCR2) in macrophages (5). These findings indicate that targeting ATMs is a promising strategy to improve insulin resistance.

    HMG-CoA reductase (HMGCR) is the rate-limiting enzyme in the mevalonate pathway (6). Inhibitors of HMGCR (statins) are widely used to prevent the occurrence of coronary heart disease and other atherosclerotic diseases, primarily by reducing blood cholesterol levels. The atheroprotective effects of statins have been ascribed not only to cholesterol lowering but also to various effects on vascular endothelial cells, vascular smooth muscle cells, and immune cells, including monocytes and macrophages (7). We recently reported that myeloid cell–specific reduction of Hmgcr protects against atherosclerosis by reducing migration of macrophages to the aorta in hypercholesterolemic mice (8). On the basis of these findings, we hypothesized that myeloid cell–specific reduction of Hmgcr also improves insulin sensitivity by reducing the recruitment of macrophages to adipose tissues in obesity.

    Research Design and Methods

    Animal studies were performed according to the regulations of the Animal Care Committees of Jichi Medical University. Myeloid cell–specific Hmgcr reduction (Hmgcrm−/m−) mice were generated by crossing Hmgcrfl/fl mice (control) (9) with LysMcre mice (The Jackson Laboratory) (8). All mice used in this study had a C57BL/6J genetic background. Eight-week-old male mice were fed either normal chow diet (NCD) (12% kcal fat, CE-2; CLEA Japan, Inc.) or high-fat diet (HFD) (60% kcal fat from lard, D12492; Research Diets) for 24 weeks. Plasma levels of glucose, insulin, tumor necrosis factor-α (TNF-α), and adiponectin were measured by Glucose CII Test Wako Kit (Wako), Mouse Insulin ELISA Kit (Morinaga), Mouse TNF-α Quantikine HS ELISA Kit (R&D Systems), and Mouse/Rat Adiponectin ELISA Kit (Otsuka Pharmaceuticals), respectively. Plasma lipids and liver triglyceride (TG) content were measured as described previously (8,9).

    Protein extracts from the tissues were subjected to SDS-PAGE and visualized with primary antibodies against p-AktSer473 or Akt and chemiluminescence of horseradish peroxidase–conjugated secondary antibody (Cell Signaling Technology) using ECL Prime Western Blotting Detection Reagent (GE Healthcare).

    The tissue sections were stained for F4/80 using a rat anti-F4/80 antibody (1:100 dilution; Bio-Rad), Histofine Simple Stain MAX PO (Nichirei), and diaminobenzidine (Sigma-Aldrich). Whole-mount immunostaining was performed as described previously (10) using the rat anti-F4/80 antibody followed by Alexa Fluor 488 goat anti-rat IgG (Thermo Fisher Scientific) or a rabbit anti-Ki67 antibody (Abcam) followed by Alexa Fluor 568 goat anti-rabbit IgG (Thermo Fisher Scientific). Apoptosis was determined by TUNEL staining using an In situ Apoptosis Detection Kit (Takara Bio). F4/80+ cells were sorted using MS Columns (Miltenyi Biotec) after incubation with biotin-conjugated anti-F4/80 antibody (eBioscience) followed by magnetic labeling with Anti-Biotin MicroBeads (Miltenyi Biotec) from the stromal vascular fraction of epididymal white adipose tissue (eWAT).

    Chemotaxis of thioglycolate-elicited macrophages (TGEMs) was quantified as described previously (8) with slight modifications. Total quantitative real-time PCR was performed as described previously (8). The primer-probe sets used in the experiments are listed in Supplementary Table 1.

    All data are presented as mean ± SD. GraphPad Prism 6 software was used for data analyses. Unpaired Student t test or repeated-measures ANOVA with Bonferroni multiple comparison test was used for comparisons as appropriate. Differences were considered significant at P < 0.05.

    Data and Resource Availability

    The data and critical resources supporting their reported findings, methods, and conclusions are available from the corresponding author upon reasonable request.

    Results

    Reduction of Hmgcr in Myeloid Cells Attenuates HFD-Induced Insulin Resistance Without Altering Body Weight

    There were no significant differences in the body weight, weights of eWAT, weights of liver, and food intake between the two groups under either the NCD or the HFD condition (Supplementary Fig. 1A–D). Body compositions estimated by CT scan and plasma lipids were not significantly different between the two groups under the HFD condition (Supplementary Fig. 1E–I).

    Fasting plasma glucose concentration, insulin concentration, and HOMA of insulin resistance (HOMA-IR) were lower Hmgcrm−/m− mice than in Hmgcrfl/fl mice under the HFD condition (Fig. 1AC). Hmgcrm−/m− mice showed significant improvement in glucose tolerance by glucose tolerance test compared with Hmgcrfl/fl mice under the HFD condition (Fig. 1D). Results of insulin tolerance tests showed that Hmgcrm−/m− mice had significant improvement in insulin sensitivity compared with Hmgcrfl/fl mice under the HFD condition (Fig. 1E). These parameters were not significantly different between the two groups under the NCD condition (Supplementary Fig. 2A–E).

    Figure 1
    Figure 1

    Glucose tolerance and insulin sensitivity in mice fed HFD for 24 weeks. AC: Fasting plasma glucose, insulin concentrations, and HOMA-IR of mice fed HFD (n = 14–15). HOMA-IR was calculated as fasting plasma glucose (mg/dL) × fasting plasma insulin (μIU/mL) divided by 405. D: Excursions of plasma glucose concentrations during glucose tolerance test in mice fed HFD (n = 11–12). After a 16-h fast, a 2.0 g/kg glucose solution was given to the mice orally. E: Excursions of plasma glucose concentrations during insulin tolerance test in mice fed HFD (n = 11–12). After a 4-h fast, 0.75 IU/kg insulin was given to the mice intraperitoneally. FH: Immunoblot analyses for p-AktSer473 and total Akt in the liver, eWAT, and gastrocnemius muscle in mice fed HFD. After a 16-h fast, the mice were injected with insulin (0.75 IU/kg) or saline. Ten minutes later, the mice were sacrificed by cervical dislocation, and the tissues were removed. IK: The ratio of p-AktSer473 to Akt was quantified as fold changes over Hmgcrfl/fl mice injected without insulin (n = 6). *P < 0.05, **P < 0.01 vs. Hmgcrfl/fl mice. AU, arbitrary unit.

    To confirm the improvement of systemic insulin sensitivity, we performed immunoblot analysis for p-AktSer473 in the liver, eWAT, and gastrocnemius muscle (Fig. 1FK). Of note, the magnitudes of insulin-stimulated increases in p-AktSer473 levels were significantly higher in Hmgcrm−/m− mice than in Hmgcrfl/fl mice fed HFD. These results indicate that reduction of Hmgcr in myeloid cells attenuates HFD-induced insulin resistance.

    Reduction of Hmgcr in Myeloid Cells Attenuates Accumulation of ATMs and HFD-Induced Inflammation in WAT

    ATMs typically surround dead adipocytes, known as crown-like structures (CLSs) (11). The number of F4/80+ CLSs was reduced by 77% in Hmgcrm−/m− mice compared with Hmgcrfl/fl mice under the HFD condition (Fig. 2A and B). The mRNA expression levels of marker genes for general macrophages, such as F4/80 and Cd68, and M1, such as Cd11c, Tnf-α, Il-1β, and Mcp-1, were significantly lower in Hmgcrm−/m− mice than in Hmgcrfl/fl mice under the HFD condition (Fig. 2CI). On the other hand, the mRNA expression levels of M2 markers, such as Cd206 and Cd163, were not different between the two groups (Fig. 2J and K).

    Figure 2
    Figure 2

    Immunostaining for ATMs, plasma levels of adiponectin and TNF-α, and mRNA expression in eWAT and ATMs from mice fed either NCD or HFD. A: Representative eWAT sections of staining for F4/80 in mice fed HFD. The sections were counterstained with hematoxylin. Scale bars = 200 μm. Arrowheads indicate CLS. B: Numbers of F4/80+ CLSs per 10 random high-power (HP) fields of sections of eWAT from mice fed HFD at original magnification ×200 (n = 8). CK: Relative mRNA levels of the marker genes for general macrophages (C and D), M1 (EI), and M2 (J and K) in eWAT from mice fed either NCD or HFD (n = 7–8). L: Relative mRNA levels of adiponectin in eWAT from mice fed HFD (n = 8). M: Plasma adiponectin concentrations in mice fed HFD (n = 14). N: Plasma TNF-α concentrations in mice fed HFD (n = 10). O: Relative mRNA levels of genes related to cholesterol metabolism in F4/80+ cells isolated from eWAT of mice fed HFD (n = 8). P: Relative mRNA levels of proinflammatory cytokines in F4/80+ cells isolated from eWAT of mice fed HFD (n = 8). #P < 0.05, ##P < 0.01 vs. NCD-fed Hmgcrfl/fl mice; *P < 0.05, **P < 0.01 vs. HFD-fed Hmgcrfl/fl mice.

    To determine how the reduction of myeloid Hmgcr alleviated insulin resistance, we measured mRNA expression levels and plasma concentrations of adiponectin, which is an adipocyte-derived insulin-sensitizing hormone (12), and measured plasma concentrations of TNF-α which antagonizes insulin action (13). Hmgcrm−/m− mice had significantly higher mRNA expression levels and plasma concentrations of adiponectin than Hmgcrfl/fl mice under the HFD condition (Fig. 2L and M). Furthermore, plasma TNF-α concentrations were significantly lower in Hmgcrm−/m− mice under the HFD condition (Fig. 2N). To investigate the inflammatory changes of ATMs, we collected ATMs from eWAT from mice fed an HFD. The mRNA expression levels of genes related to cholesterol metabolism and proinflammatory cytokines in F4/80+ cells were not significantly different between the two groups under the HFD condition except for Hmgcr (Fig. 2O and P). These results indicate that the reduction of Hmgcr in myeloid cells attenuates ATM accumulation and HFD-induced inflammation in WAT.

    Reduction of Hmgcr in Myeloid Cells Inhibits HFD-Induced Hepatic Steatosis Without Affecting the Number of Liver Macrophages

    Liver TG content reduced significantly by 52% in Hmgcrm−/m− mice compared with Hmgcrfl/fl mice under the HFD condition (Fig. 3A and B). The numbers of F4/80+ macrophages in the liver were not different between the two groups (Fig. 3C and D). In agreement with this, the mRNA expression levels of marker genes for general macrophages, those for M1, and those for M2 were not different between the two groups (Fig. 3EL). These results indicate that the reduction of Hmgcr in myeloid cells inhibits HFD-induced hepatic steatosis without affecting the number of liver macrophages or expression of proinflammatory cytokines in the liver.

    Figure 3
    Figure 3

    Histology, TG content, and mRNA expression in the liver of mice fed either NCD or HFD. A: Formalin-fixed paraffin-embedded sections of the liver were stained with hematoxylin and eosin (H&E). Scale bars = 200 μm. B: Liver TG content (n = 12). C: Representative F4/80 staining of the liver from mice fed HFD. The sections were counterstained with hematoxylin. Scale bars = 200 μm. D: Number of F4/80+ cells in three random high-power (HP) fields of the liver sections from mice fed HFD at original magnification ×200 (n = 5). EL: Relative mRNA levels of the marker genes for general macrophages (E and F), M1 (GK), and M2 (L) in the liver of mice fed either NCD or HFD (n = 5–6). ##P < 0.01 vs. NCD-fed Hmgcrfl/fl mice; *P < 0.05 vs. HFD-fed Hmgcrfl/fl mice.

    Reduction of Hmgcr in Myeloid Cells Reduces Chemotaxis of Macrophages Toward MCP-1 but Has Minimal Effects on Local Proliferation and Apoptosis of ATMs

    We hypothesized that the attenuation of ATM accumulation in Hmgcrm−/m− mice fed HFD was due to impaired chemotaxis to MCP-1, which is critical for ATM accumulation during obesity (14). The mRNA expression levels of Ccr2, a receptor for MCP-1, was not different between the two groups of F4/80+ cells isolated from eWAT (Supplementary Fig. 3A). On the other hand, chemotaxis of macrophages toward MCP-1 was reduced by 54% in TGEMs from Hmgcrm−/m− mice compared with those from Hmgcrfl/fl mice. The addition of mevalonate or geranylgeranyl pyrophosphate (GGPP) reversed the reduction of chemotaxis toward MCP-1 but not the addition of squalene or farnesyl pyrophosphate (FPP). These results suggest that GGPP plays an important role in macrophage chemotaxis (Fig. 4A and Supplementary Fig. 3B).

    Figure 4
    Figure 4

    Chemotactic activities of TGEMs toward MCP-1, cell proliferation, and apoptosis of ATMs in mice fed HFD. A: TGEM was subjected to a chemotaxis assay for MCP-1 (100 ng/mL). Numbers of migrated cells in three random high-power (HP) fields at original magnification ×200 estimated by fluorescence microscopy (n = 4–5). Mevalonate (1 mmol/L), squalene (1 mmol/L), GGPP (10 μmol/L), and FPP (10 μmol/L) were added according to the indicated conditions. B: Representative immunofluorescent staining for nucleus (DAPI), macrophages (F4/80), and proliferation (Ki67) in eWAT from mice fed HFD. Scale bars = 50 μm. C: Representative immunofluorescent staining for nucleus (DAPI), macrophages (F4/80), and apoptosis (TUNEL) in eWAT from mice fed HFD. Scale bars = 50 μm. D: Percentage of Ki67+ F4/80+ double-positive cells per F4/80+ cells in five random fields at original magnification ×400 (n = 5). E: Percentage of TUNEL+ F4/80+ double-positive cells per F4/80+ cells in five random fields at original magnification ×400 (n = 5). *P < 0.05, **P < 0.01 vs. Hmgcrfl/fl mice.

    To evaluate the numbers of proliferating and/or apoptotic ATMs, which are important determinants of the number of ATMs (10,15), we performed whole-mount immunostaining for Ki67 and TUNEL (Fig. 4BE). Neither Ki67+ ATMs nor TUNEL+ ATMs were significantly different between the two groups.

    Discussion

    In obese mice, adipose tissues are reported to recruit bone marrow–derived macrophages (2). Inhibiting chemotaxis of macrophages, such as knockdown of CCR2, has been reported to alleviate inflammation in adipose tissues and insulin resistance, primarily as a result of the reduction of ATMs (2,5). Consistent with these reports, the current study clearly shows that reduced chemotaxis of macrophages with reduced Hmgcr is associated with a decreased number of ATMs and amelioration of insulin resistance and fatty liver.

    How did the reduced supply of GGPP impair chemotaxis in Hmgcrm−/m− TGEMs? It is well known that Rho GTPases play a fundamental role in the control of cell shape and motility (16), and GGPP plays an essential role for the function of these small GTPases, including Rho GTPases, through protein prenylation (7). However, studies using macrophages isolated from knockout mice have shown that Rac1, Rac2, RhoA, RhoB, and RhoC are not essential for macrophage migration, although they do affect cell shape and adhesion (17,18). To further complicate the issue, deficiency of geranylgeranyltransferase type 1 (GGTase 1), which supposedly activate Rho GTPases by geranylgeranylation, in macrophages increases interleukin-1β production by increasing active GTP-bound Rac1, Cdc42, and RhoA in mice (19). Consistently, we found increased expression of proinflammatory cytokines when stimulated with lipopolysaccharide and increased amounts of membrane-bound Rac1, Cdc42, and RhoA in Hmgcrm−/m− TGEMs (8).

    Akula et al. (20) have reported the results that would solve the mystery. According to them, protein geranylgeranylation enables Toll-like receptor–induced activation of phosphatidylinositol-3-OH kinase [PI(3)K] by promoting the interaction between the small GTPase Kras and PI(3)K catalytic subunit p110δ. In the absence of geranylgeranylation, compromised PI(3)K activity allows an unchecked toll-like receptor–induced inflammatory response and constitutive activation of pyrin inflammasome. Taken together, it is unlikely that the reduced chemotaxis of Hmgcrm−/m− TGEMs is caused by inactivation of Rho GTPases.

    More specifically, G-protein subtypes γ2 and 3, which are essential for intracellular signaling of CCR2 in macrophages, are geranylgeranylated (21). Fluvastatin inhibits the migration of RAW264.7 cells by decreasing PI(3)K-mediated production of phosphatidylinositol (3,4,5)-trisphosphate (22), suggesting that similar defective downstream signaling underlies the impaired chemotaxis of Hmgcrm−/m− TGEMs. It is also possible that decreased supply of GGPP impairs geranylgeranylation of Rab GTPases, which are catalyzed by GGTase 2, also known as Rab GGTase, thereby impairing cell migration (23). Moreover, a decrease in cholesterol in the lipid raft of plasma membrane may inhibit the migratory activity of macrophages, as reported in mice whose fatty acid synthase (Fas) is ablated in myeloid cells (24). Further studies are warranted to clarify the mechanism behind the impaired migratory activity of Hmgcrm−/m− TGEMs.

    Why did HFD elicit inflammation in WAT but not in the liver? van der Heijden et al. (25) showed that AT inflammation was present after 24 weeks of HFD, whereas hepatic inflammation was not detected until 40 weeks of HFD, indicating that AT inflammation is established before the development of hepatic inflammation.

    In conclusion, reduction of myeloid Hmgcr improves glucose tolerance and insulin sensitivity by decreasing the number of ATMs and inflammation of adipose tissues by reducing the chemotaxis of macrophages to adipose tissues. Moreover, reduction of myeloid Hmgcr attenuates hepatic steatosis. Therefore, reducing myeloid HMGCR may be a promising strategy for improving insulin resistance and hepatic steatosis in obesity.

    Article Information

    Acknowledgments.

    The authors thank Mika Hayashi, Nozomi Takatsuto, and Mihoko Sejimo (Division of Endocrinology and Metabolism, Department of Internal Medicine, Jichi Medical University) for excellent technical support. The authors also thank Biopathology Institute Co., Ltd., for helping with the performance of histological analyses.

    Funding. This study was supported by Grants-in-Aid for Scientific Research-KAKENHI and Program for the Strategic Research Foundation at Private Universities (2011-2015) Cooperative Basic and Clinical Research on Circadian Medicine and Non-Communicable Diseases from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.

    Duality of Interest. This study was supported by unrestricted grants from Astellas Pharma, Daiichi Sankyo Co, Shionogi Co, Boehriger Ingelheim Japan, Ono Pharma, Mitsubishi Tanabe Pharma, Takeda Pharma Co, Toyama Chemical Co, Teijin, Sumitomo Dainippon Pharma, Sanofi K.K., Novo Nordisk Pharma, MSD K.K., Pfizer Japan, Novartis Pharma, and Eli Lilly Co. No other potential conflicts of interest relevant to this article were reported.

    Author Contributions. A.T. and S.T. designed and performed the experiments, maintained the mice, analyzed and interpreted the data, and wrote the manuscript. S.N. designed the experiments, maintained the mice, and contributed to the discussion. D.Y., A.M., T.W., M.I., H.Y., C.E., M.T., and K.E. contributed to the discussion. S.I. designed the experiments and wrote the manuscript. S.I. is the guarantor of this work and, as such, had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

    • Received January 23, 2019.
    • Accepted October 28, 2019.



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    Banana Chocolate Chip Scones – My Bizzy Kitchen

    By electricdiet / March 23, 2020


    One of the best things about working from home is being steps away from my kitchen.  It’s been nice to clock out at 12:30 and instead of meeting my sister for a walk, I walk steps into my kitchen and see what I can come up with!

    Hannah doesn’t like bananas unless they are slightly green, or barely able to peel.  Once they start to brown in the slightest way, she’s over it.  And it never fails when I buy a giant bunch of bananas, so does Hannah, then I have ALL THE BANANAS to use up.  Jacob is kind of over me adding bananas everything, but you have to use up what you have.

    The secret to scones is to freeze the dough for at least 30 minutes.  I got busy on my computer and these were in the freezer for an hour, but you’ll get clean knife cuts when you do that.

    And the peanut butter glaze – #swoon!  It makes these scones.  I used Truvia in the scone batter, so the powdered sugar in the glaze gives just enough sweetness, and then you’ll get a bite of chocolate chip in every other bite.  Love.

    This is a shaggy dough.  I made 16 mini scones.  I divided the dough into two circles, and with wet hands, press the dough into a circle and freeze.  Wetting your hands makes the dough not stick to your hands.

    Print

    Banana Chocolate Chip Scones

    These are the perfect sweet treat to start your day or snack on. If you love peanut butter, you’ll love the peanut butter glaze!


    Scale

    Ingredients

    • 2 2/3 cups self rising flour (regular flour is fine too)
    • 1/3 cup Truvia
    • 1 tablespoon baking powder
    • 1/4 teaspoon salt
    • 1 teaspoon cinnamon
    • 4 tablespoons I Can’t Believe It’s Not Butter
    • 1/2 cup oat milk (any milk works)
    • 1 egg
    • 2 ripe bananas
    • 60 mini Lily’s chocolate chips
    • 1 tablespoon vanilla
    • 2 tablespoons PBFit Sugar Free (powdered peanut butter)

    For the glaze:

    • 2 tablespoons PB Fit
    • 2 tablespoons powdered sugar
    • 2 teaspoons oat milk (or any milk) just enough to get to glaze consistency

    Instructions

    Heat oven to 425.

    Mix the flour, Truvia, baking powder, salt, cinnamon in a large bowl.  Mix the butter, oat milk, egg, banana and vanilla extract and whisk just until combined – it’s okay if the bananas are a bit chunky.

    Mix the wet ingredients with the dry ingredients.  Don’t freak out on my if you think “the dough is too wet!”  It will come together.  

    Divide dough in half and put dough on two separate parchment papers.  Wet your hands and press the dough into a 6-7 inch circle.  Place the parchment paper on a cookie sheet or plate and place in your refrigerator for 30-60 minutes.  It will be so much easier to cut.

    Cut each circle into 8 scones.  I baked 8 at a time, so keep the second dough in the freezer until ready to bake.  For a soft scone bake 9 minutes, for a bit of a crust, bake 11 minutes.

    Mix the PB2, powdered sugar and oat milk together to make the glaze.  Once the scones are completely cooled, drizzle the glaze over the scones.  I had enough glaze for 15 scones – one lonely scone didn’t get a glaze, but I was too lazy to make more. 😛

    Notes

    On #teampurple on WW, each scone is 3 points.  If you are on blue or green and make these, can you let me know how many points they are so I can update this?  You’re the best – thanks!

    See that clean knife cut?  Don’t skip the freezer part.  Unless you are in a hurry, then you can make drop scones. 

    If you make these – let me know!  I’d love to know what you think.

    Stay safe everyone – make it a great day – hugs!



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    How to use Dexcom CGM Trend Arrows for Insulin Adjustments

    By electricdiet / March 21, 2020


    If you use a CGM (Continuous Glucose Monitor), you probably already know how much of a game-changer this technology can be when it comes to managing your diabetes.

    Having insight into our blood glucose history, where what our blood sugar is right now, and where it’s headed brings peace of mind and makes managing diabetes a lot easier and safer.

    But even if you love your CGM, do you utilize the trend arrows for insulin adjustments? If not, you’re truly missing out on the full potential of the technology.

    By paying attention to the CGM trend arrows, you’ll be able to make more proactive and informed choices when it comes to adjusting your insulin doses.

    The information in this post is specific to the Dexcom CGM system. Other CGM systems use trend arrows as well, but they may have different meanings so please be careful utilizing the information here if you use another system.

    What the Dexcom CGM trend arrows tell us

    When you open your Dexcom app or look at your receiver, you’ll see your current blood sugar as well as an indication of what your blood sugar will be in 30 minutes.

    That indication comes in the form of arrows. On the receiver, the arrows are to the right of your current blood sugar. In the app, it’s shown as a circle with your blood sugar and the arrows around the circle.

    Two examples of Dexcom trend arrows

    You probably know that an up arrow indicates that your blood sugar is rising and a down arrow that it’s falling, but do you know by how much and how to include it in your insulin adjustments?

    Let’s start with what the arrows indicate according to the manufacturer:

    Trend ArrowsMeaning
    2 arrows straight upBG could increase more than 90 mg/dL (5 mmol/L) in 30 min.
    1 arrow straight upBG could increase up to 90 mg/dL (5 mmol/L) in 30 min.
    1 arrow slightly upBG could increase 30-60 mg/dL (1.7-3.3 mmol/L) in 30 min.
    1 arrow to the sideNo BG increase or decrease of more than 1 mg/dL (0.05 mmol/L) per min.
    1 arrow slightly downBG could decrease 30-60 mg/dL (1.7-3.3 mmol/L) in 30 min.
    1 arrow straight downBG could decrease up to 90 mg/dL (5 mmol/L) in 30 min.
    2 arrows straight downBG could decrease more than 90 mg/dL (5 mmol/L) in 30 min.

    Source: Dexcom G6 guide

    Real-life example

    Let’s say my blood sugar is 120 mg/dL (6.7 mmol/l) and my Dexcom is showing 2 arrows straight up.

    In this case, I can expect my blood sugar to potentially increase to above 210 mg/dL (120 + 90) within the next 30 min.

    I try to stay below 200 mg/dL so I’d most likely give myself a correction bolus based on this knowledge (as long as I didn’t just eat a meal or already have enough active insulin on board that just hasn’t kicked in yet).

    How to calculate your insulin adjustments based on the Dexcom trend arrows

    Your CGMs arrows can be incredibly helpful for blood sugar management — but only if you know how to respond to those arrows.

    Several medical professionals have come up with approaches for using CGM arrows to help patients dose insulin safely and effectively. Most importantly, they all agree that we should take the rise or fall rate into account when adjusting our insulin doses. What they disagree on, however, is exactly how insulin doses should be adjusted based on those arrows.

    The Endocrine Society reviewed four published approaches in 2017 and came up with their own guidelines. Their guidelines were published in the Journal of the Endocrine Society in December 2017 (please note that the guidelines discussed here are for adults only). 

    Since I consider the Endocrine Society the highest authority when it comes to this type of recommendation, I’m going to share their recommendation with you.

    Although the guidelines were written for Dexcom G5, no changes have been made to the arrows for the newer systems and the recommendations should be valid for Dexcom G6 as well.

    The Endocrine Society recommends that you adjust your insulin based on what your blood sugar will be in 30 minutes, rather than what it is right now. But instead of calculating what your future blood sugar will be in 30 minutes, they recommend that you adjust your correction factor (CF).

    This correction should be made on top of any correction for your current blood sugar as well as any carbohydrates consumed.

    Your CF is how much one unit of rapid-acting insulin (like Humalog or Novolog) will decrease your blood sugar. If you use a pump, you can see your CF in your settings. If you manage your diabetes with injections and don’t know your CF, you can ask your medical team to help you calculate it.

    Endocrine Society’s recommended correction based on Dexcom trend arrows

    Arrows showingCorrection Factor (CF)Correction dose (IU)
    2 arrows straight up<25
    25-50
    50-75
    >75
    +4.5
    +3.5
    +2.5
    +1.5
    1 arrow straight up<25
    25-50
    50-75
    >75
    +3.5
    +2.5
    +1.5
    +1
    1 arrow slightly up<25
    25-50
    50-75
    >75
    +2.5
    +1.5
    +1
    +0.5
    1 arrow to the side <25
    25-50
    50-75
    >75
    No adjustment
    No adjustment
    No adjustment
    No adjustment
    1 arrow slightly down <25
    25-50
    50-75
    >75
    -2.5
    -1.5
    -1-
    0.5
    1 arrow straight down <25
    25-50
    50-75
    >75
    -3.5
    -2.5
    -1.5
    -1
    2 arrows straight down <25
    25-50
    50-75
    >75
    -4.5
    -3.5
    -2.5
    -1.5

    Source: https://academic.oup.com/jes/article/1/12/1445/4642923

    Let’s sum it up with an example:

    I’ve just rolled out of bed in the morning, had no lows overnight, and I’m about to sit down for a meal of 20 grams of carbohydrates. My blood sugar is 120 mg/dL (6.8 mmol/l) with two arrows up. This means that I’ll have to do three calculations:

    1. First, I have to calculate the dose for my carbs. Assuming my Insulin to Carb Ratio (ICR) is 10, I’d need 2 IU of insulin to cover my 20 grams of carbs.
    2. Secondly, I’ll have to calculate my correction dose based on my current blood sugar. If my CF is 25 and my target blood sugar is 95 mg/dl (5.3 mmol/l), my correction dose is 1 IU (120-95 = 25 and 25/25 = 1 IU).
    3. Thirdly, I’d have to calculate the correction based on the arrows. Since I have two arrows up and my CF is 25 according to the recommendations, I’ll need a 3.5 IU correction.

    Adding all that up my total dose would be 2 IU + 1 IU + 3.5 IU = 6.5 IU. 

    Had my blood sugar been lower than my target or had I seen downwards arrows, I would have ended up with a lower recommended dose.

    Just to make sure that makes sense, let’s do another example:

    I again just rolled out of bed and am about to sit down for a meal of 20 grams of carbohydrates, but now my blood sugar is 120 mg/dL (6.8 mmol/l) with one arrow straight down.

    All that changed compared to the last example is the direction of the arrow, which changes calculation #3.

    Since I now have one arrow straight down and my CF is 25, according to the recommendations I’ll need a -2.5 IU correction.

    Adding all that up, my new total dose would be 2 IU + 1 IU – 2.5 IU = 0.5 IU 

    Phew, that’s a lot of math. Check out the next section on how I’d simplify it.

    My advice for using the Dexcom trend arrows

    The endocrine recommendations make complete sense to me, but it’s a lot of math! They also don’t allow you to take less than 0.5 IU in correction (which can be an issue if you’re very insulin sensitive).

    I would rather use a bolus calculator than do all that math every time I need to bolus for a meal or a correction dose. If you have a pump, you most likely have a built-in bolus calculator. If you are on multiple daily injections (MDI) like me, you’ll have to look elsewhere.

    In the past, I’ve used an app called RapidCalc for those calculations. I now use InPen, a SmartPen that sends data directly to my phone via Bluetooth and has an associated app that calculates doses and keeps track of IOB.

    The InPen app and RapidCalc basically do the same as a bolus calculator, except for actually giving me my dose (please note that the RapidCalc app is not FDA-approved).

    After finishing the base calculation in your bolus calculator, you can then manually add in the trend arrow correction based on your CF.

    Remember to react based on what you’ll be doing the next 1 to 4 hours, not on what you’re doing when you’re about to bolus.

    If you’re planning to exercise or just move more than usual (like go for a walk, shopping, cleaning, gardening, etc.) you might not need to react as aggressively as the guidelines state.

    Generally, it’s recommended that you reduce your bolus and potentially also your basal (if you use a pump) before exercise. Because regular rapid insulin is active in the body for up to 4 hours (some even see a tail up to 6 hours after injection), you need to think before you bolus.

    You can read my post about adjusting insulin for exercise for a more in-depth explanation.

    There are new ultra-fast acting insulins available now and the endocrine guidelines do not work for these. If you use Afrezza or Fiasp, please know that these insulins peak much faster and applying the calculations shown above could potentially be extremely dangerous.

    When to NOT use the CGM trend arrows

    All the publications advocating for using the trend arrows for making insulin adjustments also state that there are some situations where you should absolutely NOT use them or at least take severe precautions.

    If you plan on starting to make adjustments to your insulin dose using trend arrows, please read these precautions first.

    4-hour eating window

    The endocrine society recommends that the trend arrows are not used during the 4 hours after having a meal with a bolus. Instead, they recommend the following:

    • 2 hours post-meal – Don’t correct high blood sugars to prevent insulin stacking
    • 2-4 hours post-meal, blood sugar 150-250 mg/dL (8.3-13.9 mmol/l) with one or two arrows up – Consider using CF to adjust
    • 2-4 hours post-meal, blood sugar >250 mg/dL (13.9 mmol/l) with one or two arrows up – Confirm with a fingerstick, test for ketones (if >300 mg/dL/16.7 mmol/l), correct using injections, if after 1 hour you still see two arrows up, repeat
    • 2-4 hours post-meal, blood sugar near 150 mg/dL (8.3 mmol/l) with one arrow slightly down – Check again in 30-min
    • 2-4 hours post-meal, blood sugar near 150 mg/dL (8.3 mmol/l) with one or two arrows down – Check again in 15-min
    • 2-4 hours post-meal, blood sugar near 100 mg/dL (5.6 mmol/l) with one arrow slightly down OR one arrow down – Consider eating 15 g of carbs, recheck in 20-min. If >70 mg/dL (3.9 mmol/l) and downward arrows, confirm with a fingerstick and consider another 15 g of fast-acting carbs 
    • 2-4 hours post-meal, blood sugar near 100 mg/dL (5.6 mmol/l) with two arrows down – Follow the instructions above (f) but eat 30 g carbs

    Rapidly rising blood sugar

    If you see 2 arrows up on your receiver or app before a meal, it’s recommended that you are diligent with your pre-bolus and inject your insulin 15 to 20 min before eating.

    Rapidly decreasing blood sugar

    If you see 2 down on your receiver or app before a meal, it’s recommended that you wait and inject your insulin when you start eating or if you’re close to 150 mg/dL (8.3 mmol/l) hold off and don’t inject until you see your BGs leveling off.

    Fragile / older adults

    For fragile or older adults, the endocrine society recommends a less aggressive insulin dose adjustment to limit the risk of hypoglycemia.

    For upward rising arrows, they recommend a 50% reduction of the suggested adjustment (e.g. from 1 IU to 0.5 IU) and for downward arrows, they recommend a 50% increase in reduction (e.g. from 1 IU to 2 IU).

    Sick day management and medication considerations

    Certain medications, both prescription and OTC, can interfere with your CGM readings, and trend arrows should consequently not be used for insulin adjustments. Rather than relying completely on your CGM, accompany your CGM readings with finger sticks. 

    Always use common sense before dosing

    As with any tool in our diabetes tool kit, I’d encourage you to never just apply the recommendations blindly.

    If you have a feeling that the recommended dose might be off, sometimes relying on how well you know your body is the way to go. And although the Dexcom G5 and G6 CGMs are approved for dosing by the FDA, they can sometimes be inaccurate, so I’ll always confirming with a fingerstick before making any large dosing adjustments.



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    White Chicken Chili Recipe and Chicken Gumbo Top Wonderful Winter Soups

    By electricdiet / March 19, 2020


    Perfect Winter Soup White Chicken Chili Recipe

    My easy White Chicken Chili recipe makes a perfect one-pot dinner solution for the cold month of January. This easy chicken chili recipe always pops up high on the menu list, and nothing is more comforting than a fire in the fireplace and a warm, hearty easy chicken chili simmering on the stove. Also, I thoroughly enjoy my gas logs with my remote.  This white chicken chili recipe with a fantastic flavor has only about 10 ingredients, and they feed tons of people because soup recipes double easily. Make it easy on yourself and make it ahead of time, and remember, the longer it sits, the better it gets! Also, it is a diabetic easy chicken chili recipe making it one of my top healthy easy recipes!

    Wonderful White Chicken Chili
    Love this easy white chicken chili recipe starting with ground chicken (ground turkey may be used). A satisfying warm bowl of chili with minimal preparation and maximum taste and a definite go-to easy chicken chili recipe.

      Servings8 servings

      Ingredients

      • 1lb


        ground chicken

      • 1


        onionchopped

      • 1tsp


        garlicminced

      • 1(16-ounce) can


        white navy beansrinsed and drained

      • 2(14 1/2-ounce) can


        low-sodium fat-free chicken broth

      • 1(4-ounce) can


        green chiliesdiced

      • 2cups


        frozen corn

      • 1tsp


        ground cumin

      • 2tsp


        chili powder

      Instructions
      1. In large nonstick pot, cook chicken, onion, and garlic until chicken is done. Add remaining ingredients and bring to boil. Reduce heat and cook, covered 15 minutes, until heated through.

      Recipe Notes

      Per Serving: Calories 183 kcal, Calories from Fat 11%, Fat 2g, Saturated Fat 0g, Cholesterol 36mg, Sodium 378mg, Carbohydrates 24g, Dietary Fiber 5g, Total Sugars 4g, Protein 18g, Dietary Exchanges: 1 1/2 starch, 2 lean meat

      Easy Chicken Chili From My Arthritis Cookbook With Anti Inflammatory Recipes

      Who doesn’t like a delicious hearty, chunky chili recipe that is also simple to make and good for you!  In my arthritis cookbook, I give you an assortment of everyday recipes to help fight inflammation.  This diabetic white chili recipe packs the most flavor with the least amount of ingredients.  I keep it simple!

      Anyone can easily make my recipes and I’m about making eating healthy easy for you! Eating Well To Fight Arthritis gives you simple healthy recipe options like this white chicken chili recipe. I inspire home cooking.

      Freeze Soups for Another Quick One-Pot Meal on Cold Miserable Day

      Here’s a few freezing tips because when it comes to soups, chilies, and gumbo, remember the longer it sits, the better it gets.

      *Cool and then pour into airtight containers and leave room at the top for expansion.
      *Zip lock freezer bags are great for storage because they stack easily in the freezer.
      *Take out the night before using, thaw in the refrigerator, and reheat.

      chicken and sausage gumbo good as white chicken chili recipe

      Two Favorite Soups As Good As My Easy Chicken Chili Recipe:  Gumbo and Easy Chili

      Gumbo tops the list when we talk about soup in Louisiana and everyone loves my simple Chicken and Sausage Gumbo from my Gulf Coast Favorites cookbook. This easy gumbo recipe comes with my secret tips for the perfect healthy roux trick. My favorite easy chili recipe, my Wonderful White Chili from Eating Well to Fight Arthritis makes the perfect comfort food that pleases a variety of tastes. This chili makes the best, easy crowd pleaser recipe and perfect for entertaining at your home!  If you like this chili recipe, you’ll also enjoy my meat chili for Easy Chili from KITCHEN 101. I have tons of more easy  healthy soup recipes.

      Love these expandable Colanders To Drain Beans and Pasta

      I absolutely love these expandable colanders for several reasons. First, these colanders are easy storage and don’t take up much space. People tell me all the time they just don’t have enough room for all their kitchen gadgets so this is a great solution.

      Then, I like these colanders better than the metal one as they are lighter and easier to use. I highly recommend this colander or any expandable colanders.  Also, this colander comes in two different sizes and that’s always a help when cooking.

      Soups with Chicken: My Easy Chicken Chili and Chicken Gumbo Are Crowd Pleasers

      Doesn’t it seem there’s always extras that show up for dinner? Or, what’s better than to have leftovers for another meal or to pop in the freezer to pull out on a busy night.  I love chili recipes and this simple chicken chili recipe tastes like a long stirred chili, but easy! My friend who doesn’t like to cook just sent me a photo of my white chicken chili recipe and said that she earned bragging rights after serving the meal to her family. I can’t wait for you to try all my soups and chili recipes.  Many are diabetic-friendly but all are delicious!

      Shop my Cookbooks

      The post White Chicken Chili Recipe and Chicken Gumbo Top Wonderful Winter Soups appeared first on The Healthy Cooking Blog.



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      The Novel Adipokine Gremlin 1 Antagonizes Insulin Action and Is Increased in Type 2 Diabetes and NAFLD/NASH

      By electricdiet / March 17, 2020


      Abstract

      The BMP2/4 antagonist and novel adipokine Gremlin 1 is highly expressed in human adipose cells and increased in hypertrophic obesity. As a secreted antagonist, it inhibits the effect of BMP2/4 on adipose precursor cell commitment/differentiation. We examined mRNA levels of Gremlin 1 in key target tissues for insulin and also measured tissue and serum levels in several carefully phenotyped human cohorts. Gremlin 1 expression was high in adipose tissue, higher in visceral than in subcutaneous tissue, increased in obesity, and further increased in type 2 diabetes (T2D). A similar high expression was seen in liver biopsies, but expression was considerably lower in skeletal muscles. Serum levels were increased in obesity but most prominently in T2D. Transcriptional activation in both adipose tissue and liver as well as serum levels were strongly associated with markers of insulin resistance in vivo (euglycemic clamps and HOMA of insulin resistance), and the presence of nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH). We also found Gremlin 1 to antagonize insulin signaling and action in human primary adipocytes, skeletal muscle, and liver cells. Thus, Gremlin 1 is a novel secreted insulin antagonist and biomarker as well as a potential therapeutic target in obesity and its complications T2D and NAFLD/NASH.

      Introduction

      Obesity is the major driver of the rising prevalence of insulin resistance/type 2 diabetes (T2D) and related complications, including cardiovascular disease, nonalcoholic fatty liver disease (NAFLD), and its severe form, nonalcoholic steatohepatitis (NASH). Hypertrophic obesity with expanded adipose cells is closely associated with insulin resistance and an inflamed and dysregulated subcutaneous adipose tissue with reduced ability to store excess fat and, instead, promoting ectopic lipid accumulation in other tissues including liver and skeletal muscle (1). An attractive therapeutic approach to treat hypertrophic obesity is to promote browning of white adipose tissue to increase mitochondrial biogenesis and whole-body energy expenditure. However, there is also a need for novel insulin-sensitizing drugs to treat insulin resistance/T2D independent of effects on obesity.

      We and others have earlier demonstrated that increased adipose tissue and circulating levels of BMP4 can counteract obesity by promoting browning of white adipose tissue (1,2). However, both adipose tissue and serum levels of BMP4 are actually increased in obesity in man and in mice (35), while beige/brown adipose cell markers are reduced in obesity.

      An important reason for this is that the endogenous BMP antagonists are also increased. Human adipose tissue expresses several antagonists including Gremlin 1, Noggin, Chordin-like 1, Follistatin, and BAMBI (3) but we found the secreted BMP2/4 antagonist Gremlin 1 to be the major endogenous antagonist inhibiting BMP4-induced precursor cell differentiation and white to beige/brown adipocyte conversion (3). Furthermore, Gremlin 1 is a secreted protein, markedly increased in the adipose tissue in human hypertrophic obesity, while it is actually reduced in obese mice in which Noggin is primarily increased (3).

      The increased levels of these antagonists in obese adipose tissue reduce BMP4 signaling, precursor cell commitment, and subsequent induction of beige/brown adipogenesis (1,3). Consistent with this, we have also demonstrated that BMP4 signaling is markedly reduced in the adipose tissue in obesity despite the increased expression and secretion of BMP4 (1,3). Taken together, these observations suggest that Gremlin 1 is an interesting target in human obesity and that it may also be involved in the development of hypertrophic obesity and the obese phenotype of insulin resistance complications (i.e., T2D and NAFLD/NASH), as a marker of increased ectopic fat accumulation. NAFLD is primary characterized by accumulation of intrahepatic triacylglycerols (TGs) and is present in 75–90% of subjects with T2D (6,7). NAFLD may progress to the severe condition of NASH, characterized by advanced histological remodeling including fibrosis, lobular inflammation, hepatocellular ballooning, and risk of liver cancer.

      In this study, we measured Gremlin 1 serum levels and skeletal muscle, adipose tissue, and liver mRNA in cohorts without and with diabetes and in subjects with NAFLD/NASH. We also assessed the effect of Gremlin 1 on insulin signaling and action in these three major target tissues for insulin. Our results identify Gremlin 1 as a novel biomarker and potential therapeutic target in insulin resistance and associated complications.

      Research Design and Methods

      Study Populations

      All studies were performed in accordance with the Declaration of Helsinki. All subjects gave written informed consent before taking part in the studies.

      Cohort FDR/Control

      In this cohort, 34 nonobese subjects were studied: 17 individuals with at least one known first-degree relative (FDR) with T2D and 17 individuals without known genetic predisposition for T2D defined as no family history (control subjects). The groups were matched for sex (10 females in both groups) and BMI and had similar age (Table 1). Fasting plasma insulin and glucose levels were used to calculate insulin resistance defined as a HOMA of insulin resistance (HOMA-IR) index using the formula: HOMA-IR = (fasting plasma glucose × fasting plasma insulin)/22.5. Local subcutaneous adipose tissue biopsies were obtained from the lower abdominal wall as previously reported (3). Study protocol was approved (S655–03) by the Ethical Committee of the Sahlgrenska Academy, University of Gothenburg.

      Other Cohorts

      Paired samples of subcutaneous, omental visceral adipose tissue, and liver were collected during laparoscopic abdominal surgery as described previously (6). Adipose tissue was immediately frozen in liquid nitrogen and stored at −80°C. The study was approved by the Ethics Committee of the University of Leipzig (approval number 159–12–21052012; Leipzig, Germany). BMI was calculated by weight (kilograms) divided by square of height (meters).

      • Cohort ND/D (Table 1): in a cross-sectional study, we investigated GREMLIN 1 mRNA in paired visceral/omental and abdominal subcutaneous adipose tissue samples (n = 233; BMI >30 kg/m2). Of these, 105 individuals had normal glucose levels, and 128 had T2D.

      • Cohort GIR (Table 1): in 93 individuals (BMI 24–37 kg/m2) with normal glucose tolerance (NGT), adipose tissue GREMLIN 1 mRNA was evaluated in relation to the glucose infusion rate (GIR) in euglycemic-hyperinsulinemic clamps according to previously described procedures (6).

      • Cohort ND/D/NAFLD (Table 1): a cohort of 52 obese individuals with wide range of liver fat content and with (n = 28; BMI 34 ± 5.8 kg/m2) or without T2D (n = 23; BMI 34 ± 5.9 kg/m2) were studied. GREMLIN 1 mRNA was measured both in paired adipose tissue and liver samples. For measurement of metabolic parameters, all baseline blood samples were collected between 8 and 10 a.m. after an overnight fast and analyzed as previously described (6).

      • Cohort Nob/obND/obD (Table 1): serum Gremlin 1 levels were analyzed in 45 individuals with either NGT (n = 30) with a BMI <25 kg/m2 (n = 15) or >30 kg/m2 (n = 15) or with known T2D (n = 15).

      • Two-step bariatric surgery intervention was a cohort of 55 individuals with morbid obesity who underwent a two-step bariatric surgery approach with a sleeve gastrectomy as a first step and, after 12 ± 2 months, a Roux-en-Y gastric bypass surgery as the second step as previously reported (8).

      These different cohorts were also essentially sex neutral, with ∼70% females and 30% males, and are summarized as a flow chart in Supplementary Fig. 1.

      Diagnosis of Diabetes

      The diagnosis of T2D versus normal or impaired glucose tolerance was based on the results of a 75-g oral glucose tolerance test according to the criteria of the American Diabetes Association (9). T2D was defined by 120-min glucose ≥11.1 mmol/L or a repeated fasting plasma glucose ≥7.0 mmol/L.

      Virtually all of the patients with diabetes were treated with metformin and some, as needed, with a dipeptidyl peptidase inhibitor. Only these medications were used for diabetes treatment in these cohorts. Patients with elevated cholesterol and/or blood pressure received regular medication as required.

      Diagnosis of NAFLD/NASH

      In the human cohort for which parallel liver and adipose tissue biopsies were available, NAFLD and NASH have been determined and diagnosed histologically (using hematoxylin and eosin–stained and Masson trichrome–stained slides) following a previous proposal for grading and staging of the histological lesions detected in liver biopsies (10). In accordance, two independent and specialized liver pathologists at the University of Leipzig evaluated the histological lesions—steatosis, ballooning, and intra-acinar and portal inflammation—and summarized those in the score (11).

      Detection of Gremlin 1 in Human Serum

      Sandwich ELISA was used to measure human serum Gremlin 1 levels in the samples. Gremlin 1 was captured using an in-house–developed monoclonal antibody against Gremlin 1 (MedImmune, Gaithersburg, MD) on a 96-well half-area plate. The samples were incubated for 1 to 2 h followed by detection with rabbit polyclonal antibody (catalog number ab157576; Abcam) for 1 h. The rabbit polyclonal was detected using in-house–generated horseradish peroxidase–conjugated anti-rabbit polyclonal antibody. Gremlin 1 levels in the samples were interpolated using the standard curve generated in 50% immune-depleted serum.

      Cell-Based Experiments

      Primary Human Adipocytes

      Primary human adipocytes were isolated as previously described (12). Briefly, subcutaneous adipose tissues, obtained by needle biopsy, were digested with collagenase type II (Sigma-Aldrich, St. Louis, MO) for 60 min at 37°C in shaking water bath. The adipocytes were then filtered through a 250-μm nylon mesh and washed four times, followed by cell size measurement, RNA/protein extractions, and/or additional experimental assays. For insulin signaling and glucose uptake assessments, adipocytes were further incubated in Hank’s medium 199, pH 7.4 (Life Technologies, Carlsbad, CA) containing 4% BSA with or without 6 mmol/L glucose, respectively.

      For glucose uptake, the adipocytes were pretreated with IgG or anti–Gremlin 1 antibody (MedImmune) and/or recombinant Gremlin 1 (200 ng/mL) (R&D Systems, Inc., Minneapolis, MN) for 3 h and stimulated with 10 nmol/L insulin for 15 min before the addition of D-[U-14C] glucose (0.26 mCi/L; final concentration 0.86 μmol/L) (PerkinElmer, Waltham, MA) for additional 45 min. The glucose uptake was immediately stopped by separating the adipocytes from the medium, and incorporated radioactivity was measured in a scintillation counter.

      Primary Skeletal Muscle Cells

      Satellite cells were isolated from five donors with NGT. The cells were grown to >80% confluence in DMEM/F12 containing 10% FBS and antibiotics and further differentiated into multinuclear myotubes in differentiation medium (DMEM, Medium 199, HEPES, zinc sulfate, vitamin B12, FBS, and antibiotics) as described (13). Cells were then starved for 4 h before incubation with recombinant Gremlin 1 (50 ng/mL) and insulin (1–10 nmol/L).

      Human Hepatocytes

      Primary human hepatocytes, HiPS-Hep (Takara Bio Inc., Shiga, Japan), were cultured in hepatocyte medium (Takara Bio) according to the manufacturer’s instructions. Cells were starved 3 h before pretreatment with recombinant Gremlin 1 (50 ng/mL) and insulin (100 nmol/L).

      HepG2 liver cells (ATCC, Manassas, VA) and IHH (human hepatocyte celline) were cultured in DMEM (Lonza, Basel, Switzerland) supplemented with 10% FBS and antibiotics. To study the secretory effects of Gremlin 1, HepG2 cells were transfected with wt.Grem1.myc or trunc.Grem1.myc plasmids (expressing myc-tag fused to the COOH-terminal of human Gremlin 1 with or without the N-terminal signal peptide sequence) constructed in our laboratory. For confocal imaging, the cells were grown on glass chamber slides (Thermo Fisher Scientific) for 72 h. Cells were then washed with PBS, fixed with 4% formaldehyde, permeabilized with 0.1% Triton, blocked by 20% goat serum (1 h), and incubated with anti–myc antibody (Sigma-Aldrich) for 3 h. After washing with PBS and incubation with Alexa 488–probed secondary antibody for 1 h, cells were mounted with Vectashield mounting solution containing DAPI (Vector Laboratories, Inc). Confocal images were then collected with the Leica SP5 confocal microscope.

      To study the effect of protein tyrosine phosphatase 1B (PTP1B) inhibitor (CAS 765317–72–4; Merck Millipore, Danvers, MA), IHHs were starved and pretreated with the inhibitor (10 μmol/L) with or without recombinant Gremlin 1 (200 ng/mL) for 24 h, followed by insulin (10 nmol/L) for 10 min.

      Quantitative Real-time PCR

      mRNA was extracted from cells and tissues followed by cDNA synthesis. The gene expression was then analyzed using the QuantStudio 6 Flex TaqMan system (Applied Biosystems, Foster City, CA). Relative quantification of gene expression was normalized to 18S rRNA or HPRT1. The primers and probes were either designed or ordered commercially as predesigned TaqMan probe kits (Assay On-Demand; Applied Biosystems).

      Immunoblotting

      Western blot analysis were performed as previously described (14). The following primary antibodies were used: Gremlin 1 (MedImmune), pAktS473, AKT (Cell Signaling Technology, Danvers, MA), pY20, IRβ (Santa Cruz Biotechnology, Dallas, TX), and IRS1 (Merck Millipore).

      PTP1B Activity Assay

      PTP1B activity was assessed using the PTP activity assay kit (Millipore). Briefly, IHHs were lysed in lysis buffer lacking sodium orthovanadate. PTP1B was then immonoprecipitated using a PTP1B antibody (Millipore). The measurement of PTP1B activity was carried out using the synthetic Tyrosine Phosphopeptide (TSTEPQpYQPGENL). The phosphate release was measured at OD 650 nmol/L using the malachite green reagent provided with the kit.

      Statistical Analysis

      The experimental data are shown as means ± SD or means ± SEM. Significance is indicated in the figures as P < 0.05, P < 0.01, and P < 0.001. All statistical calculations were performed using IBM SPSS Statistics v20. Pairwise comparisons were performed using the Student t test. For multiple comparisons, one-way ANOVA with Bonferoni post hoc test or Kruskal-Wallis test was used when appropriate. To assess correlation between variables, Pearson or Spearman correlations were used as appropriate. Statistical analysis of the cohorts did not differentiate between females and males because they were all characterized by ∼70% females and 30% males.

      Data and Resource Availability

      The data set and resources generated and analyzed in this study are available from the corresponding author upon reasonable request. The suppliers of antibodies used in this study have been cited above.

      Results

      Increased Gremlin 1 in Adipose Tissue, Liver, and Serum in Insulin Resistance and T2D Independent of BMI

      To identify if transcriptional activation of Gremlin 1 is altered in insulin resistance, obesity, T2D, and NAFLD/NASH, we examined tissue mRNA in five different cohorts. In the cohort consisting of sex-, BMI-, and age-matched nonobese control subjects (BMI 24.3 ± 2.4 kg/m2, age 34 ± 9 years) and FDRs (BMI 24.9 ± 2.3 kg/m2, age 38 ± 8 years) of subjects with T2D, GREMLIN 1 mRNA was significantly higher in the subcutaneous adipose tissue of this high-risk FDR subgroup compared with the matched control group (Fig. 1A). In addition, GREMLIN 1 levels were positively correlated with percentage of body fat and insulin resistance measured as HOMA-IR (Fig. 1B and C). FDRs as a group are more insulin resistant than a BMI-matched non-FDR group.

      Figure 1
      Figure 1

      GREMLIN 1 mRNA in adipose tissue and liver and circulating levels of Gremlin 1 are increased in insulin resistance and T2D. A: Differential GREMLIN 1 mRNA in subcutaneous (SC) adipose tissue in individuals with genetic predisposition for T2D (FDR) and matched control subjects in FDR/control cohort. Correlation to body fat percentage (B) and HOMA-IR (C) in the same cohort. D: GREMLIN 1 mRNA in SC and visceral (VIS) adipose tissue in individuals with T2D and with NGT in ND/D cohort. E: GREMLIN 1 mRNA in VIS adipose tissue is inversely correlated to GIR during hyperinsulinemic-euglycemic clamps in cohort GIR. GREMLIN 1 mRNA expression in adipose tissue (F) and liver (G) in individuals with T2D and with NGT in ND/D/NAFLD cohort. Circulating levels of Gremlin 1 in lean NGT, obese NGT, and equally obese subjects with T2D in cohort Nob/NDob/obD (H) and relation to HOMA-IR (I) and HbA1c (J). All graphs display means ± SEM. Statistics were calculated using Mann-Whitney test (A), Kruskal-Wallis one-way analysis (D and H), and ANOVA with Bonferoni post hoc test (F and G). *P < 0.05; **P < 0.01; ***P < 0.001. RQ, relative quantification.

      In the cohorts consisting of subgroups without diabetes and with T2D (ND/D and ND/D/NAFLD cohorts), GREMLIN 1 mRNA was higher in visceral than in subcutaneous adipose tissue in both ND/D subgroups and increased in both tissues in T2D compared with individuals with NGT (Fig. 1D and F). Moreover, GREMLIN 1 mRNA levels in both visceral and subcutaneous adipose tissue were again negatively correlated with insulin sensitivity in individuals without diabetes (cohort GIR), measured by hyperinsulinemic-euglycemic clamps (Fig. 1E in visceral and Supplementary Fig. 2A in subcutaneous adipose tissue). We also found hepatic GREMLIN 1 mRNA to be increased in patients with T2D of the ND/D/NAFLD cohort (Fig. 1G). There was no correlation between age and GREMLIN 1 mRNA levels in either subcutaneous or visceral adipose tissue in the large ND/D cohort of 216 individuals.

      As Gremlin 1 is a secreted protein, we asked if its circulating levels are altered in insulin resistance and T2D. Current ELISAs and commercially available antibodies are not very sensitive, so we used the modified in-house ELISA with a noncommercially available antibody as described (3). We analyzed high-quality serum from the Nob/obND/obD cohorts consisting of nonobese NGT, obese NGT, and equally obese subjects with T2D. Serum Gremlin 1 tended to be higher in the obese than in the nonobese subjects, but it was further significantly increased in equally obese individuals with T2D (Fig. 1H). This observation is consistent with our results of increased adipose tissue and liver GREMLIN 1 mRNA expression in patients with T2D. In addition, circulating levels of Gremlin 1 were positively and significantly correlated with HOMA-IR (Fig. 1I) as well as with glycosylated hemoglobin (HbA1c) (Fig. 1J). Collectively, these results provide evidence that GREMLIN 1 mRNA levels in adipose tissue and liver as well as circulating serum levels are associated with both degree of insulin resistance and obesity and also increased in established T2D irrespective of degree of obesity. However, in contrast to adipose tissue and liver GREMLIN 1, skeletal muscle expression was not increased in biopsies from individuals with T2D compared with individuals without diabetes (data not shown).

      Secreted Gremlin 1 Impairs Insulin Signaling and Action in Adipose, Skeletal Muscle, and Liver Cells but Not Through PTP1B Activation

      Because both adipose tissue and liver GREMLIN 1 mRNA and serum Gremlin 1 levels were strongly associated with degree of insulin resistance and its associated consequences, we assessed the possible effect of Gremlin 1 on insulin signaling in key human target cells.

      We characterized the direct effect of Gremlin 1 protein on insulin signaling in human primary adipocytes, human induced pluripotent stem cell–derived hepatocytes, HepG2, IHHs, and primary human differentiated skeletal muscle cells. Short-term incubations (2–4 h) with recombinant human Gremlin 1 significantly impaired insulin signaling measured as phosphorylation of pS473-AKT in all human cells. We also examined the effect on tyrosine phosphorylation in human adipose cells, and the pY-IRβ subunit was also reduced (Fig. 2AC). We further examined the effect of Gremlin 1 protein on both basal and insulin-stimulated glucose uptake in adipocytes isolated from subcutaneous adipose tissue biopsies of 11 subjects (BMI 22–37 kg/m2). Recombinant Gremlin 1 significantly reduced glucose uptake in response to insulin, and this effect was neutralized by anti–Gremlin 1 antibody (Fig. 2D). In fact, the addition of anti–Gremlin 1 alone significantly improved insulin-stimulated glucose uptake, and this sensitizing effect was related to the initial insulin response (i.e., the lower the incremental insulin response, the larger the positive effect of anti–Gremlin 1 alone on insulin-stimulated glucose uptake) (Fig. 2E). This was further validated by the positive correlation between HOMA-IR, as a marker of donor insulin sensitivity, and the incremental effect of the anti–Gremlin 1 antibody (Supplementary Fig. 3A). These data suggest that Gremlin 1 secretion by adipose cells, which we have also previously demonstrated (3), is directly antagonistic to the effect of insulin and contributing to insulin resistance in the cells. If the effect on glucose uptake is also secondary to the insulin-antagonizing effect or indicates additional effects of Gremlin 1 on GLUT4 protein recycling remains to be studied.

      Figure 2
      Figure 2

      Gremlin 1 inhibits insulin signaling and action. Representative immunoblot analysis with quantifications showing that incubation with recombinant Gremlin 1 (recGREM1) inhibits insulin-induced tyrosine phospho–insulin receptor (pTyr-IR) (A) and serine 473 phospho-AKT (pSer473-AKT) in isolated primary human adipocytes (n = 6) and in primary human differentiated skeletal muscle cells (hSMCs) (n = 4) (B) and human induced pluripotent stem cell (iPS)-derived hepatocytes (n = 3) (C). D: Incubation with recGREM1 decreased insulin-stimulated glucose uptake in isolated primary human adipocytes (n = 11). Presence of anti–Gremlin 1 increased insulin-stimulated glucose uptake and antagonized the effect of recGREM1 compared with adipocytes treated with control IgG (n = 9). E: Correlation between the increase in insulin-stimulated glucose uptake in adipocytes treated with anti–Gremlin 1 antibody and the degree of initial insulin glucose uptake in same cells treated with control IgG. Graphs display means ± SD. Statistics were calculated using the Student t test (AC) and ANOVA with Bonferoni post hoc test (D). *P < 0.05; **P < 0.01.

      To further verify the insulin-antagonistic effect of Gremlin 1 as a secreted molecule, we expressed a nonsecreted truncated and a secreted full-length Gremlin 1 in human HepG2 hepatocytes. We found that only the secreted, and not the nonsecreted, form inhibited insulin signaling (Fig. 3A). This inhibitory effect of secreted Gremlin 1 was again prevented by anti–Gremlin 1 antibody (Supplementary Fig. 2B). Additionally, full-length Gremlin 1 was primarily localized in the cytoplasm prior to its secretion, while the truncated form was only detected in the cell nuclei (Fig. 3B). Nuclear localization of Gremlin 1 has previously been reported by several studies suggesting other functional roles for the nuclear Gremlin 1 (12).

      Figure 3
      Figure 3

      Insulin signaling is inhibited by secreted Gremlin 1 and not a truncated nonsecreted form of Gremlin 1. A: Representative immunoblot analysis showing that insulin-stimulated serine 473 phospho-AKT (pSer473-AKT) is inhibited in HepG2 hepatocytes transfected with wild-type Gremlin 1 (WT.GREM1.myc) but not in cells transfected with a truncated Gremlin 1 that is not secreted (mut.GREM1.myc) (n = 3). B: Cellular localization of WT.GREM1.myc and mut.GREM1.myc in HepG2 hepatocytes stained by Myc antibody (green) and DAPI (blue) and imaged with a confocal microscope. **P < 0.01.

      PTP1B is a well-known inhibitor of insulin signaling and has been a potential therapeutic target for treating T2D (15,16). Considering the reduced tyrosine phosphorylation of the insulin receptor, we asked if Gremlin 1 interferes with PTP1B signaling. IHHs were incubated with a PTP1B inhibitor and/or recombinant Gremlin 1 followed by insulin stimulation. The inhibition of PTP1B by its inhibitor enhanced insulin signaling as expected, and this was seen whether or not Gremlin 1 was present (Fig. 4A). Furthermore, we did not see any direct effect of Gremlin 1 on PTP1B activity (Fig. 4B). Thus, these data do not support that the inhibitory effect of Gremlin 1 on insulin signaling is due to increased PTPB1 activity.

      Figure 4
      Figure 4

      Gremlin 1 and PTP1B activity. A: Representative immunoblot analysis showing that inhibition of PTP1B (PTP1B inhib) increases insulin-stimulated AKT phosphorylation and reverses the effect of recombinant Gremlin 1 (recGREM1) in IHHs (n = 4). B: PTP1B activity in IHHs treated with recGremlin 1, PTP1B inhibitor, or insulin. Graphs display means ± SD. Statistics were calculated using Student t test. *P < 0.05. Tot, total.

      In sum, these data show that secreted and circulating Gremlin 1, probably emanating from the adipose tissue to a large extent in vivo, is insulin antagonistic in all three major human target cells. However, the mechanisms for this inhibitory effect are currently unclear.

      To further validate the adipose tissue as an important source of serum Gremlin 1 levels, we investigated if circulating Gremlin 1 was related to serum adiponectin levels and found a significant negative correlation (R = −0.28; P < 0.01). Negative correlations with adiponectin levels were also seen with adipose tissue GREMLIN 1 mRNA levels in cohort ND/D (subcutaneous tissue, R = −0.23, P < 0.01; visceral tissue, R = −0.35, P < 0.001) and in cohort ND/D/NAFLD (subcutaneous tissue, R = −0.24, P < 0.05; visceral tissue, R = −0.31, P < 0.05).

      The importance of the adipose tissue as a source for Gremlin 1 was further documented in the bariatric surgery investigation cohort of 55 individuals with obesity who underwent the two-step bariatric surgery approach, losing ∼50 kg body weight. GREMLIN 1 mRNA expression, both in subcutaneous and visceral adipose tissues, was significantly reduced (Supplementary Fig. 3B). Thus, the increased Gremlin 1 levels in obesity and T2D are likely to be associated with the increased adipose tissue.

      Increased Adipose Tissue, Liver, and Serum Gremlin 1 Levels Are Associated With Markers of NAFLD/NASH

      As tissue Gremlin 1 expression and function are associated with obesity and insulin resistance/T2D, we next examined if it also was related to other insulin resistance/obesity-linked complications such as NAFLD/NASH. To accomplish this, liver biopsies from 52 obese individuals with or without T2D (cohort ND/D/NAFLD) were carefully characterized using the NAFLD/NASH scoring system as defined by international guidelines (17).

      We found transcriptional activation of GREMLIN 1 in the subcutaneous and visceral adipose tissue and the liver to be positively associated with NAFLD activity scores, including degree of steatosis, ballooning, as well as inflammation and fibrosis scores (Table 2). In addition, they were negatively associated with other markers of insulin sensitivity, including serum adiponectin levels, and positively with liver fat content, circulating free fatty acids, TGs, low HDL cholesterol, and the cytokine interleukin-6 (i.e., key markers of the metabolic syndrome) (Table 2). Of interest, we also observed significantly higher liver GREMLIN 1 mRNA in patients with T2D with biopsy-proven NASH compared with patients with T2D with only NAFLD. This increase was not seen in the NGT individuals (Fig. 5A).

      Table 2

      Levels of GREMLIN 1 in visceral and subcutaneous adipose tissue and liver (cohort ND/D/NAFLD)

      Figure 5
      Figure 5

      Gremlin 1 levels and NAFLD/NASH. A: GREMLIN 1 mRNA in liver biopsies of individuals with NAFLD or NASH and in individuals with or without T2D in cohort ND/D/NAFLD. Circulating levels of Gremlin 1 correlate with CRP (B), ALAT (C), and ASAT (D). Graphs display means ± SEM. Statistics were calculated using Student t test. ***P < 0.001. RQ, relative quantification.

      Consistent with these findings, we found circulating levels of Gremlin 1 (Nob/obND/obD) to be significantly, and positively, correlated with serum levels of C-reactive protein (CRP), alanine aminotransferase (ALAT), and aspartate aminotransferase (ASAT), which are all markers of NALFD/NASH (Fig. 5B–D).

      Taken together, these data show that Gremlin 1 is a secreted and insulin-antagonistic protein, particularly highly expressed in the visceral adipose tissue, increased in both adipose tissue and liver in obesity and T2D, and related to the degree of whole-body insulin resistance and NAFLD/NASH. These novel findings make Gremlin 1 an interesting potential therapeutic target in obesity and insulin resistance, T2D, and NAFLD/NASH.

      Discussion

      BMP4 is a critical regulator of human adipose precursor cell commitment and differentiation (reviewed in Hoffmann et al. [1]), and maintained BMP signaling promotes browning of the differentiated white adipose cells in both murine models and human cells (1,2,5), while brown adipose cells become beige and less oxidative (1,5). Because Gremlin 1 is a secreted protein by human adipose cells and a key endogenous regulator of BMP signaling in these cells (3), we wanted to examine its presence in other metabolic tissues and the relation to obesity and its complications.

      In this study, we investigated in several well-characterized large cohorts if Gremlin 1 serum levels and transcriptional activation in the subcutaneous and visceral adipose tissue, liver, and skeletal muscle also are related to the obesity phenotype and associated complications of T2D and NAFLD/NASH. We show that GREMLIN 1 mRNA levels are particularly high in visceral, compared with subcutaneous, adipose tissue and that insulin sensitivity measured with both euglycemic clamps and the clinical HOMA index showed strong negative correlations between adipose tissue expression in both regions and insulin sensitivity. This is consistent with our previous finding that Gremlin 1 is a secreted protein and markedly increased in subcutaneous adipose tissue with expanded adipose cells (3) (i.e., in hypertrophic obesity), which is related to insulin resistance and other obesity-associated complications (reviewed in Hoffmann et al. [1]). Because we previously found Gremlin 1 to antagonize the early induction of adipogenesis, it is not unexpected that it is also increased in the adipose tissue in hypertrophic, insulin-resistant obesity. Although our current data cannot prove causality in terms of increased adipose tissue Gremlin 1 directly leading to the development of hypertrophic, insulin-resistant obesity, we also cannot exclude it. Apart from our previous experimental studies (3), additional support for this possibility is our current finding that GREMLIN 1 mRNA levels also were increased in lean and fairly young FDR individuals. FDRs are characterized by insulin resistance, an impaired subcutaneous adipogenesis, and development of inappropriately expanded adipose cells (i.e., hypertrophic obesity) (18,19). In addition, recent large studies have demonstrated that individuals with genetic markers of insulin resistance are characterized by reduced subcutaneous adipose tissue, which, even if cell size was not measured, implies an association with impaired adipogenesis (20).

      We have tried to investigate the effects of increased Gremlin 1 serum levels in a murine in vivo model by expressing it in the liver of mature mice with AAV8–Gremlin 1 (R.K.S., J.M. Hoffmann, S.H., S. Heasman, C.C., I. Elias, F. Bosch, J.B., A.H., U.S., unpublished observations). However, mature mouse models are not responsive to increased Gremlin 1 targeting the liver with gene therapy because it accumulated in the liver cells and was apparently not secreted. Also, we did not see any increase in liver inflammation or fibrosis in this model. In addition, intraperitoneal injections were essentially without any effects on phenotype, and Gremlin 1 protein did not antagonize the effect of insulin in murine cells like those that we find in this study in human cells. Thus, mature mice are not good models to characterize effects of Gremlin 1 in vivo.

      Consistent with our current in vivo findings of increased Gremlin 1 levels in insulin resistance, we also find Gremlin 1 protein to directly antagonize insulin signaling in three key target cells for insulin. The inhibitory effect of recombinant and cell-secreted Gremlin 1 and the sensitizing effect of anti–Gremlin 1 on insulin-induced glucose uptake show that Gremlin 1 can attenuate both insulin signaling and insulin-stimulated glucose transport, although these may be partly linked. We also found that the insulin-sensitizing effect of anti–Gremlin 1 is related to degree of cellular insulin responsiveness. Thus, the efficacy of anti–Gremlin 1 treatment is more pronounced in insulin-resistant cells, supporting a direct “tonic” inhibitory effect of Gremlin 1 secreted by the adipose cells. This concept is also supported by our finding of a positive correlation between the magnitude of the insulin-sensitizing effect of anti–Gremlin 1 and HOMA-IR (Supplementary Fig. 3A). GREMLIN 1 mRNA levels were similar in both adipose tissue and liver, but considering the large adipose depot, it is probably a major source of circulating Gremlin 1. This is supported by the reduced GREMLIN 1 levels in the adipose tissue after substantial weight reduction with bariatric surgery. Furthermore, GREMLIN 1 was particularly high in visceral adipose tissue, which is drained by the portal circulation, thus targeting the liver with consequences for insulin resistance and other factors enhancing NAFLD/NASH development. Expanded visceral adipose depot is associated with insulin resistance and exhibits strong associations with future risk of developing cardiometabolic complications (6,21,22).

      We also aimed at identifying mechanisms underlying the insulin-antagonistic effect of Gremlin 1. PTP1B, which is a key phosphatase and inhibitor of insulin signaling, has been extensively studied in vitro and in vivo and is considered as a potential therapeutic target for T2D (2325). Although inhibiting PTP1B nonspecifically reduced the antagonizing effect of Gremlin 1 on insulin signaling, PTP1B activity was not increased in Gremlin 1–treated cells. Thus, our data do not provide any support for PTP1B as a mediator of the reduced insulin signaling by Gremlin 1.

      Gremlin 1 is a member of the DAN family of protein antagonists, primarily inhibiting BMP2 and BMP4, but has also been found to have other non-BMP binding partners such as the Slit protein in monocytes and, unexpectedly, also vascular endothelial growth factor receptor 2 with effects on angiogenesis (26). However, vascular endothelial growth factor receptor 2 as a binding partner could not be confirmed in a recent extensive study (27). It is also unlikely that the inhibitory effects of Gremlin 1 on insulin signaling, which are seen very rapidly (within a few hours), can be accounted for by its inhibitory effects on adipogenesis. This effect of Gremlin 1 is primarily due to inhibiting the early adipogenic commitment effects of BMP4 on the progenitor cells (3). However, direct or indirect effects of cell-endogenous or -exogenous circulating BMP4 on cellular insulin signaling and action cannot be excluded. In our previous study in mice treated with BMP4 gene therapy targeting the liver to increase circulating BMP4 levels, we found increased whole-body insulin sensitivity independent of any change in body weight (1). This has been further examined with similar positive effects on insulin sensitivity in obese mice (28). Thus, we currently favor the concept that Gremlin 1 inhibits insulin signaling and action by antagonizing the positive effects of BMP4, but this needs to be further substantiated.

      In summary, our results identify Gremlin 1 as a prominent adipokine and cell-secreted antagonist of insulin signaling in human adipocytes, skeletal muscle cells, and liver cells. We also found Gremlin 1 serum and tissue levels to be significantly increased in insulin resistance and in individuals with T2D and NAFLD/NASH independent of degree of obesity. Thus, Gremlin 1 is an attractive novel therapeutic target in insulin resistance and associated complications of T2D and NAFLD/NASH.

      Article Information

      Acknowledgments. The authors thank Dr. Ruchi Gupta (MedImmune, Gaithersburg, MD) for developing the serum Gremlin 1 ELISA technique.

      Funding. Financial support for these studies was provided by the Medical Research Council, the Novo Nordisk Foundation, Torsten Söderberg Foundation, Swedish Diabetes Foundation, Swedish Agreement on Medical Education and Research contribution, and MedImmune (Gaithersburg, MD).

      Duality of Interest. No potential conflicts of interest relevant to this article were reported.

      Author Contributions. S.H., A.H., M.B., and U.S. designed the studies. S.H., R.K.S., A.H., L.B., and M.B. performed experiments. S.H. and U.S. wrote the paper with input from all authors. All authors have approved the manuscript. U.S. is the guarantor of this work and, as such, had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

      • Received July 16, 2019.
      • Accepted December 8, 2019.



      Sell Unused Diabetic Strips Today!

      Type 2 diabetes: Symptoms, Diagnosis, Causes & Treatment

      By electricdiet / March 13, 2020


      There are approximately 30 million Americans living with type 2 diabetes, and another 84 million with prediabetes, most of whom are completely unaware their blood sugars are high.  

      Over the last 50 years, the Centers for Disease Control & Prevention reports that the number of Americans with diabetes has doubled, pointing to obesity as one of the biggest contributors.

      Let’s take a closer look at the symptoms, diagnosis, causes, and treatment options for type 2 diabetes.

      Everything you need to know about type 2 diabetes

      What is type 2 diabetes?

      Type 2 diabetes is a metabolic disorder characterized by high blood sugar levels that are not the result of an autoimmune disease (type 1 diabetes), or pregnancy (gestational diabetes), MODY (maturity onset diabetes of the young), or LADA (latent autoimmune diabetes in adults).

      For people with type 2 diabetes, there is likely an issue in either their body’s ability to produce normal amounts of insulin or their body’s ability to respond properly to the insulin they do produce.

      This is the difference between “insulin deficiency” and “insulin resistance.”

      Causes: insulin deficiency or insulin resistance?

      “It is now well recognized that 2 factors are involved: impaired [beta-cell] function and insulin resistance,” explains John E. Gerich, MD, in research published by the Mayo Clinic Proceedings

      Insulin resistance is when your body does not respond enough to normal amounts of insulin, which means your body has to produce more and more in an effort to achieve normal blood sugar levels. This can cause gradual weight gain in addition to being the result of weight gain.

      Eventually, the body can’t keep up with the increasing demand for more insulin. This is when blood sugar levels start rising and a diagnosis of prediabetes or type 2 diabetes can be made.

      Insulin deficiency is the result of  “beta-cell dysfunction,” according to the American Diabetes Association’s journal, Diabetes Care

      Beta-cell dysfunction is when the body is struggling to produce healthy beta-cells. Beta-cells are produced in the pancreas and responsible for secreting insulin. Without enough healthy beta-cells, a person cannot produce enough insulin to manage blood sugar levels.

      This gradually worsening beta-cell dysfunction is increased blood sugar levels which leads to further weight gain, making the battle against diabetes a difficult struggle for the person living with it.

      Obesity doesn’t always lead to type 2 diabetes

      There is a significant portion of people who are overweight or obese who do not have elevated blood sugar levels, but the two conditions do often overlap.

      “Excess weight is an established risk factor for type 2 diabetes, yet most obese individuals do not develop type 2 diabetes,” explains research from the Journal of Clinical Endocrinology and Metabolism

      Obesity and type 2 diabetes can both be much more complicated than eating too much and exercising too little.

      Factors that increase your risk

      The CDC lists the following as factors that increase your risk of type 2 diabetes:

      • Have prediabetes
      • Are overweight
      • Are 45 years or older
      • Have a parent, brother, or sister with type 2 diabetes
      • Are physically active less than 3 times a week
      • Have ever had gestational diabetes (diabetes during pregnancy) or given birth to a baby who weighed more than 9 pounds
      • Are African American, Hispanic/Latino American, American Indian, or Alaska Native (some Pacific Islanders and Asian Americans are also at higher risk)

      Symptoms of type 2 diabetes

      The symptoms of type 2 diabetes can be very subtle and easy to ignore for years — until blood sugar levels are high enough to catch your attention. 

      The higher your blood sugar levels rise — or when they spike suddenly after high-carbohydrate meals — the more noticeable these symptoms will be. 

      If you suspect you may be struggling with some of these symptoms, contact your primary healthcare team and ask to have your blood glucose levels and your HbA1c tested. 

      Diagnosing type 2 diabetes

      The diagnosis of type 2 diabetes results from two very simple tests:

      • Testing your blood glucose level
      • Testing your HbA1c

      Here are the blood sugar ranges for a person without diabetes, with prediabetes, and with type 2 diabetes  according to the American Diabetes Association:

      NormalPrediabetesType 2 Diabetes
      Fasting blood sugar70 to 90 mg/dL100 to 125 mg/dL125 mg/dL or higher
      2 hours after a meal90 to 110 mg/dL140 to 200 mg/dL200 mg/dL or higher
      HbA1c (%)Less than 5.75.7 to 6.4 6.5 or higher

      Your doctor can perform both of these tests in the office or you can purchase test kits yourself in most pharmacies. 

      Long-term complications of high blood sugar levels

      Ignoring type 2 diabetes can lead to the development of many complications, all of which result from long-term high blood sugar levels.

      These complications are largely preventable by working with your healthcare team to improve your blood sugars and your overall health.

      High blood sugars are serious and can severely impact your health in the short-term and long-term. Talk to your healthcare team immediately if you believe your blood sugars are consistently running higher than your goal range.

      Treatment options for type 2 diabetes

      Whether your type 2 diabetes is the result of insulin deficiency or insulin resistance, the treatment paths are typically the same, keeping in mind that some patients with type 2 diabetes will likely need support from medications regardless of losing weight and eating a healthy diet.

      Lifestyle changes

      Before or in addition to taking medications, these 6 lifestyle habits can have a tremendous impact on your blood sugars.

      • Improve your diet: focus on healthy non-processed food and be aware of your calorie intake.
      • Exercise daily: aim for 150 minutes per week of physical activity.
      • Lose weight: even losing 5 to 10 pounds makes a difference.
      • Get more sleep and get treatment for sleep apnea, if you have it!
      • Drink less alcohol: limit to 2 to 3 drinks a couple times per week.
      • Quit smoking: the impact of nicotine on insulin resistance is huge!

      Some people can avoid using medication by making changes in their lifestyle habits, but this isn’t true for everyone. 

      These lifestyle changes are what anyone — including those without diabetes — are advised to adopt for optimal health. It’s important to remember that you don’t need to adopt a “perfect” diet 100 percent of the time, or engage in wildly intense exercise for it to all make a difference. 

      Aim for the 90/10 or 80/20 idea. 80 percent of the time, you make smart choices around food. And 20 percent of the time, you have room for less-than-perfect indulgences. The goal is to develop habits you can sustain long-term, and very few of us can sustain perfection day-in and day-out!

      Regardless if these lifestyle habits enable you to prevent or reduce your medications, they will help your overall blood sugar management and improve your overall health!

      Bariatric surgery (weight-loss surgery)

      Bariatric surgery options continue to evolve and improve, and for some this may be a worthwhile option. It’s important to remember that it’s not an easy short-cut. 

      Instead, weight-loss surgery requires certain qualifications to be a candidate, and maintaining weight-loss after surgery only works if you continue to make improvements in your overall lifestyle habits around food, exercise, alcohol, and cigarettes.

      That being said, more and more research is finding that the largest benefit for people of bariatric surgery for people with type 2 diabetes is the “resurfacing” of the duodenum’s mucosal lining in your small intestines. 

      The cells in your intestines responsible for signaling insulin production can be damaged by long-term exposure to high-sugar, high-fat diets and result in severe insulin resistance. By resurfacing the lining here, new healthy cells regrow and are able to properly signal insulin production again.

      Again, it’s not a magic fix, but it offers tremendous potential for the right candidates.

      Medication

      Today’s pharmaceutical market is flooded with different options for treating type 2 diabetes. They all work in different ways, and depending on your body and how you react, it may take a bit of experimenting with your doctor’s help to determine the most effective medication for you.

      Biguanides

      This class includes the #1 most commonly prescribed diabetes drug across the globe — metformin (Glucophage). Taken orally usually twice per day, these drugs lower your blood sugars by reducing your liver’s production of glycogen which is converted into glucose and normally raises blood sugar levels. 

      Metformin, in particular, can also increase the amount of glucose your muscles absorb and make you more sensitive to insulin. 

      The most common side-effect of metformin is diarrhea. It can be significant for many patients, but there are a few steps you can take to reduce this. The first is to always take metformin when you have food in your stomach. The second is to ask your doctor to consider prescribing the “extended-release” version which has shown to be much gentler on the stomach.

      Brands include:

      • Fortamet
      • Glucophage
      • Glumetza
      • Riomet

      Sulfonylureas

      One of the first drugs a doctor will likely prescribe to help you lower blood sugars, sulfonylureas help your pancreas produce more insulin.

      Taken orally, sulfonylureas can lead to weight gain, hunger, and mild-to-moderate upset stomach.

      Brands include:

      • DiaBeta
      • Glynase 
      • Micronase Amaryl 
      • Diabinese
      • Glucotrol 
      • Tolinase 
      • Tolbutamide

      Bile Acid Sequestrants (BASs)

      This class of drugs was actually first designed to help lower cholesterol levels, but they also help lower blood sugar levels. While it’s well-understood that BASs lower cholesterol by actually removing LDL cholesterol from the body, it’s not actually clear why it’s effective in lowering blood sugar levels. 

      Taken orally, a unique feature is that BASs are not actually absorbed into the bloodstream which means they are safe for people with liver problems.

      They can result in a little bit of gas or constipation. You may consider taking a gentle laxative along with BASs, like psyllium husk capsules.

      Brands include:

      • Questran
      • Prevalite
      • Colestid
      • Welchol

      Alpha-glucosidase inhibitors

      This class of drugs is taken orally and lowers your blood sugar by actually preventing the breakdown and normal digestion of starches, including bread, potatoes, pasta, and corn. While it doesn’t prevent the breakdown of sugar, it can significantly slow down the rate of digestion which means it will lessen the spike in your blood sugar after eating. 

      These drugs should be taken after you have at least a few bites of food in your stomach to lessen the most common side-effects of gas and diarrhea. 

      Brands include:

      • Precose
      • Glucobay
      • Glyset
      • Volix

      Dopamine-2 Agonists

      Originally designed to treat high cholesterol and taken orally, these drugs have a particularly complex impact on the body’s digestion of fats and dopamine production. The result is increased sensitivity insulin, improved glucose tolerance, and more stable post-meal blood sugar levels.

      Brands include:

      • Clycoset
      • Parlodel
      • Permax
      • Dostinex

      DPP-4 inhibitors

      One of the newer medication options taken orally, DPP-4 inhibitors work to actually block the production of the enzyme DPP-4 in your body. This enzyme destroys a group of digestive hormones called “incretins” which are essential for blood sugar and appetite regulation after eating. 

      They also help your body make better use of a compound already produced in the body called GLP-1. GLP-1 stands for glucagon-like peptide-1 and it plays a major role in blood sugar regulation, appetite, and digestion.

      By taking a DPP-4, your body’s own source of GLP-1 is able to stay in the body longer and lowers blood sugar levels when they’re too high.

      DPP-4 has also proven to lower cholesterol levels.

      Brands include:

      • Nesina
      • Tradjenta
      • Onglyza
      • Januvia

      GLP-1 receptors (or incretins)

      Taken via injection, this class of drugs is generally prescribed only if a patient hasn’t seen improvements in their blood sugar with oral medication options. 

      GLP-1 receptors work to lower your blood sugar levels in a few ways. First, it increases your pancreas’ insulin production in response to rising blood sugar levels. It also slows down the speed of “gastric emptying” which means the glucose from the food digesting in your stomach is going to enter your bloodstream at a slower rate. 

      Brands Include:

      • Byetta
      • Bydureon
      • Victoza
      • Januvia
      • Janumet

      Meglitinides

      Meglitinides are taken orally and stimulate your pancreas’ natural production of insulin. 

      This class of drugs can cause low blood sugars. Frequent low blood sugars should be discussed with your healthcare team in order to make adjustments in your dosage.

      Brands include:

      SGLT2 Inhibitors

      This class of drugs works by excreting excess glucose through your urine. Taken orally, they cannot be used by patients with kidney issues because the kidneys play a major role in how this drug works. 

      The unique side-effects of this drug include frequent urination, excess thirst, and an increased risk of urinary tract infections or yeast infections. These side-effects are the result of how the drug works. If your kidneys are working to excrete excess glucose, your body will need more water to help make that process possible. That will lead you to urinate more often.

      That excess glucose in the urine can then lead to yeast infections because sugar feeds the growth of yeast.

      Brands include:

      Thiazolidinediones (TZDs)

      This class of drugs, taken orally, works to lower your blood sugar levels in two ways. The first is through helping your body create new fat cells that lower your blood sugar by making better use of the insulin and glucose in your bloodstream. 

      TZDs also reduce the amount of glycogen (eventually converted to glucose) produced by your liver.

      Rezulin is one type of TZD that was removed from the market because it was creating serious liver problems in a very small group of people. The remaining TZDs on the market have not shown signs of creating liver problems. 

      That being said, today’s available TZDs have proven to increase the risk of heart failure in some patients, and possibly the risk of heart attacks. Otherwise, they are known for having few side-effects and are very effective at reducing A1c levels. 

      Brands include:

      • Avandia
      • ACTOS
      • Rezulin (removed from the market)

      Insulin

      For some people with type 2 diabetes, insulin is a necessary and extremely helpful approach to improving your blood sugars. This is especially true for people with severe insulin resistance.

      Insulin is one of the most powerful hormones in the human body, and taking it via injection (with a pen or syringe) comes with a great deal of education and responsibility

      Taking insulin to manage your blood sugar levels can help you prevent the many complications associated with high blood sugar levels, but it can be an overwhelming and scary thing to accept.

      Work with your healthcare to make sure your insulin doses are meeting your body’s current needs, and let them know if you’re struggling to embrace this part of your diabetes treatment plan.

      Suggested next posts:

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