Tag: Type 2 diabetes

Categories : Metabolic DisordersTags :

In Type 2 Diabetics, Toxic Lipids and a Beneficial One Surge at Certain Times

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Credit: Cell Reports Medicine (2023).

While sugar is most frequently blamed in the development of type 2 diabetes, a better understanding of the role of fats is also essential. By analysing the blood profiles of dozens of people suffering from diabetes or pre-diabetes, or who have had their pancreas partially removed, researchers at the University of Geneva (UNIGE) and Geneva University Hospitals (HUG) have made two major discoveries.

Firstly, the lipid composition of blood and adipose tissues fluctuates during the day, and is altered in a day-time dependent manner in diabetics, who have higher levels of toxic lipids. In addition, one type of lipid, lysoPI, is capable of boosting insulin secretion when the beta cells that normally produce it fail. These results, published in the journals Cell Reports Medicine and Diabetes, may have important implications for the treatment of diabetic patients.

The role of lipids in the physiological and pathological processes of human metabolism is gradually becoming clearer, particularly in type 2 diabetes, one of the most widespread serious metabolic disorders. Thanks to cutting-edge tools, in particular mass spectrometry, researchers are now able to simultaneously measure the levels of several hundred different types of lipids, each with its own specific characteristics and beneficial or harmful effects on our metabolism.

‘‘Identifying which lipids are most present in type 2 diabetics could provide a basis for a wide range of interventions: early detection, prevention, potential therapeutic targets or personalised recommendations – the possibilities are immense,’’ says Charna Dibner, a professor in the Department of Surgery and a specialist in circadian rhythms in metabolic disorders, . ‘‘This is why we carried out a detailed analysis of the blood profiles of patients recruited in four European countries and confirmed some of our results on a mouse model of the disease.’’

Dibner led the studies along with Pierre Maechler, a professor in the Department of Cell Physiology and Metabolism, at the UNIGE Faculty of Medicine, and members of the Diabetes Faculty Centre.

Chronobiology to better identify diabetes

The team carried out a ‘‘lipidomic’’ analysis of two groups of patients in order to establish the profile, over a 24-hour cycle, of multiple lipids present in the blood and adipose tissues. ‘‘The differences between the lipid profiles of type 2 diabetics and people without diabetes are particularly pronounced in the early morning, when there is an increase in certain toxic lipids,’’ explains Dibner. ‘‘Why? We don’t know yet. But this could be a marker of the severity of diabetes and paves the way for personalised care according to each patient’s specific chronotype.”

And implications go beyond diabetes: if samples are taken at very different times of the day, the results can be distorted and give contradictory results. ‘‘It’s the same thing in the clinic: an examination carried out in the morning or evening, or a treatment taken at different times, can have an impact on diagnosis and even on the effectiveness of treatments.’’

A crutch for beta cells

Charna Dibner and Pierre Maechler extended their lipidomic analyses to include not only people with type 2 diabetes but also a mouse model of pre-diabetes and patients who had lost around half their insulin-producing beta cells after a surgery. ‘‘We discovered that a type of lipid, lysoPIs, increases when there is a sharp decrease in functional β cells, even before the onset of clinical symptoms of diabetes.’’

The scientists then administered lysoPI to diabetic mice and observed an increase in insulin production. ‘‘The same phenomenon occurred in vitro, on pancreatic cells from diabetic patients,’’ adds Pierre Maechler. ‘‘The lysoPIs therefore have the capacity to reinforce insulin secretion by acting as a crutch when the number of beta cells decreases or when these cells malfunction. Yet, certain foods, such as legumes, naturally contain lysoPI precursors.’’

By bringing to light the unsuspected role of lysoPIs, researchers will be able to explore new avenues opened by their discoveries. The development of dietary supplements or even molecules specific to lysoPI receptors could be an interesting strategy for controlling diabetes, as could taking better account of the chronobiological profiles of patients. Diabetes is a complex disease that calls for much more personalised management than is currently the case.

Source: University of Geneva

Categories : Metabolic DisordersTags :

Review Shows that Insulin can be Kept at Room Temperature for Longer

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Novolog insulin pen. Photo by Dennis Klicker on Unsplash

A new Cochrane review has found that insulin can be kept at room temperature for months without losing potency, offering hope to people living with diabetes in regions with limited access to healthcare or stable powered refrigeration. This affects millions of people living in low- and middle-income countries, particularly in rural areas, as well as people whose lives have been disrupted by conflict or natural disasters.

Insulin is an essential medicine for people with diabetes and current guidance states that before use it must be kept refrigerated to preserve its effectiveness. For millions of people with diabetes living in low- and middle-income countries, however, the harsh reality is that electricity and refrigeration are luxuries that are unavailable to them. Vulnerable populations in war-torn areas, disaster-prone regions, and climate crisis-affected areas, including those enduring extreme heat, also need solutions that don’t rely on powered fridges.

The new Cochrane review summarises results of different studies investigating what happens to insulin when stored outside of fridges, including previously unpublished data from manufacturers. The review found that it is possible to store unopened vials and cartridges of specific types of human insulin at temperatures of up to 25°C for a maximum of six months, and up to 37°C for a maximum of two months, without any clinically relevant loss of insulin activity. Data from one study showed no loss of insulin activity for specific insulin types when stored in oscillating ambient temperatures of between 25°C and 37°C for up to three months. This fluctuation resembles the day-night temperature cycles experienced in tropical countries.

The research team, led by Bernd Richter from the Institute of General Practice, Medical Faculty of the Heinrich-Heine-University in Düsseldorf, Germany, conducted comprehensive research to investigate insulin stability under various storage conditions. The review analysed a total of seventeen studies, including laboratory investigations of insulin vials, cartridges/pens, and prefilled syringes, demonstrating consistent insulin potency at temperatures ranging from 4°C to 37°C, with no clinically relevant loss of insulin activity.

Bernd stressed the significance of this research, particularly for people living with type 1 diabetes, where “insulin is a lifeline, as their very lives depend on it. While type 2 diabetes presents its challenges, type 1 diabetes necessitates insulin for survival. This underscores the critical need for clear guidance for people with diabetes in critical life situations, which many individuals lack from official sources.

“Our study opens up new possibilities for individuals living in challenging environments, where access to refrigeration is limited. By understanding the thermal stability of insulin and exploring innovative storage solutions, we can make a significant impact on the lives of those who depend on insulin for their well-being.”

These findings can help communities facing challenges in securing constant cold storage of insulin. They provide reassurance that alternatives to powered refrigeration of insulin are possible without compromising the stability of this essential medicine. It suggests that if reliable refrigeration is not possible, room temperature can be lowered using simple cooling devices such as clay pots for insulin storage.

The researchers have also identified uncertainties for future research to address. There remains a need to better understand insulin effectiveness following storage under varying conditions. Further research is also needed on mixed insulin, influence of motion for example when insulin pumps are used, contamination in opened vials and cartridges, and studies on cold environmental conditions.

Source: Cochrane Reviews

Categories : Metabolic DisordersTags :

Added Salt Linked to Increased Risk of Type 2 Diabetes

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Those at risk for Type 2 diabetes may already know to avoid sugar, but new research suggests they may want to skip the salt as well.

A new study from Tulane University published in Mayo Clinic Proceedings found that frequently adding salt to foods was associated with an increased risk of developing Type 2 diabetes.

The study surveyed more than 400 000 adults registered in the UK Biobank about their salt intake. Over a median of 11.8 years of follow-up, more than 13 000 cases of Type 2 diabetes developed among participants. Compared to those who “never” or “rarely” used salt, participants who “sometimes,” “usually,” or “always” added salt had a respective 13%, 20%, and 39% higher risk of developing Type 2 diabetes.

“We already know that limiting salt can reduce the risk of cardiovascular diseases and hypertension, but this study shows for the first time that taking the saltshaker off the table can help prevent Type 2 diabetes as well,” said lead author Dr. Lu Qi, HCA Regents Distinguished Chair and professor at the Tulane University School of Public Health and Tropical Medicine.

Further research is needed to determine why high salt intake could be linked to a higher risk of Type 2 diabetes. However, Qi believes salt encourages people to eat larger portions, increasing the chances of developing risk factors such as obesity and inflammation. The study found an association between frequent consumption of salt and higher BMI and waist-to-hip ratio.

Qi said the next step is to conduct a clinical trial controlling the amount of salt participants consume and observing the effects.

Still, Qi said it’s never too early to start searching for low-sodium ways to season your favorite foods.

“It’s not a difficult change to make, but it could have a tremendous impact on your health,” Qi said.

Source: Tulane University

Categories : Metabolic DisordersTags :

Study Shows Intermittent Fasting Effective in Type 2 Diabetes

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Time-restricted eating, also known as intermittent fasting, can help people with Type 2 diabetes lose weight and control their blood sugar levels, according to a new study published in JAMA Network Open from researchers at the University of Illinois Chicago.

Participants who ate only during an eight-hour window between noon and 8 pm each day actually lost more weight over six months than participants who were instructed to reduce their calorie intake by 25%. Both groups had similar reductions in long-term blood sugar levels, as measured by a test of haemoglobin A1C, which shows blood sugar levels over the past three months.

The study was conducted at UIC and enrolled 75 participants into three groups: those who followed the time-restricted eating rules, those who reduced calories and a control group. Participants’ weight, waist circumference, blood sugar levels and other health indicators were measured over the course of six months.

Senior author Krista Varady said that participants in the time-restricted eating group had an easier time following the regime than those in the calorie-reducing group. The researchers believe this is partly because patients with diabetes are generally told to cut back on calories by their doctors as a first line of defence, so many of these participants likely had already tried, and struggled with, that form of dieting. And while the participants in the time-restricted eating group were not instructed to reduce their calorie intake, they ended up doing so by eating within a fixed window.

“Our study shows that time-restricted eating might be an effective alternative to traditional dieting for people who can’t do the traditional diet or are burned out on it,” said Varady, a professor of kinesiology and nutrition. “For many people trying to lose weight, counting time is easier than counting calories.”

There were no serious adverse events reported during the six-month study. Occurrences of hypoglycaemia and hyperglycaemia did not differ between the diet groups and control groups.

Just over half the participants in the study were Black and another 40% were Hispanic. This is notable as diabetes is particularly prevalent among those groups, so having studies that document the success of time-restricted eating for them is particularly useful, the researchers said.

The study was small and should be followed up by larger ones, said Varady, who is also a member of the University of Illinois Cancer Center. While it acts as a proof of concept to show that time-restricted eating is safe for those with Type 2 diabetes, Varady said people with diabetes should consult their doctors before starting this sort of diet.

Source: University of Illinois Chicago

Categories : Diet and Nutrition Metabolic DisordersTags :

Red Meat Consumption Linked to Increased Type 2 Diabetes Risk

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“Meat’s back off the menu, boys”

Photo by Jose Ignacio Pompe on Unsplash

People who eat just two servings of red meat per week may have an increased risk of developing type 2 diabetes compared to people who eat fewer servings, and the risk increases with greater consumption, according to a new study in The American Journal of Clinical Nutrition. However, substituting plant or diary protein for red meat was associated with reduced risk of type 2 diabetes.

“Our findings strongly support dietary guidelines that recommend limiting the consumption of red meat, and this applies to both processed and unprocessed red meat,” said first author Xiao Gu, postdoctoral research fellow in the Department of Nutrition at Harvard T.H. Chan School of Public Health.

While previous studies have found a link between red meat consumption and type 2 diabetes risk, this study, which analysed a large number of type 2 diabetes cases among participants being followed for an extended period of years, adds a greater level of certainty about the association.

Type 2 diabetes rates are increasing rapidly in the US and worldwide. This is concerning not only because the disease is a serious burden, but it also is a major risk factor for cardiovascular and kidney disease, cancer, and dementia.

For this study, the researchers analysed health data from 216 695 participants from the Nurses’ Health Study (NHS), NHS II, and Health Professionals Follow-up Study (HPFS). Diet was assessed with food frequency questionnaires every two to four years, for up to 36 years. During this time, more than 22 000 participants developed type 2 diabetes.

The researchers found that consumption of red meat, including processed and unprocessed red meat, was strongly associated with increased risk of type 2 diabetes. Participants who ate the most red meat had a 62% higher risk of developing type 2 diabetes compared to those who ate the least. Every additional daily serving of processed red meat was associated with a 46% greater risk of developing type 2 diabetes and every additional daily serving of unprocessed red meat was associated with a 24% greater risk.

The researchers also estimated the potential effects of substituting one daily serving of red meat for another protein source. They found that substituting a serving of nuts and legumes was associated with a 30% lower risk of type 2 diabetes, and substituting a serving of dairy products was associated with a 22% lower risk.

“Given our findings and previous work by others, a limit of about one serving per week of red meat would be reasonable for people wishing to optimise their health and wellbeing,” said senior author Walter Willett, professor of epidemiology and nutrition.

In addition to health benefits, swapping red meat for healthy plant protein sources would help reduce greenhouse gas emissions and climate change, and provide other environmental benefits, according to the researchers.

Source: Harvard T.H. Chan School of Public Health

Categories : Gender Metabolic DisordersTags :

Study Suggests Lowering Type 2 Diabetes Diagnosis Threshold in Women under 50

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New research published in the journal Diabetes Therapy suggests that the diagnosis threshold for type 2 diabetes (T2D) should be lowered in women aged under 50 years, since natural blood loss through menstruation could be affecting their blood sugar management.

Analysis of the national diabetes audit results has shown that women of younger age with type 2 diabetes mellitus (T2D) seem to have a higher mortality rate than men. The underlying mechanisms remain unclear. However, it is known that women are on average diagnosed with T2D at a later age than men. In this new study, the authors investigated whether a contributing factor to this late diagnosis may be a sex difference in the levels of glycated haemoglobin (HbA1c) due to haemoglobin replacement linked to menstrual blood loss.

This mechanism behind this could be shorter erythrocyte (red blood cell) survival which results in shorter exposure of haemoglobin to glucose compared with individuals who do not menstruate. Given that the diagnosis of T2D is also based on HbA1c, the use of the same reference range irrespective of age and sex, when a slightly lower point for T2D for premenopausal women may be appropriate, could potentially lead to under diagnosis of T2D in women and missed opportunities for intervention.

The study, by Dr Adrian Heald, Salford Royal Hospital, UK, and colleagues, examined HbA1c testing across seven UK laboratory sites (representing 5% of UK population). They conducted an exploratory analysis in two cohorts: cohort 1 was from one laboratory tested between 2012 and 2019 (146 907 participants). They assessed the sex and age differences of HbA1c in individuals who underwent single testing only, that had not been diagnosed with diabetes and had an HbA1c result of equal to or less than 48mmol/mol (the cutoff for diagnosing diabetes). The process was replicated in cohort 2 results from six laboratories with individuals tested between 2019 and 2021 (total people included 938 678). The possible national impact was estimated by extrapolating findings based on the Office of National Statistics (ONS) England population data and National Diabetes Audit published T2D prevalence and related excess mortality.

At age 50 years, average HbA1c levels in women lag by approximately five years compared to men. The data also show women aged under 50 years old had an HbA1c distribution that was lower than that of men by an average of 1.6mmol/mol (4.7% of the overall mean) while the difference in the distribution of HbA1c for individuals aged 50 years and over was less pronounced.  Further analysis showed that, at HbA1c of 48mmol/mol, 50% fewer women could be diagnosed with T2D than men under the age of 50, whilst only 20% fewer women could be diagnosed with T2D than men over or equal to the age of 50. These findings were consistent with those in cohort 2.

Based on these observations, the authors estimated the effects of lowering the threshold for diagnosis of diabetes from HbA1c (48mmol/mol) by 4.2% to 46mmol/mol for women under the age of 50. This analysis showed that an additional 35 345 currently undiagnosed women in England would be reclassified as being diagnosed with T2D (17% more than the current 208 000 recorded women with T2D aged under 50 years). Lifestyle changes and treatment for diabetes would then be initiated for these women enabling improvement in health outcomes over both the short and longer term.

The authors also highlight that sex and gender difference in adverse cardiovascular risk factors are known to be present prior to the development of T2D. Once diagnosed, the prevalence of atherosclerotic cardiovascular disease is twice as high in patients with diabetes mellitus compared to those without diabetes mellitus. For women, diabetes mellitus is a stronger risk factor for cardiovascular disease than for men: women with diabetes aged 35–59 years have the highest relative cardiovascular death risk across all age and sex groups.

Furthermore, there is disparity in cardiovascular risk factor management between men and women, including in high-risk groups such as women with T2D.  Women are less likely than men to receive treatment and cardiovascular risk reduction interventions that are recommended by international guidelines on diabetes. In addition, concordance with medication or prescription treating cardiovascular risk factors is lower in women than men with T2D, with less use of statins, aspirin and beta blockers. The authors say taken together, these factors mean “timely diagnosis of type 2 diabetes and initiation of preventative treatment has the potential to improve cardiovascular risk profile over lifetime and facilitate longer life quality and expectancy in women. Our findings provide evidence that the HbA1c threshold for this group should be re-evaluated.”

Source: EurekAlert!

Categories : Ageing Metabolic DisordersTags :

In Animal Studies, Metformin Extends Lifespan

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Researchers have discovered that the common antidiabetic drug metformin not only lowers blood sugar levels but has revealed to extend lifespan in C. Elegans, an animal model that shares similar metabolic systems with humans and are often used to model human diseases.

This study, led by investigators at Massachusetts General Hospital (MGH), reveals that metformin promotes longevity by stimulating the body’s production of ether lipids, a major structural component of cell membranes.

The findings, which are published in eLife, suggest that boosting production of ether lipids in humans may support healthy aging and reduce the impact of aging-related diseases.

To identify the genes required to enable lifespan extension in response to metformin and its sister drug phenformin (drugs called biguanides), the scientists silenced individual genes in the roundworm Caenorhabditis elegans (which shares over 80% of its proteins with humans and has an average lifespan of about two weeks) and examined what happens to the altered worms after exposure to the medications.

The experiments reveal that genes that increase production of ether lipids are required to extend lifespan in response to the biguanides. Inactivation of the genes that encode for these enzymes completely prevented the longevity-promoting effects of biguanides. Importantly, inactivation of these genes prevented lifespan extension in a variety of situations that are also known to promote longevity, including dietary restriction.

The team also found that increasing ether lipid synthesis alone (by overexpressing a single, key ether lipid biosynthetic enzyme called fard-1) was sufficient to extend C. elegans’ lifespan, orchestrating a metabolic stress defense response through a factor called SKN-1, which is the worm counterpart to the mammalian protein Nrf. This response altered metabolism to promote a longer lifespan.

“Our study implicates promotion of ether lipid biosynthesis as a novel therapeutic target to promote healthy aging. This suggests that dietary or pharmacologic intervention to promote ether lipid synthesis might one day represent a strategy to treat aging and aging-related diseases,” says senior author Alexander A. Soukas, MD, PhD, an Associate Professor at Harvard Medical School.

“Because our studies focused solely on interventions in C. elegans, further studies in mammalian models (such as human cells and mice), epidemiological observation, and rigorous clinical trials are required to determine the viability of promoting ether lipid synthesis to promote human health-span and lifespan.”

Source: Massachusetts General Hospital

Categories : Metabolic DisordersTags :

Kombucha may Lower Fasting Blood Glucose in Type 2 Diabetes, Study Suggests

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People with type 2 diabetes who drank the fermented tea drink kombucha for four weeks had lower fasting blood glucose levels compared to when they consumed a similar-tasting placebo beverage, according to results reported in Frontiers in Nutrition. Though only a pilot 12-person feasibility trial, the finding suggests a dietary intervention that could help lower blood sugar levels in people with diabetes and also establishes the basis for a larger trial to confirm and expand upon these results.

Kombucha is a tea fermented with bacteria and yeasts and was consumed as early as 200BCE in China, but it has only recently become popular elsewhere. Its popularity has been bolstered by anecdotal claims of improved immunity and energy and reductions in food cravings and inflammation, but proof of these benefits has been limited. Researchers at Georgetown University’s School of Health, the University of Nebraska-Lincoln and MedStar Health conducted a clinical trial investigating its effects in diabetes.

“Some laboratory and rodent studies of kombucha have shown promise and one small study in people without diabetes showed kombucha lowered blood sugar, but to our knowledge this is the first clinical trial examining effects of kombucha in people with diabetes,” says study author Dan Merenstein, M.D., professor of Human Sciences in Georgetown’s School of Health and professor of family medicine at Georgetown University School of Medicine. “A lot more research needs to be done but this is very promising.”

Merenstein continued, “A strength of our trial was that we didn’t tell people what to eat because we used a crossover design that limited the effects of any variability in a person’s diet.”

The crossover design had one group of people drinking about eight ounces of kombucha or placebo beverage daily for four weeks and then after a two-month period to ‘wash out’ the biological effects of the beverages, the kombucha and placebo were swapped between groups with another four weeks of drinking the beverages.

Kombucha appeared to lower average fasting blood glucose levels after four weeks from 164 to 116mg/dL while the difference after four weeks with the placebo was not statistically significant. Guidelines from the American Diabetes Association recommended blood sugar levels before meals should be between 70–130mg/dL.

The researchers also looked at the makeup of fermenting micro-organisms in kombucha to determine which ingredients might be the most active. They found that the beverage was mainly comprised of lactic acid bacteria, acetic acid bacteria, and a form of yeast called Dekkera, with each microbe present in about equal measure; the finding was confirmed with RNA gene sequencing.

“Different studies of different brands of kombucha by different manufacturers reveal slightly different microbial mixtures and abundances,” says Robert Hutkins, PhD, University of Nebraska-Lincoln and the study’s senior author. “However, the major bacteria and yeasts are highly reproducible and likely to be functionally similar between brands and batches, which was reassuring for our trial.”

The researchers hope that larger studies will prove kombucha’s protective effects.

Source: Georgetown University Medical Center

Categories : Genetics Metabolic DisordersTags :

Abdominal Fat Accumulation may not be as Great a Diabetes Risk as Previously Thought

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Conventional wisdom holds that abdominal fat accumulation increases the risk for type 2 diabetes. But surprising new findings from the University of Virginia School of Medicine suggest that naturally occurring genetic variations in our genes can lead some people to store fat at the waist but also protect them from diabetes.

The unexpected discovery, which is published in eLife, provides a more nuanced view of the role of obesity in diabetes and related health conditions. It also could pave the way for more personalised medicine, such as prioritising weight loss for patients whose genes put them at increased risk but place less emphasis on it for patients with protective gene variants, the researchers say.

“There is a growing body of evidence for metabolically healthy obesity. In this condition, people who would normally be at risk for cardiovascular diseases and diabetes because they are obese are actually protected from adverse effects of their obesity. In our study, we found a genetic link that may explain how this occurs in certain individuals,” said researcher Mete Civelek, PhD, of UVA’s Center for Public Health Genomics. “Understanding various forms of obesity is important to tailor treatments for individuals who are at high risk for adverse effects of obesity.”

As medicine grows more sophisticated, understanding the role of naturally occurring gene variations will play an important role in ensuring patients get the best, most tailored treatments. The new work by Civelek and his team, for example, indicates that variants can simultaneously predispose some people to store fat at the abdomen, thought to put them at increased risk for metabolic syndrome, while also protecting them from type 2 diabetes. (Metabolic syndrome raises the risk for diabetes, stroke and other serious health issues.)

One of the metrics doctors use to determine if a patient has metabolic syndrome is abdominal obesity. This is often calculated by comparing the patient’s waist and hip measurements. But Civelek’s research suggest that, for at least some patients, it may not be that simple, with doctors using genetic testing to guide patients to good health.

“We found that among the hundreds of regions in our genomes which increase our propensity to accumulate excess fat in our abdomens, there are five which have an unexpected role,” said Yonathan Aberra, the lead author of the study and a PhD candidate at UVA’s Department of Biomedical Engineering, a joint program of the School of Medicine and School of Engineering. “To our surprise, these five regions decrease an individual’s risk for type 2 diabetes.”

In addition to producing surprising findings, Civelek’s research provides important new tools for his fellow researchers seeking to understand the complexities of gene variations. The sophisticated approach Civelek and his collaborators developed to identify the relevant variants and their potential effects will be useful for future research into metabolic syndrome and other conditions.

The tools could also prove invaluable in the development of new and better treatments for metabolic syndrome, the scientists say.

“We now need to expand our studies in more women and people from different genetic ancestries to identify even more genes that underlie the metabolically health obesity phenomenon,” Civelek said. “We plan to build on our findings to perform more experiments to potentially identify a therapeutic target.”

Source: University of Virginia Health System

Categories : Cardiovascular Disease Metabolic DisordersTags :

SGLT-2 Inhibitors Reduce HF Hospitalisation Risk in Type 2 Diabetes

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A study published in Annals of Internal Medicine has suggested that the new sodium-glucose co-transporter 2 inhibitors (SGLT-2i) may be viable as a first-line treatment in patients with type 2 diabetes (T2D), with reduced odds of hospitalisation for heart failure compared to those receiving metformin.

In cardiovascular outcome trials among adults with T2D, SGLT-2i have shown therapeutic promise, including reduced risk of hospitalisation for heart failure compared to placebo. However, SGLT-2i have mainly been evaluated as a second-line treatment, as metformin is generally given as a first-line, antidiabetic treatment.

In a new study, researchers from the Brigham compared cardiovascular outcomes among adults with T2D who initiated first-line treatment with either metformin or SGLT-2i. For the study, 8613 patients treated with SGLT-2i were matched to 17 226 patients treated with metformin. The authors found that patients receiving SGLT-2i showed a similar risk for myocardial infarction, stroke, and all-cause mortality, and a lower risk for hospitalization for heart failure compared with patients who received metformin. The risk for adverse events was similar except for an increased risk for genital infections compared with those receiving metformin.

“Our results suggest that SGLT-2i may be considered as first-line treatment for patients with T2D and cardiovascular disease or who are at increased risk for cardiovascular events,” said lead author HoJin Shin, BPharm, PhD, of the Division of Pharmacoepidemiology and Pharmacoeconomics. “However, more evidence from randomised clinical trials or observational studies will help us to identify patients who would benefit most from using SGLT-2i as first-line type 2 diabetes treatment.”

Source: EurekAlert!