Diabetes News

Archive - 11 - 2013

Newly Identified Brown Fat Stem Cells Hold Possibilities for Treating Diabetes, Obesity

Posted by dlife on Fri, Nov 22, 13, 01:48 PM 0 Comment

November 21, 2013 (Newswise) -- Obesity and diabetes have become a global epidemic leading to severe cardiovascular disease. Researchers at the University of Utah believe their recent identification of brown fat stem cells in adult humans may lead to new treatments for heart and endocrine disorders, according to a new study published in the peer-reviewed journal Stem Cells. The study was led by Amit N. Patel, M.D. M.S., director of Clinical Regenerative Medicine and Tissue Engineering and associate professor in the Division of Cardiothoracic Surgery at the University of Utah School of Medicine. Prior to Patel's study, it was thought that brown fat stem cells did not exist in adults. Children have large amounts of brown fat that is highly metabolically active, which allows them to eat large amounts of food and not gain weight. Patel notes, adults generally have an abundance of white fat in their bodies, which leads to weight gain and cardiovascular disease but this is not seen in brown fat. As people age the amount of white fat increases and brown fat decreases which contributes to diabetes and high cholesterol. "If you have more brown fat, you weigh less, you're metabolically efficient, and you have fewer instances of diabetes and high cholesterol. The unique identification of human brown fat stem cells in the chest of patients aged from 28 to 84 years is profound. We were able to isolate the human stem cells, culture and grow them, and implant them into a pre-human model which has demonstrated positive effects on glucose levels," said Patel. The new discovery of finding brown fat stem cells may help in identifying potential drugs that may increase the body's own ability to make brown fat or find novel ways to directly implant the brown fat stem cells into patients. The current study will be presented November 22nd at the Annual Meeting of the International Federation for Adipose Therapeutics and Science (iFATS) in
New York City. The study was sponsored in part by BioRestorative Therapies, Inc. (Jupiter, Florida.)

Flavonoid Intake Inversely Linked to Type 2 Diabetes

Posted by dlife on Fri, Nov 22, 13, 01:46 PM 0 Comment

November 21, 2013 (HealthDay News) -- Flavonoid intake is inversely associated with the risk of type 2 diabetes, according to a large European study published online Oct. 15 in Diabetes Care. Raul Zamora-Ros, Ph.D., from the MRC Epidemiology Unit in Cambridge, U.K., and colleagues examined the correlation between dietary flavonoid and lignan intakes and the risk of type 2 diabetes development. Data were used from the European Prospective Investigation into Cancer and Nutrition-InterAct case-cohort study involving 12,403 incident cases of type 2 diabetes, and a stratified sub-cohort of 16,145 participants from among 340,234 participants in eight European countries. Country-specific validated dietary questionnaires were used at baseline. The researchers observed a trend for an inverse association between total flavonoid intake and type 2 diabetes in multivariable models (hazard ratio [HR] for the highest versus the lowest quintile, 0.90; P value trend = 0.040), but not for lignans (HR, 0.88; P value trend = 0.119). A significantly reduced risk of diabetes was seen for flavonols (HR, 0.81; P value trend = 0.020) and flavanols (HR, 0.82; P value trend = 0.012), including flavan-3-ol monomers (HR, 0.73; P value trend = 0.029). "In conclusion, this large case-cohort study conducted in eight European countries supports a role for dietary intake of flavonoids in the prevention of type 2 diabetes in men and women," the authors write. "These results highlight the potential protective effect of eating a diet rich in flavonoids (a dietary pattern based on plant-based foods) on type 2 diabetes risk."

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