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obesity and epigenetics

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2 papers 0 to 25 followers
https://www.readbyqxmd.com/read/27528697/cell-biology-of-fat-storage
#1
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Paul Cohen, Bruce M Spiegelman
The worldwide epidemic of obesity and type 2 diabetes has greatly increased interest in the biology and physiology of adipose tissues. Adipose (fat) cells are specialized for the storage of energy in the form of triglycerides, but research in the last few decades has shown that fat cells also play a critical role in sensing and responding to changes in systemic energy balance. White fat cells secrete important hormone-like molecules such as leptin, adiponectin, and adipsin to influence processes such as food intake, insulin sensitivity, and insulin secretion...
August 15, 2016: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/26669700/obesity-and-bariatric-surgery-drive-epigenetic-variation-of-spermatozoa-in-humans
#2
Ida Donkin, Soetkin Versteyhe, Lars R Ingerslev, Kui Qian, Mie Mechta, Loa Nordkap, Brynjulf Mortensen, Emil Vincent R Appel, Niels Jørgensen, Viggo B Kristiansen, Torben Hansen, Christopher T Workman, Juleen R Zierath, Romain Barrès
Obesity is a heritable disorder, with children of obese fathers at higher risk of developing obesity. Environmental factors epigenetically influence somatic tissues, but the contribution of these factors to the establishment of epigenetic patterns in human gametes is unknown. Here, we hypothesized that weight loss remodels the epigenetic signature of spermatozoa in human obesity. Comprehensive profiling of the epigenome of sperm from lean and obese men showed similar histone positioning, but small non-coding RNA expression and DNA methylation patterns were markedly different...
February 9, 2016: Cell Metabolism
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