作者
Dawn R Sessions-Bresnahan, Kevin L Schauer, Adam L Heuberger, Elaine M Carnevale
发表日期
2015/12/2
期刊
Biology of reproduction
卷号
94
期号
1
页码范围
Article 15, 1-12
出版商
Society for the Study of Reproduction, Inc.
简介
Obesity is associated with disrupted reproductive cycles in mares, but the impact of obesity on follicles and oocytes has received minimal attention. We investigated the impact of obesity on 1) expression of selected genes in follicle cells for carbohydrate metabolism, inflammatory cytokines, lipid homeostasis, endoplasmic reticulum stress, and mitochondrial function; 2) follicular fluid content of metabolic hormones and metabolites; and 3) lipid fingerprint of oocytes. Mares (9–13 yr) were classified as control (n = 8, normal weight, body condition score [BCS] 5.1, 10.4% body fat) or obese (n = 9, BCS 7.9, 16.2% body fat). Gene expression from granulosa cells (GC) and cumulus cells (CC) was evaluated by RT-PCR. Serum and follicular fluid were evaluated for insulin, leptin, adiponectin, and metabolite profiling. Oocyte lipid fingerprints were acquired using matrix-assisted laser desorption/ionization mass …
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