Project description:We report the transcriptomes (polyadenylated mRNAs over 200bp) of animals overfed through intragastric tubes either in the overfed state (OIO) or 24 hours after cessation of overfeeding (OIOneg). We also report transcriptomes of weight-matched mice either fed (ALO, or fasted 24 hours (ALOneg).
Project description:The adaptive mechanisms in response to excess energy supply are still poorly known in humans. Our aims were to define metabolic responses and changes in gene expression in adipose tissue of healthy volunteers during fat overfeeding. Healthy lean and overweight subjects were submitted to a high fat diet during 56 days. Adipose tissue biopsies were taken at Day 0, Day 14 and Day 56.
Project description:The adaptive mechanisms in response to excess energy supply are still poorly known in humans. Our aims were to define metabolic responses and changes in gene expression in adipose tissue of healthy volunteers during fat overfeeding.
Project description:White adipose tissue is a central place to energy storage and a major endocrine organ. However, adipose molecular mechanisms have been poorly studied during prolonged fasting. To fill this gap, the aim of this study was to decipher proteomic regulations in rat adipose tissue during phase 2 (lipid mobilization) and phase 3 (protein catabolism) of prolonged fasting compared to the fed state. Specific responses reflecting adipose tissue inflammation, increased fibrinolysis and a possible protein catabolism-related energy saving mechanism were recorded during phase 3. Differences between internal and subcutaneous adipose tissues were essentially related to lipid metabolism, the response to oxidative stress and energy production. These data thus provide a molecular basis of adipose tissue responses according to the fasting stage.
Project description:Maternal overfeeding and/or restriction may have effect on the metabolic and epigenetic programming of offspring's adipose tissue. The study tested the potential of postnatal metformin teatment to reverse these changes using a swine animal model.
Project description:The aim of this study was to identify genes expressed selectively in brown adipose tissue as compared to white adipose tissue from the same animals. This analysis provides a gene set that is brown and white adipose selective. Keywords: tissue comparison from mice
Project description:Animals that are growth restricted in utero may show rapid postnatal growth that ultimately results in adult obesity. Macrosomic animals at birth typically remain large and are also obese as adults. Our goal was to examine the differences between animals that reach obesity in different ways. We also aimed to examine gene expression in animals that start out lean and stay lean compared to those that start out lean and become fat. We used microarrays to detail gene expression in adipose tissue.