نتایج جستجو برای: ucp1 mrna
تعداد نتایج: 154080 فیلتر نتایج به سال:
Nonshivering thermogenesis induced in brown adipose tissue (BAT) during high-fat feeding is mediated through uncoupling protein 1 (UCP1). UCP2 is a recently identified homologue found in many tissues. To determine the role of UCP1 and UCP2 in thermoregulation and energy balance, we investigated the long-term effect of high-fat feeding on mRNA levels in mice at two different ambient temperatures...
Coulter, Ann Allen, Christie M. Bearden, Xiaotuan Liu, Robert A. Koza, and Leslie P. Kozak. Dietary fat interacts with QTLs controlling induction of Pgc-1 and Ucp1 during conversion of white to brown fat. Physiol Genomics 14: 139–147, 2003. First published May 13, 2003; 10.1152/physiolgenomics.00057.2003.—To identify novel regulatory factors controlling induction of the brown adipocyte-specific...
We investigated the involvement of basal sympathetic tone in brown adipose tissue (BAT) recruitment and gene expression profile induced by PPARγ activation. Innervated and surgically denervated BAT pads of rats treated or not with rosiglitazone (15 mg•kg•day, 7 days) were evaluated for weight, triacylglycerol and DNA content, mitochondrial mass and gene expression. Rosiglitazone induced BAT rec...
BACKGROUND The aim of the present study was to test the hypotheses that 1) a single exercise bout increases UCP1 mRNA in both inguinal (i)WAT and epididymal (e)WAT, 2) UCP1 expression and responsiveness to exercise are different in iWAT and eWAT, 3) PGC-1α determines the basal levels of UCP1 and PRDM16 in WAT and 4) exercise and exercise training regulate UCP1 and PRDM16 expression in WAT in a ...
Capsiate is a nonpungent capsaicin analog, a recently identified principle of the nonpungent red pepper cultivar CH-19 Sweet. In the present study, we report that 2-wk treatment of capsiate increased metabolic rate and promoted fat oxidation at rest, suggesting that capsiate may prevent obesity. To explain these effects, at least in part, we examined uncoupling proteins (UCPs) and thyroid hormo...
Uncoupling protein 1 (Ucp1) is the key component of β-adrenergically controlled nonshivering thermogenesis in brown adipocytes. This process combusts stored and nutrient energy as heat. Cold exposure not only activates Ucp1-mediated thermogenesis to maintain normothermia but also results in adaptive thermogenesis, i.e., the recruitment of thermogenic capacity in brown adipose tissue. As a hallm...
Deposition of excess body fat occurs when energy intake chronically exceeds energy expenditure. In ob/ob mice, the absence of leptin affects both components of the energy balance equation, and the mice become morbidly obese after weaning. Treatment of ob/ob mice with exogenous leptin reduces body weight by decreasing food intake and stimulating energy utilization, but even when saline- and lept...
Brown adipose tissue uncoupling protein-1 (UCP1) plays a major role in the control of energy balance in rodents. It has long been thought, however, that there is no physiologically relevant UCP1 expression in adult humans. In this study we show, using an original approach consisting of sorting cells from various tissues and differentiating them in an adipogenic medium, that a stationary populat...
اطلاعات دربارهی غلظت و تنظیم آیریزین تحت شرایط فیزیولوژیکی مختلف، کم است. هجده سر موش، 12 هفته غذای پرچرب و 6 سر غذای استاندارد (غیرچاق) مصرف کردند. سپس گروه غیرچاق و 6 سر موش چاق (چاق پایه) کشته و دوازده سر موش باقیمانده به گروهای چاق تمرین و چاق کنترل تقسیم شدند. گروه تمرینی 14 هفته، هر هفته 5 روز با شدت بالا روی نوارگردان دویدند. نمونهها 48 ساعت پس از آخرین جلسهی تمرینی گرفته شد. غلظت آی...
The objective of this study was to determine whether variation in energy expenditure created by selection on heat loss is mediated by uncoupling protein-1 (UCP1) in brown adipose tissue. Divergent selection for heat loss developed lines of mice with high (MH) and low (ML) maintenance energy expenditure. Concentration of UCP1 mRNA in brown adipose tissue (BAT) was 93% greater in ML than in MH mi...
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