نتایج جستجو برای: fat cell lipolysis
تعداد نتایج: 1789792 فیلتر نتایج به سال:
When energy is needed, white adipose tissue (WAT) provides fatty acids (FAs) for use in peripheral tissues via stimulation of fat cell lipolysis. FAs have been postulated to play a critical role in the development of obesity-induced insulin resistance, a major risk factor for diabetes and cardiovascular disease. However, whether and how chronic inhibition of fat mobilization from WAT modulates ...
Five adrenoceptor (AR) subtypes (Pi, P2, 03> oc2 and oti), are involved in the control of white and brown fat cell function. A number of metabolic events are controlled by the adrenergic system in fat cells. The stimulatory effect of catecholamines on lipolysis and metabolism is mainly connected to increments in cAMP levels, cAMP protein kinase activation and phosphorylation of various target p...
We have found natural products exhibiting lipolysis-promoting activity in subcutaneous adipocytes, which are less sensitive to hormones than visceral adipocytes. The activities and a action mechanisms of a novel plant extract of Cirsium oligophyllum (CE) were investigated in isolated adipocytes from rat subcutaneous fat, and its fat-reducing effects by peroral administration and topical applica...
The purpose of the present study was to determine the effects of an exercise training programme in high-fat-fed rats on in vitro lipolysis in a visceral (mesenteric) and a non-visceral fat depot (retroperitoneal) and its relationship to perilipin content. Two groups of female rats were fed a high-fat diet (42 % as energy) for 8 weeks, one remaining sedentary (Sed) and the other being exercise t...
This study investigated the effects of chronic in vivo AMP-kinase activation with 5-aminoimidazole-4-carboxamide-1-β-d-ribofuranoside (AICAR) on lipolysis in subcutaneous inguinal, epididymal, and retroperitoneal fat pads. Male Wistar rats received daily single intraperitoneal injections of either saline or AICAR (0.7 g/kg body wt) for a period of 8 wk. The fat pads were used either to isolate ...
The mobilization of fat stored in adipose tissue is mediated by hormone-sensitive lipase (HSL) and the recently characterized adipose triglyceride lipase (ATGL), yet their relative importance in lipolysis is unknown. We show that a novel potent inhibitor of HSL does not inhibit other lipases. The compound counteracted catecholamine-stimulated lipolysis in mouse adipocytes and had no effect on r...
Cystic fibrosis (CF) is frequently associated with progressive loss of exocrine pancreas function, leading to incomplete digestion and absorption of dietary fat. Supplementing patients with pancreatic lipase reduces fat excretion, but it does not completely correct fat malabsorption, indicating that additional pathological processes affect lipolysis and/or uptake of lipolytic products. To delin...
OBJECTIVE To test the effects of novel oral hypoglycemic agent A-4166 on lipolysis and lipogenesis in adipocytes from normal rats and non-obese, hypertriglyceridemic, insulin resistant and hypertensive rats (HTG) fed basal or high fat diet. METHODS Adult male Wistar rats and hereditary HTG rats (from our own colony) were used. They were fed either basal or high fat diet for three weeks. On th...
A primary culture of undigested fat tissue fragments was used to obtain fat cells in vitro. On day 2 of culture, immature fat cells, which are fibroblast-like fat cells containing fine lipid droplets, appeared, surrounding the fat tissue fragments, and began to proliferate extensively. Afterwards, these fibroblast-like fat cells grew to become multilocular fat cells containing larger intracytop...
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