نتایج جستجو برای: pgc
تعداد نتایج: 3759 فیلتر نتایج به سال:
Peroxisome proliferator-activated receptor-gamma coactivator-1 (PGC-1) plays a major role in mediating hepatic gluconeogenesis in response to starvation, during which PGC-1 is induced by the cyclic AMP response element binding protein. Although it is observed that insulin counteracts PGC-1 transcription, the mechanism by which insulin suppresses the transcription of PGC-1 is still unclear. Here...
Type 2 diabetes is characterized by fasting hyperglycemia, secondary to hepatic insulin resistance and increased glucose production. Peroxisome proliferator-activated receptor-gamma coactivator-1alpha (PGC-1alpha) is a transcriptional coactivator that is thought to control adaptive responses to physiological stimuli. In liver, PGC-1alpha expression is induced by fasting, and this effect promote...
Menconi MJ, Arany ZP, Alamdari N, Aversa Z, Gonnella P, O’Neal P, Smith IJ, Tizio S, Hasselgren P. Sepsis and glucocorticoids downregulate the expression of the nuclear cofactor PGC-1 in skeletal muscle. Am J Physiol Endocrinol Metab 299: E533–E543, 2010. First published July 20, 2010; doi:10.1152/ajpendo.00596.2009.—Muscle wasting during sepsis is at least in part regulated by glucocorticoids ...
Peroxisome-proliferator activated receptor gamma coactivator-1 alpha (PGC-1α) is a highly inducible transcription factor coactivator that regulates biological programs linked to energy homeostasis and overexpression of PGC-1α could enhance mitochondrial biogenesis and functions. In a previous study, we have reported that PGC-1α expression was significantly repressed in hepatocellular carcinoma ...
Reactive oxygen species (ROS) play an important role in cellular function via the activation of signaling cascades. ROS have been shown to affect mitochondrial biogenesis, morphology, and function. Their beneficial effects are likely mediated via the upregulation of transcriptional regulators such as peroxisome proliferator-activated receptor-gamma coactivator-1 protein-alpha (PGC-1alpha). Howe...
Initially developed in 1992 as an MR imaging agent, the family of protected graft copolymers (PGC) is based on a conjugate of polylysine backbone to which methoxypoly(ethylene glycol) (MPEG) chains are covalently linked in a random fasion via N-ε-amino groups. While PGC is relatively simple in terms of its chemcial composition and structure, it has proved to be a versatile platform for in vivo ...
During contractions, regulation of microvascular oxygen partial pressure (Pmv(O2)), which drives blood-myocyte O2 flux, is a function of skeletal muscle fiber type and oxidative capacity and can be altered by exercise training. The kinetics of Pmv(O2) during contractions in predominantly fast-twitch muscles evinces a more rapid fall to far lower levels compared with slow-twitch counterparts. Pe...
Background & Objective: Angiopoietin-like Proteins 8 (ANGPTL8) which secreted form adipose tissue due to downstream PGC-1α pathways, is the main factor for regeneration of beta cell. The aim of this study was to investigate the effect of 4 endurance training program on PGC-1α expression in adipose tissue, ANGPTL8 serum concentration and beta cell function (HOMA.B) in diabetic rats. Materials & ...
Terrestrial biomass carbon stocks (BCS) play a vital role in the climate system, but benchmarked estimates prior to late twentieth century remain scarce. Here, by making use of an early global forest resource assessment and harmonizing information on land densities, we establish BCS account for year 1950. Our best-guess estimate is 450.2 PgC (median all modulations: 517.8 PgC, range: 443.7–584....
PGC-1alpha is a key regulator of tissue metabolism, including skeletal muscle. Because it has been shown that PGC-1alpha alters the capacity for lipid metabolism, it is possible that PGC-1alpha expression is regulated by the intramuscular lipid milieu. Therefore, we have examined the relationship between PGC-1alpha protein expression and the intramuscular fatty acid accumulation in hindlimb mus...
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