نتایج جستجو برای: ucp3
تعداد نتایج: 538 فیلتر نتایج به سال:
Production of heat via nonshivering thermogenesis (NST) is critical for temperature homeostasis in mammals. Uncoupling protein UCP1 plays a central role in NST by uncoupling the proton gradients produced in the inner membranes of mitochondria to produce heat; however, the extent to which UCP1 homologues, UCP2 and UCP3, are involved in NST is the subject of an ongoing debate. We used an evolutio...
زمینه و هدف: UCP3 از خانواده پروتئینهای جفت نشده است که نقش مهمی در هموستاز انرژی ایفا میکند بنابراین در بروز چاقی میتواند مؤثر باشد. پلیمورفیسم C-55T(rs1800849) منطقه پروموتری ژن UCP3 میتواند میزان بیان ژن را تحت تأثیر قرار دهد. هدف این مطالعه آنالیز ارتباط پلی مورفیسم C-55T ژن UCP3 با چاقی در یک جمعیت جوان ایرانی بود. مواد و روشها: نمونه خون محیطی 120 فرد چاق و 120 فرد نرمال از میان دان...
Uncoupling protein-3 (UCP3) is a member of the mitochondrial carrier family expressed preferentially in skeletal muscle and heart. It appears to be involved in metabolic handling of fatty acids in a way that minimizes excessive production of reactive oxygen species. Fatty acids are powerful regulators of UCP3 gene transcription. We have found that the role of peroxisome proliferator-activated r...
Background and purpose: Creating cardiovascular protection with proper exercise and nutrition are important issues. The aim of this study was to investigate the combined effects of high intensity interval training (HIIT) and flaxseed oil supplement on the expression of genes involved in cardiac protection (UCP2, UCP3 and eNOS) in healthy male rats. Materials and methods: Twenty adult wistar ra...
The hypothesis that uncoupling protein 3 (UCP3) is an uncoupling protein involved in heat dissipation is not unequivocally supported. An update of in vitro, ex vivo and in vivo studies testing this hypothesis is presented. Data are provided showing that exercise induces a fatty acid-dependent increase in muscle UCP3 mRNA in humans. The proposed positive correlation between glycolytic capacity a...
The objective of this study was to investigate the sex-dependent regulation of skeletal muscle uncoupling protein (UCP)3 mRNA expression in response to overweight and its relationship with serum levels of free fatty acids, leptin, and insulin. Two obesity models were used: rats made obese by feeding them with a cafeteria diet for 14 wk, and postcafeteria overweight rats fed a chow diet for 10 w...
Introduction: The effect of regular exercise in decreasing the incidence of heart diseases is well known. The abuse of anabolic androgenic steroids (AAS) has been associated with cardiovascular disorders. Uncoupling proteins (UCPs) transport protons across the inner mitochondrial membrane thereby proton gradient can be diminished by the action of UCPs. This process will result in the uncoupl...
Epidemiological studies suggest that infants of low birth weight show poor neonatal growth and increased susceptibility to adult diseases such as diabetes and lung disease. Uncoupling protein 2 and 3 (UCP2 and UCP3) have been implicated in the development of such diseases; pigs provide an ideal model to examine the influence of birth weight due to the natural variance in piglet weight within a ...
RATIONALE We have previously shown increased cardiac stanniocalcin-1 (STC1) in patients with idiopathic dilated cardiomyopathy. STC1 localizes to the inner mitochondrial membrane and transgenic over-expression of STC1 is associated with increased energy utilization. OBJECTIVE We examined the hypothesis that STC1 uncouples mitochondrial oxidative phosphorylation--to suppress superoxide generat...
Although it has been suggested that the skeletal muscle mitochondrial uncoupling protein-3 (UCP3) is involved in regulating energy expenditure, its role is still poorly understood. In the present study, we aimed at investigating noninvasively, using magnetic resonance techniques, metabolic changes occurring in exercising muscle as a result of capsiate treatment, which has been previously linked...
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