نتایج جستجو برای: ucp3
تعداد نتایج: 538 فیلتر نتایج به سال:
چکیده: مقدمه: اثرات سودمند ورزش منظم در کاهش شیوع بیماری های قلبی ـ عروقی به خوبی شناخته شده و سوء استفاده از استروئیدهای آندروژنیک آنابولیک (aas) همراه با بروز بیماری های قلبی ـ عروقی بوده است. میوسیت های قلبی دارای دو نوع مختلف کانال پتاسیمی حساس به atpمی باشند: 1) در سارکولم (sarckatp) و 2) در غشای داخلی میتوکندری(mitokatp). این کانالها با باز شدن خود ممکن است به عنوان یک مکانیسم محافظت کنن...
Uncoupled respiration (UCR) is an essential property of muscle mitochondria and has several functions in the cell. We hypothesized that endurance training may alter the magnitude and properties of UCR in human muscle. Isolated mitochondria from muscle biopsies taken before and after 6 weeks of endurance exercise training (n=8) were analysed for UCR. To investigate the role of uncoupling protein...
The uncoupling protein 3 (UCP3) is a mitochondrial membrane transporter mainly expressed in skeletal muscle that we have shown to be associated with obesity. We have analyzed UCP3 polymorphisms, Val102Ile, Tyr210Tyr, and a new microsatellite GAIVS6 located in the sixth intron, among 276 black and 503 white subjects from the HERITAGE Family Study. Linkage and association studies were undertaken ...
In the present study fifteen male subjects (age: 22.7 ± 0.5 years; BMI: 23.5 ± 0.6 kg x m⁻²; VO₂(max) 46.0 ± 1.0 mL x kg⁻¹ x min⁻¹) performed 5 week moderate intensity endurance training. The training resulted in a significant increase in maximal oxygen uptake (VO₂(max)) (P=0.048) and power output reached at VO₂(max) (P=0.0001). No effect of training on the uncoupling protein 3 (UCP3) content i...
Coping with reduced energy sources entails drastic morphological and functional changes in skeletal muscle, but the sequence of events required classification. We found that gastrocnemius muscle from food-deprived rats shows acute rises in peroxisome proliferator activated receptor (PPAR) gamma coactivator (PGC) -1alpha/PPAR delta nuclear protein and myosin heavy chain (MHC) Ib protein, while t...
We tested the hypothesis that leptin, in addition to reducing body fat by restraining food intake, reduces body fat through a peripheral mechanism requiring uncoupling protein 1 (UCP1). Leptin was administered to wild-type (WT) mice and mice with a targeted disruption of the UCP1 gene (UCP1 deficient), while vehicle-injected control animals of each genotype were pair-fed to each leptin-treated ...
BACKGROUND The relationship between uncoupling protein (UCP) 1-3 polymorphisms and susceptibility to obesity has been investigated in several genetic studies. However, the impact of these polymorphisms on obesity is still under debate, with contradictory results being reported. Until this date, no meta-analysis evaluated the association of UCP polymorphisms with body mass index (BMI) variabilit...
BACKGROUND Some studies have reported associations between five uncoupling protein (UCP) 1-3 polymorphisms and type 2 diabetes mellitus (T2DM). However, other studies have failed to confirm the associations. This paper describes a case-control study and a meta-analysis conducted to attempt to determine whether the following polymorphisms are associated with T2DM: -3826A/G (UCP1); -866G/A, Ala55...
During the past few years, there have been two major developments, if not revolutions, in the field of energy balance and weight regulation. The first at the molecular level, which was catalysed by developments in DNA screening technology together with the mapping of the human genome, has been the tremendous advances made in the identification of molecules that play a role in the control of foo...
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