نتایج جستجو برای: muscle skeletal energy cost
تعداد نتایج: 1367759 فیلتر نتایج به سال:
[PDF] [Full Text] [Abstract] 2009; 107 (3): 873-879. J Appl Physiol Ryan G. Larsen, Damien M. Callahan, Stephen A. Foulis and Jane A. Kent-Braun In vivo oxidative capacity varies with muscle and training status in young adults [PDF] [Full Text] [Abstract] , November , 2009; 297 (5): H1870-H1875. Am J Physiol Heart Circ Physiol G. Carlier and Russell S. Richardson D. Walter Wray, Steven K. N...
Lipids stored in skeletal muscle cells are known as intramyocellular lipid (IMCL). Disorders involving IMCL and its causative factor, circulatory free fatty acids (FFAs), induce a toxic state and ultimately result in insulin resistance (IR) in muscle tissue. On the other hand, intramuscular triglyceride (IMTG), the most abundant component of IMCL and an essential energy source for active skelet...
Skeletal muscle has a pleiotropic role in organismal energy metabolism, for example, by storing protein as an energy source, or by excreting endocrine hormones. Muscle proteolysis is tightly controlled by the hypothalamus-pituitary-adrenal signalling axis via a glucocorticoid-driven transcriptional programme. Here we unravel the physiological significance of this catabolic process using skeleta...
Introduction: Ursolic Acid (UA) is a lipophilic triterpenoid compound, found in large amounts in apple peel. Anabolic effects of UA on the skeletal muscle and the role of this tissue as a key regulator of systematic aging aroused this question in mind whether UA might amend skeletal muscle performances such as myoglobin expression and also whether it switches skeletal muscle fibers from glyc...
In response to stress, cells produce a series of heat shock proteins (Hsps). One of the most prominent Hsps, is the 70 kDa Hsp (Hsp70). Hsp70 is a highly conserved and essential protein against stress. The skeletal muscle responds to a diverse group of stress signals namely, muscle contraction linked energy and milieu challenges, ischemia and exercise by producing Hsp70. The extent of this Hsp7...
In the final stage of fasting, skeletal muscle mass and protein content drastically decrease when the maintenance of efficient locomotor activity becomes crucial for animals to reactivate feeding behaviour and survive a very long period of starvation. As mitochondrial metabolism represents the main physiological link between the endogenous energy store and animal performance, the aim of this st...
Skeletal muscle fibers differ considerably in their metabolic and physiological properties. Skeletal muscle displays a high degree of metabolic flexibility, which allows the myofibers to adapt to various physiological demands by shifting energy substrate utilization. Transcriptional events play a pivotal role in the metabolic adaptations of skeletal muscle. The expression of genes essential for...
Background and Aims: Apoptosis plays important roles in the pathophysiology of Type 2 diabetes. The aim of this study was to evaluate the effect of high-intensity interval training (HIIT) on gene expression of apoptotic markers in the skeletal muscle of diabetic rats. Methods: To implementation of this experimental research, 60 male Wistar rats weighing 220 ± 20 gr randomly were divided into 5 ...
AIMS/INTRODUCTION Low aerobic capacity is a strong and independent predictor of all-cause mortality in patients with metabolic syndrome (MetS). Here, we investigated the effects of pioglitazone treatment on whole-body aerobic capacity and skeletal muscle energy metabolism in MetS patients. MATERIALS AND METHODS A total of 14 male patients with MetS received oral pioglitazone 15 mg/day for 4 m...
ATP-sensitive potassium (KATP) channels have the unique ability to adjust membrane excitability and functions in accordance with the metabolic status of the cell. Skeletal muscles are primary sites of activity-related energy consumption and have KATP channels expressed in very high density. Previously, we demonstrated that transgenic mice with skeletal muscle-specific disruption of KATP channel...
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