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Showing 1 to 8 of 8 for “"muscle fiber types"”.
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Control of Skeletal Muscle Fiber Types by Calcium Signaling Pathways
… programs of gene expression in skeletal muscles, thereby establishing a high degree of metabolic and physiological specialization among myofiber subtypes. Previous studies have demonstrated that calcineurin activity is required to maintain slow myofiber identity. I am interested in …
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Functional implications of the neuromuscular transform in decapod crustacean locomotion
… system must activate and effectively control muscle fibers capable of accomplishing the behavior. For multi functional muscles, an array of muscle fiber types must be selectively activated based on the behavioral task. In arthropods that have few motor neurons, it is not understod how the …
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Insulin Signaling & Glucose Metabolism in Glycolytic & Oxidative Muscle of High Fat Fed & Endurance Trained
… (HFD) and chronic endurance exercise (CEE) upon muscles of varying oxidative (Ox) and glycolytic capacities. We report that chronic HFD leads to significantly high levels of blood glucose and insulin concentrations. These high concentrations were due to the reduction in the activity of key …
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The Mouthparts of Ants
… of mandible functions is the mandible closer muscle. In ants, this muscle is generally composed of distinct muscle fiber types that differ in morphology and contractile properties. Volume proportions of the fiber types are species-specific and correlate with feeding habits. Two biomechanical …
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Catalytic-Independent And Subtype-Specific Roles Of Fructose-1,6-Bisphosphatase 2 In Sarcoma Growth
… enzyme, is primarily expressed in skeletal muscle yet its physiological contribution in this tissue is not fully established. To investigate its function, we examined FBP2 expression in different skeletal muscle fiber types and in myogenic progenitor populations. Using immunohistochemical …
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Role of Lipoprotein Lipase in Lipid Metabolism: The Effects of Exercise and Diet
… source of energy for skeletal and cardiac muscles and for storage in adipose tissue. In order to use plasma TG, fatty acids (FA) must be released from the glycerol backbone before uptake by tissues. Lipoprotein lipase (LPL) is a capillary bound enzyme which hydrolyzes plasma TG contained …
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Glucose Metabolism in Low Birth Weight Neonatal Pigs
… high growth rates and is dominated by skeletal muscle hypertrophy. Low birth weight (LBWT) neonates experience restricted growth and development of skeletal muscle, leading to metabolic perturbations later in life. The overall hypothesis of this dissertation was that in utero disturbances in …
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Chronic Dietary Supplementation of Branched-Chain Amino Acids Does Not Attenuate Muscle Torque Loss in a Mouse Model of Duchenne Muscular Dystrophy
… (DMD) is an X-linked recessive, progressive muscle-wasting disease characterized by mutations in the dystrophin gene. Duchenne muscular dystrophy is the most common and most severe form of inherited muscle diseases, with an incidence of 1 in 3,500 male births1,2. Mutations in the dystrophin …