Effects of MgATP and MgADP on the cross-bridge kinetics of rabbit soleus slow-twitch muscle fibers [PDF]
Biophysical Journal, 1996 The elementary steps surrounding the nucleotide binding step in the cross-bridge cycle were investigated with sinusoidal analysis in rabbit soleus slow-twitch muscle fibers. The single-fiber preparations were activated at pCa 4.40, ionic strength 180 mM, 20 degrees C, and the effects of MgATP (S) and MgADP (D) concentrations on three exponential ...
Wang, G., Kawai, M.
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Effect of Dietary Restriction on Muscle Performance in Drosophila [PDF]
, 2011 Dietary restriction (DR) can extend the lifespan in various organisms and is thought to present potential benefits in human. However, it is still a controversial issue now among scientists due to lack of strong supportive evidence in human.
Hsu, Pin-Chia
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Effect of resistance training mainly depends on mechanical activation of fast-twitch fiber
Journal of Physical Fitness and Sports Medicine, 2022 This study conducted a secondary survey based on the hypothesis that the “total mechanical activation of fast-twitch fibers in the muscles determines the effects of muscle hypertrophy”, with resistance training of the knee extensor muscles as the target ...
Sho Hatanaka, Naokata Ishii
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Skeletal muscle and fiber type-specific intramyocellular lipid accumulation in obese mice
Biomolecules & Biomedicine, 2021 In obesity, accumulation of lipid droplets in skeletal muscle fibers and a shift towards fast muscle fiber types can both contribute to insulin resistance.
Nejc Umek, Simon Horvat, Erika Cvetko
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Cycling Cross-Bridges Contribute to Thin Filament Activation in Human Slow-Twitch Fibers
Frontiers in Physiology, 2020 It has been shown that not only calcium but also strong binding myosin heads contribute to thin filament activation in isometrically contracting animal fast-twitch and cardiac muscle preparations. This behavior has not been studied in human muscle fibers
Alfredo Jesus López-Dávila +9 more
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Antioxidants, 2020 The enzymatic complex Nicotinamide Adenine Dinucleotide Phosphate (NADPH) oxidase (NOx) may be the principal source of reactive oxygen species (ROS). The NOX2 and NOX4 isoforms are tissue-dependent and are differentially expressed in slow-twitch fibers ...
Juliana Osório Alves +10 more
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The effect of breed and body weight at slaughter on histochemical muscle fiber characteristics and meat quality of longissimus lumborum and semitendinosus lamb muscles [PDF]
Archives Animal Breeding, 2023 The skeletal muscles of mammals are composed of fibers of different morphological, metabolic and functional characteristics. The properties of muscle fibers may be determined genetically as well as by environmental factors such as the age of the animals,
W. Rant, A. Radzik-Rant
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Foods, 2023 Bayberry is known to be a rich source of natural flavonoids and has been reported to have various health-promoting abilities. However, its function on regulating skeletal muscle fiber type remains unclear.
Jinjie Li +5 more
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Role of the JP45-Calsequestrin Complex on Calcium Entry in Slow Twitch Skeletal Muscles [PDF]
, 2016 We exploited a variety of mouse models to assess the roles of JP45-CASQ1 (CASQ, calsequestrin) and JP45-CASQ2 on calcium entry in slow twitch muscles.
Treves S +24 more
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Noninvasive Estimation of Myosin Heavy Chain Composition in Human Skeletal Muscle [PDF]
, 2011 Purpose: Information on muscle fiber type composition is of great importance in muscle physiology and athletic performance. Because there are only a few techniques available that noninvasively and accurately provide an estimate of muscle fiber type ...
Rittweger, Jörn +17 more
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