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Differences between glycogen biogenesis in fast- and slow-twitch rabbit muscle
Biochimica et Biophysica Acta (BBA) - General Subjects, 2003 Skeletal muscle glycogen is an essential energy substrate for muscular activity. The biochemical properties of the enzymes involved in de novo synthesis of glycogen were analysed in two types of rabbit skeletal muscle fiber (fast- and slow-twitch).
Cussó, R +6 more
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Fast and slow twitch muscles in man
Journal of the Neurological Sciences, 1968Abstract 1. (1) An investigation has been made of the twitch responses of 4 different human muscles. 2. (2) The first dorsal interosseus muscle of the hand and the extensor digitorum brevis muscle of the foot had twitches which were significantly faster than that of the gastrocnemius and significantly slower than that of the frontalis muscle.
A J, McComas, H C, Thomas
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Studies on sarcoplasmic reticulum from slow-twitch muscle
Journal of Muscle Research and Cell Motility, 1982Vesicles were isolated from membranes of the sarcoplasmic reticulum (SR) of rabbit slow-twitch muscle by differential and sucrose density gradient centrifugation after homogenization. In some experiments, the vesicles were further fractionated by loading them with calcium oxalate followed by centrifugation in a sucrose density gradient.
E, Zubrzycka-Gaarn +3 more
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Thick filament activation is different in fast‐ and slow‐twitch skeletal muscle
The Journal of Physiology, 2022Abstract The contractile properties of fast‐twitch and slow‐twitch skeletal muscles are primarily determined by the myosin isoform content and modulated by a variety of sarcomere proteins.
Henry M. Gong +3 more
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Myosin Light Chains of Slow Twitch (Red) Muscle
Nature New Biology, 1972ALTHOUGH our results1–3 agree with those of Lowey and Risby4,5 concerning the number of light chain types and their differences in white (fast twitch), cardiac and avian tonic (lat. dorsi ant.) muscle6, there is a discrepancy with respect to rabbit red (slow twitch) muscles. But the difficulty can be resolved with reference to our previous work.
F A, Sreter, S, Sarkar, J, Gergely
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Phosphorus nuclear magnetic resonance of fast- and slow-twitch muscle
American Journal of Physiology-Cell Physiology, 1985Phosphorus nuclear magnetic resonance (NMR) spectra were obtained at 109.3 MHz from isolated, arterially perfused cat biceps brachi (greater than 75% fast-twitch, glycolytic fibers) and soleus (greater than 92% slow-twitch, oxidative) muscles at 30 degrees C.
R A, Meyer, T R, Brown, M J, Kushmerick
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Recovery heat production of mammalian fast- and slow-twitch muscles
American Journal of Physiology-Legacy Content, 1976Relationships between initial heat and recovery heat in fast-twitch extensor digitorum longus (EDL) and slow-twitch soleus (SOL) muscles of the rat have been investigated by estimating the ratio of total heat (initial + recovery) to estimated initial heat.
I R, Wendt, C L, Gibbs
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Membrane skeleton of innervated and denervated fast- and slow-twitch muscle
Muscle & Nerve, 2000We used confocal microscopy and immunoblotting to study membrane skeletal proteins of fast-twitch (extensor digitorum longus) and slow-twitch (soleus) muscles of the adult rat. In the extensor digitorum longus (EDL), beta-spectrin concentrates in costameres, whereas dystrophin is enriched at costameres but is also present in intercostameric regions. In
M W, Williams, W G, Resneck, R J, Bloch
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Characterization of Mg2+-ATPase from slow-twitch muscle membranes
International Journal of Biochemistry, 1987SR vesicles from rabbit slow-twitch muscle reveal high activity (0.7-0.9 mumol/mg X min) of "basic" or Mg2+-ATPase. This enzyme differs in its biochemical properties from the well characterized Ca2+ pump ATPase. It is active in millimolar concentration of magnesium or calcium. The activity is inhibited by various detergents except for digitonin.
W, Szyja +3 more
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Autophagy and Protein Turnover Signaling in Slow-Twitch Muscle during Exercise
Medicine & Science in Sports & Exercise, 2014The aim of this study was to characterize skeletal muscle protein breakdown and mitochondrial dynamics markers at different points of endurance exercise.Mice run at 10 m·min(-1) during 1 h, and running speed was increased by 0.5 m·min(-1) every minute during 40 min and then by 1 m·min(-1) until exhaustion. Animals were killed by cervical dislocation at
Pagano, Allan +4 more
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