Titlebook: Excitation-Contraction Coupling in Skeletal, Cardiac, and Smooth Muscle; George B. Frank,C. Paul Bianchi,Henk E. D. J. Keur Book 1992 The

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Advances in Experimental Medicine and Biologyhttp://image.papertrans.cn/e/image/318390.jpg

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Na/Ca Exchange and First Messenger Ca in Skeletal Muscle Excitation - Contraction Coupling charge movement - which is closely linked to the release of Ca from the sarcoplasmic reticulum (SR) via the foot process. Two types of linkage have been discussed at this Conference: 1) structural links spanning the t-SR gap, such as the rigid rod model (Schneider and Chandler, 1973), and 2) chemic

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Cellular Mg++ Accumulation is Altered by Extracellular Na+ and Directly Affects Agonist-Induced Mobi. by added norepinephrine (NE) were examined in the rabbit aortic media-intimal layer. Uptake of .Ca at cellular high affinity sites was decreased by Mg. much more than .Mg uptake was altered by Ca.. Substitution of Na. affects .Ca uptake primarily at extracellular (La.-accessible) binding sites. Mu

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Calcium and Potassium Channel Regulation by Protein Phosphorylation in Smooth Muscle Cells of Guineascle cells are universally endowed with a lot of L-type, dihydropyridine-sensitive voltage-dependent Ca. channels and various kinds of K. channels. Actually, Ca. conductances are increased by membrane depolarization causing Ca. influx and subsequent contraction.

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Excitation-Contraction Coupling in Rat Skeletal Muscle Cells: Evolution During in Vitro Myogenesise) the appearance of a lot of molecules and processes vital for the cell: T system formation and sarcotubular organization, contractile proteins arrangements, voltage-dependent calcium channels, sarcoplasmic reticulum Ca-ATPase, junctional nicotinic receptor (see reviews from Schneider and Olson, 19

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Volume Changes During Contraction of Isolated Frog Muscle Fibersmetric tetanus. Crosssectional area and volume of the middle third of a fiber increased rapidly with the development of active tension, which indicates that contraction produced components of force perpendicular to the long axis. The extreme ends are known to shorten whether or not the middle of a f

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The Functional Role of T-Tubular Calcium Channels in Skeletal Muscle Contractionse excellent evidence supporting the concept that the e-c coupling process was identical during twitches and depolarization contractures (Frank, 1961). For this reason in my initial studies I used high K.-induced contractures in a Na.-free solution as a model for the events occurring during e-c coupl