Effects of partial sarcoplasmic reticulum calcium depletion on calcium release in frog cut muscle fibers equilibrated with 20 mM EGTA

Resting sarcoplasmic reticulum (SR) Ca content ([CaSR]R) was varied in cut fibers equilibrated with an internal solution that contained 20 mM EGTA and 0-1.76 mM Ca. SR Ca release and [CaSR]R were measured with the EGTA-phenol red method (. J. Gen. Physiol. 106:259-336). After an action potential, th...

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Veröffentlicht in:	The Journal of general physiology 1998-09, Vol.112 (3), p.263-295
Hauptverfasser:	Pape, P C, Jong, D S, Chandler, W K
Format:	Artikel
Sprache:	eng
Schlagworte:	Action Potentials - drug effects Action Potentials - physiology Anatomy & physiology Animals Anura Buffers Calcium Calcium - metabolism Calcium - pharmacokinetics Calcium Channels - physiology Chelating Agents - pharmacology Egtazic Acid - pharmacology Frogs Ion Channel Gating - drug effects Ion Channel Gating - physiology Kinetics Mathematics Muscle Contraction - physiology Muscle Fibers, Skeletal - chemistry Muscle Fibers, Skeletal - drug effects Muscle Fibers, Skeletal - metabolism Muscular system Patch-Clamp Techniques Sarcoplasmic Reticulum - drug effects Sarcoplasmic Reticulum - metabolism Time Factors
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