Calcium-induced calcium release in sarcoplasmic reticulum vesicles purified from rabbit fast skeletal muscle.
Addition of small amounts of CaCl2 can induce calcium release from calcium-filled sarcoplasmic reticulum vesicles. The time of onset and rate of calcium release in the vesicular preparations, which occurs when ionized Ca2+ in the medium is increased from less than 1 microM to 3-5 microM, are considerably slower than in skinned muscle fiber preparations.
D000244:Adenosine Diphosphate / Q000502:physiology; D000255:Adenosine Triphosphate / Q000502:physiology; D000818:Animals; D002118:Calcium / Q000502:physiology*; D002122:Calcium Chloride / Q000494:pharmacology*; D009132:Muscles / Q000502:physiology*; D011817:Rabbits; D012519:Sarcoplasmic Reticulum / Q000502:physiology*; D013997:Time Factors
D000244:Adenosine Diphosphate; D000255:Adenosine Triphosphate; D002122:Calcium Chloride; D002118:Calcium