[Specific limitations for intracellular diffusion of ADP in cardiomyocytes].


Isolated cardiomyocytes and bundles of cardiac fibers were studied after lysis of their sarcolemma by saponin (40-50 micrograms/ml). 60-70% of cardiomyocytes were rod-like and Ca2(+)-tolerant. The kinetics of stimulation of oxidative phosphorylation by ADP and creatine via the mitochondrial creatine kinase reaction: MgATP + creatine----MgADP… (More)


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