Molecular cloning and characterization of the human cardiac Na+/Ca2+ exchanger cDNA.


The Na+/Ca2+ exchanger plays important roles in Ca2+ handling in many excitable cells. In particular, the Na+/Ca2+ exchanger is expressed at high levels in the cardiac sarcolemma and is the dominant mechanism of Ca2+ extrusion from the cells. In addition, the exchanger has been suggested to play key roles in digitalis action and in postischemic reperfusion… (More)


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