Population
Rabbit sino-atrial node cells
Design
Preclinical
Authors
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Low external Ca2+ augments Ist while suppressing L-type current in rabbit SA node; leaves open a distinct channel subtype in pacemaker function.
A sustained inward current (Ist) activated at the diastolic potential range in rabbit sino-atrial node cells is characterized and concluded to be generated by a novel subtype of L-type Ca2+ channel.
Guo et al. (1995) studied this question.
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