Inhibition of Ca(2+) entry caused by depolarization in acetylcholine-stimulated antral mucous cells of guinea pig: G protein regulation of Ca(2+) permeable channels.

Abstract

The effects of depolarizing conditions resulting from increasing extracellular K(+) concentration or nystatin treatment on intracellular Ca(2+) concentration ([Ca(2+)](i)) were studied in guinea pig antral mucous cells following acetylcholine (ACh) stimulation. ACh stimulation evoked a biphasic increase in [Ca(2+)](i), that is, an initial transient increase… (More)

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