G alpha q and G alpha 13 regulate NHE-1 and intracellular calcium in epithelial cells.


To understand the mechanisms by which G protein-coupled signaling systems regulate NHE-1 in epithelial cells, we expressed G alpha q and G alpha 13 in a renal epithelial cell line. We studied two signaling systems that have been implicated in NHE-1 regulation [intracellular Ca (Cai) and phospholipase C activity] and measured NHE-1 activity, mRNA, and… (More)


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