Differential role of cation and anion exchange in lymphocyte pH regulation.


In lymphocytes, the Na+/H+ antiport is well suited to function in cytoplasmic pH (pHi) regulation. It is activated by departures from the physiological pHi and is thermodynamically poised to compensate for the tendency of the cells to become acidic. The driving force for H+ (equivalent) efflux is indirectly provided by the Na+ pump. Lymphocytes also possess… (More)


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