Abstract
Potassium chloride induced a dose-dependent release of histamine from rat peritoneal mast cells at concentrations from 5 to 150 mM in the absence of extracellular Ca2+. Potassium concentrations greater than 150 mM produced less histamine release. The release was energy-dependent and was complete within one minute. The histamine liberating effect of KCl could be inhibited by NaCl and by preincubation with ketotifen. The monovalent cations, Rb+ and Cs+ also evoked histamine release, whereas Na+ and Li+ were ineffective.
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Németh, A., Magyar, P., Herceg, R. et al. Potassium-induced histamine release from mast cells and its inhibition by ketotifen. Agents and Actions 20, 149–152 (1987). https://doi.org/10.1007/BF02074654
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DOI: https://doi.org/10.1007/BF02074654