Title : Pharmacologic control of histamine release from human basophils induced by platelet-activating factor.

Pub. Date : 1993

PMID : 7694703






7 Functional Relationships(s)
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1 Pharmacologic control of histamine release from human basophils induced by platelet-activating factor. Histamine PCNA clamp associated factor Homo sapiens
2 We studied the effect of several compounds that influence different cell activation steps on platelet-activating factor (PAF)-induced basophil histamine secretion. Histamine PCNA clamp associated factor Homo sapiens
3 We studied the effect of several compounds that influence different cell activation steps on platelet-activating factor (PAF)-induced basophil histamine secretion. Histamine PCNA clamp associated factor Homo sapiens
4 Rolipram (phosphodiesterase, PDE, isotype IV inhibitor; 0.1 nM-10 microM) potently inhibited histamine secretion activated by PAF, whereas SKF95654 (PDE III inhibitor; 0.01-10 microM) was ineffective. Histamine PCNA clamp associated factor Homo sapiens
5 The kinase inhibitor, staurosporine (0.1-100 nM), enhanced PAF-induced basophil histamine release, whereas the G-protein inhibitor, pertussis toxin (1 microgram/ml), had an inhibitory effect. Histamine PCNA clamp associated factor Homo sapiens
6 The specific lipoxygenase inhibitor, AA-861 (0.1-10 microM), inhibited PAF-activated histamine release, while the leukotriene A4 hydrolase inhibitor, bestatin (100 microM), had only a marginal effect. Histamine PCNA clamp associated factor Homo sapiens
7 Finally, the Ca2+ channel entry blockers, verapamil (3-30 microM) and zinc (1.5-50 microM), inhibited PAF-induced histamine release. Histamine PCNA clamp associated factor Homo sapiens