Effect of Cimetidine on Exogenous Histamine Inhibition of Histamine Release in Vivo

Stanislaus Ting*, Burton Zweiman, Robert M. Lavker, Eliot H. Dunsky

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

We previously reported that exogenous histamine inhibits in vivo histamine release and eosinophil accmulation in ragweed‐challenged skin sites of sensitive human subjectes. The mechanism(s) involved were unclear. In this study, we repeated similar approaches in of the same subjects pretreated for 3 days with cimetidine, an H2 receptor antagonist. The pattern of exogenous histamine effects was now different in that local exogenous histamine (50 ug/ml) did not significantly alter ragweed‐induced mast cell alteration, histamine release, or the degree of eosinophil accumulation in skin challenge sites. These findings suggest that the observed exogenous histamine inhibitory effects may be mediated through the H2 receptor.

Original languageEnglish (US)
Pages (from-to)11-17
Number of pages7
JournalAllergy
Volume38
Issue number1
DOIs
StatePublished - Jan 1 1983

Keywords

  • H receptor
  • histamine inhibitory
  • through

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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