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  • Title: Inhibition of histamine release induced by compound 48/80 and peptide 401 in the presence and absence of calcium. Implications for the mode of action of anti-allergic compounds.
    Author: Ennis M, Atkinson G, Pearce FL.
    Journal: Agents Actions; 1980 Jun; 10(3):222-8. PubMed ID: 6157320.
    Abstract:
    Histamine may be released from rat peritoneal mast cells by compound 48/80 and peptide 401 in the presence and absence of extracellular calcium. The process is non-cytolytic and requires an intact cell metabolism. The release produced under both conditions is inhibited by disodium cromoglycate, theophylline, dibutyryl cyclic AMP and (at high concentrations) quercetin. The efficacy of the drugs in the absence of extracellular calcium cannot be explained in terms of their postulated effect on the calcium-gating mechanism operative in anaphylactic secretion. Alternative modes of action of the compounds are thus considered.
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