Abstract
In vitro anaphylactic reaction causes mast cell damage and histamine release from rat tissue. Histamine release is correlated with mast cell damage and both phenomena are simultaneously inhibited by various metabolic inhibitors, antipyretics, calcium lack and previous heating of the tissue at 45°. The mast cell damage produced by antigen in sensitized rat tissues is morphologically similar to that caused by compound 48/80, both agents causing extrusion of granules. Mast cell damage and histamine release induced by antigen or by compound 48/80 are inhibited alike by several substances and conditions. It is suggested that in rats the histamine-releasing mechanism of the antigen-antibody reaction in anaphylaxis is very similar to that of compound 48/80.
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Selected References
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