reagin

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reagin

[rē′ā·jən]
(immunology)
The class of immunoglobulin that mediates allergic reactions such as asthma and urticaria. Also known as IgE; reaginic antibody.
References in periodicals archive ?
Physico-chemical properties of human reaginic antibody.
"Reaginic hypersensitivity in ulcerative colitis." Gut, 1972.
Although allergic responses in animals and humans share many common mechanisms, there are clearly some cross-species differences such as in reaginic antibodies and complement components that induce anaphylaxis.
Acute (type 1, immediate hypersensitivity): IgE antibody measurable by RAST (serum) test or by skin prick tests reflecting the histaminic, reaginic, or Ishizaka responsiveness.