atopic reagin


a·top·ic re·a·gin

Prausnitz-Küstner antibody, that is, antigen-specific IgE.

Prausnitz,

Otto Carl W., German hygienist, 1876-1963. Prausnitz-Küstner antibody - one of the IgE class of antibodies first demonstrated by passive transfer to the skin. Synonym(s): atopic reaginPrausnitz-Küstner reaction - formerly the standard method of demonstrating IGEreversed Prausnitz-Küstner reaction - the appearance of an urticarial reaction at the site of injection when serum containing reaginic antibody is injected into the skin of a person in whom the allergen is already present.