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Article
January 1977

UrticariaAn Updated Review

Author Affiliations

From the Department of Dermatology, University of Michigan Medical Center, Ann Arbor. Dr Monroe is now with the Milwaukee Medical Clinic, Milwaukee.

Arch Dermatol. 1977;113(1):80-90. doi:10.1001/archderm.1977.01640010082015
Abstract

• Urticaria can result from many different stimuli, and numerous factors, both immunologic and nonimmunologic, are involved in its pathogenesis. Most commonly considered of immunologic mechanisms is the type I hypersensitivity state mediated by IgE. Another immunologic mechanism involves the activation of the complement cascade, which produces anaphylatoxins that can release histamine. Immunologic, nonimmunologic, genetic, and modulating factors converge on mast cells and basophils to release mediators capable of producing urticarial lesions. In addition to the clinical and laboratory diagnosis and treatment regimens, we review such mediators as histamine, kinins, serotonin, slow-reacting substance of anaphylaxis, prostaglandins, acetylcholine, fibrin degradation products, and anaphylatoxins that increase vascular permeability and can thereby produce wheals. Special consideration is given to histamine and the factors that regulate is secretory release from mast cells and basophils, including the modulating role of intracellular levels of cyclic adenosine monophosphate.

(Arch Dermatol 113:80-90, 1977)

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