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Citation Information: J Clin Invest. 1979;63(6):1302-1306. https://doi.org/10.1172/JCI109425.
Abstract
Induration is a characteristic feature of delayed-type hypersensitivity skin reactions and is the usual measure of their intensity. The precise basis of induration has not been established, although activation of the clotting system with consequent fibrin deposition has been clearly implicated. In this study, two subjects with congenital afibrinogenemia, a genetic defect in fibrinogen synthesis, were skin tested with standard microbial antigens: streptokinase-streptodornase, monilia, mumps, and tuberculin purified protein derivative. One positive delayed reaction from each subject was biopsied at 40-48 h and compared with 23 biopsies of similar skin tests in normal volunteers.
Authors
Robert B. Colvin, Michael W. Mosesson, Harold F. Dvorak
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