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  • Title: Anergy to dinitrochlorobenzene and depression of T-lymphocytes in Crohn's disease and ulcerative colitis.
    Author: Meyers S, Sacher DB, Taub RN, Janowitz HD.
    Journal: Gut; 1976 Nov; 17(11):911-5. PubMed ID: 1087263.
    Abstract:
    Skin reactivity to dinitrochlorobenzene (DNCB) and levels of circulating T-lymphocytes were measured in 15 patients with ulcerative colitis, 15 patients with Crohn's disease, and 12 normal control subjects. Diminished reactivity to DNCB was demonstrated in 87% of patients with Crohn's disease (P less than 0-001) and in 53% with ulcerative colitis (P less than 0-02), as compared with only 8-5% of controls; anergy was more frequent in Crohn's disease than in ulcerative colitis (P less than 0-05). Levels of circulating T-lymphoctes were also depressed in both Crohn's disease and ulcerative colitis (P less than 0-001) as compared with controls, with the values lower in Crohn's disease than in ulcerative colitis (P less than 0-02). There were no correlations of DNCB response with extent, duration, or severity of disease nor with T-cell levels within any patient group. These data provide further support for the concept that there is impairment of cell-mediated immunity among many patients with chronic inflammatory bowel disease, including both Crohn's disease and ulcerative colitis.
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