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  • Title: T-lymphocyte response in a guinea pig model of tuberculous pleuritis.
    Author: Phalen SW, McMurray DN.
    Journal: Infect Immun; 1993 Jan; 61(1):142-5. PubMed ID: 8418036.
    Abstract:
    The ability to induce tuberculous pleuritis in Mycobacterium bovis BCG-vaccinated guinea pigs was investigated as a model of human disease. A pleural effusion of 5 to 10 ml was obtained 6 to 7 days after the bilateral pleural injection of a suspension of heat-killed M. tuberculosis cells. Histological lesions were indicative of granulomatous pleuritis. Comparative studies of T lymphocytes obtained from pleural fluid and peripheral blood revealed increased antigen-driven lymphoproliferation and E rosette formation in pleural effusion lymphocytes. The CD2+ T-lymphocyte population appeared to be expanded or concentrated in pleural fluid, suggesting a compartmentalization of antigen-reactive T lymphocytes. These data demonstrate that experimental tuberculous pleuritis with effusion, closely resembling the human disease, can be produced in BCG-vaccinated guinea pigs.
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