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  • Title: Demonstration of Mycobacterium leprae specific antigens in leprosy lesions using monoclonal antibodies.
    Author: Narayanan RB, Ramu G, Sinha S, Sengupta U, Malaviya GN, Desikan KV.
    Journal: Indian J Lepr; 1985; 57(2):258-64. PubMed ID: 2416852.
    Abstract:
    Cryostat sections of dermal lesions from 13 untreated patients of leprosy were studied by indirect immunoperoxidase using monoclonal antibodies (MLO4 & MLO6), defining M. leprae specific antigens. The lymphocytes and macrophages in both the tuberculoid and lepromatous granulomas showed membranous staining with the above antibodies. M. leprae organisms in the lepromatous granulomas and the cells in the section of lymph nodes of patients with tuberculosis, or sections of normal skin or psoriatic lesions did not show any staining with these antibodies. These observations suggest that M. leprae specific antigens are present and expressed on the cells infiltrating the granulomas of leprosy lesions.
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