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HLA-A, -B, -DR and -DQ antigen profile was studied in pulmonary tuberculosis patients (n = 209) and their spouses (family contacts; n = 50) and healthy volunteers (n = 72). An increased frequency of HLA-A-10, B7, B15, DR2 and DQ1 was seen in the pulmonary-TB (PTB) patients when compared to the total control subjects (n = 122). However, a significant(More)
BACKGROUND & OBJECTIVES Major histocompatibility complex (MHC) genes are known to influence the immune functions. In the present study, the influence of non-MHC genes such as mannose binding protein (MBP), vitamin D receptor (VDR) and interleukin-1 receptor antagonist (IL-1RA) gene polymorphisms on lymphocyte response to Mycobacterium tuberculosis culture(More)
SETTING Influence of HLA-DR antigens and lymphocyte responses in pulmonary TB patients. OBJECTIVE To elucidate the role of HLA-DR genes/gene products on lymphocyte responses to Mycobacterium tuberculosis antigens and mitogens, the present study was carried out in pulmonary tuberculosis during active and cured stage of the disease. DESIGN Serological(More)
SETTING HLA and tuberculin status in pulmonary tuberculosis patients. Tuberculosis Research Centre, Indian Council of Medical Research, Madras, India. OBJECTIVE To elucidate the role of HLA-class-II genes/gene products on tuberculin reactivity in pulmonary tuberculosis patients. DESIGN Serological determination of HLA-DR and -DQ antigens was carried out(More)
Association of HLA-DR2 genes/gene products has been shown with pulmonary tuberculosis (PTB) patients in India. In the present study, the influence of HLA-DR2 and non-DR2 genes/gene products on immunity to tuberculosis has been studied. Plasma samples of -DR2 positive patients (active and inactive TB) showed a higher antibody titre to Mycobacterium(More)
SETTING Tuberculosis Research Centre, Indian Council of Medical Research, Madras, India. OBJECTIVE To elucidate the role of HLA-Class II genes/gene products on phagocyte enzymes such as lysozyme, beta-glucuronidase and acid phosphatase in the plasma of pulmonary tuberculosis patients. DESIGN Serological determination of HLA-DR and -DQ antigens was(More)
To understand whether the presence of cold reactive lymphocytotoxic antibodies (LCA) (reactive at 15 degrees C) in the system has any effect on immunity to tuberculosis lymphocytotoxic antibodies to adherent cells (enriched-B cells) and non-adherent cells were studied in active-TB (n = 42) and inactive-TB (cured) patients (n = 49) and healthy controls (n =(More)
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