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A 38-kDa antigen of Mycobacterium tuberculosis predominantly induces the secretion of interleukin-2, interferon-gamma and IgG2a antibodies.

IR@IMTECH: CSIR-Institute of Microbial Technology, Chandigarh

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Title A 38-kDa antigen of Mycobacterium tuberculosis predominantly induces the secretion of interleukin-2, interferon-gamma and IgG2a antibodies.
 
Creator Agrewala, J N
Mishra, G C
 
Subject QR Microbiology
 
Description In the present study, mice of 3 different haplotypes (H-2d, H-2k and H-2b) were sensitized subcutaneously with heat-killed H37Ra or 38-kDa antigen of Mycobacterium tuberculosis. Lymphocytes obtained from immunized animals were challenged in vitro with 38-kDa antigen in both cases. The dominant pattern of Th1-like lymphokines (IL-2 and IFN-gamma) and preferential production of 38-kDa specific IgG2a-type antibody were observed. It was noted that 38-kDa antigen was recognized permissively by all 3 strains of mice used in the present study. It was interesting to note that C3H/HeJ mice, which express BCG-resistant alleles showed a higher level of proliferative as well as cytokine response as compared to BALB/c and C57BL/6 mice, which bear BCG-susceptible alleles. These results suggest that not only in recall responses but also during the induction as well as expression phase of the immune response mediated by 38-kDa antigen of M. tuberculosis the Th1-like immune response predominates.
 
Publisher Center for Academic Publications Japan
 
Date 1995
 
Type Article
PeerReviewed
 
Identifier Agrewala, J N and Mishra, G C (1995) A 38-kDa antigen of Mycobacterium tuberculosis predominantly induces the secretion of interleukin-2, interferon-gamma and IgG2a antibodies. Microbiology and immunology, 39 (10). pp. 801-8. ISSN 0385-5600
 
Relation http://crdd.osdd.net/open/398/