Early appearing γ/δ-bearing T cells during infection with Calmette Guerin Bacillus

T. Inoue, Y. Yoshikai, G. Matsuzaki, K. Nomoto

    Research output: Contribution to journalArticle

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    Abstract

    To search for a potential role of TCR γ/δ T cells in host-defense against mycobacterial infection, we analyzed the kinetics, repertoire, specificity, and cytokine production of γ/δ T cells in the peritoneal exudate cells (PEC), lymph node (LN) cells and spleen cells during an i.p. infection with a sublethal dose (5 x 105) of viable Bacillus Calmette-Guerin (BCG) in mice. In the PEC on day 7 after infection, approximately 26% of the CD3+ cells were CD4-CD8-, most of which expressed TCR γ/δ on their surface. However, the PEC on day 28 contained an increased number of α/β T cells that were CD4+8- or CD4-8+ and the proportion of γ/δ T cells in the PEC reciprocally decreased to 18% of the CD3+ cells. The kinetics of γ/δ and α/β T cells in the LN during BCG infection showed in much the same pattern as that seen in the PEC. When purified CD4-CD8- cells in the LN on day 7 after BCG infection were cultured with sonicated BCG lysate, PPD derived from Mycobacterium tuberculosis or recombinant 65 kDa heat shock protein derived from Mycobacterium bovis, the γ/δ T cells on this stage significantly proliferated and secreted IL-2 in response to sonicated BCG lysate and PPD but not to 65 kDa heat shock protein. V gene segment usage analysis with PCR method revealed that purified protein derivative-reactive γ/δ T cells preferentially used Vγ( 1/2 )/Vδ6, whereas γ/δ T cells polyclonally expanded in response to the BCG lysate. These results suggest that γ/δ T cells specific for mycobacterial antigens preceding α/β T cells in appearance during infection may serve as a first line of defense against mycobacterial infection.

    Original languageEnglish
    Pages (from-to)2754-2762
    Number of pages9
    JournalJournal of Immunology
    Volume146
    Issue number8
    Publication statusPublished - Jan 1 1991

    Fingerprint

    Mycobacterium bovis
    T-Lymphocytes
    Exudates and Transudates
    Infection
    Lymph Nodes
    Tuberculin
    Heat-Shock Proteins
    Mycobacterium tuberculosis
    Interleukin-2
    Spleen
    Cytokines
    Antigens
    Polymerase Chain Reaction

    All Science Journal Classification (ASJC) codes

    • Immunology

    Cite this

    Inoue, T., Yoshikai, Y., Matsuzaki, G., & Nomoto, K. (1991). Early appearing γ/δ-bearing T cells during infection with Calmette Guerin Bacillus. Journal of Immunology, 146(8), 2754-2762.

    Early appearing γ/δ-bearing T cells during infection with Calmette Guerin Bacillus. / Inoue, T.; Yoshikai, Y.; Matsuzaki, G.; Nomoto, K.

    In: Journal of Immunology, Vol. 146, No. 8, 01.01.1991, p. 2754-2762.

    Research output: Contribution to journalArticle

    Inoue, T, Yoshikai, Y, Matsuzaki, G & Nomoto, K 1991, 'Early appearing γ/δ-bearing T cells during infection with Calmette Guerin Bacillus', Journal of Immunology, vol. 146, no. 8, pp. 2754-2762.
    Inoue T, Yoshikai Y, Matsuzaki G, Nomoto K. Early appearing γ/δ-bearing T cells during infection with Calmette Guerin Bacillus. Journal of Immunology. 1991 Jan 1;146(8):2754-2762.
    Inoue, T. ; Yoshikai, Y. ; Matsuzaki, G. ; Nomoto, K. / Early appearing γ/δ-bearing T cells during infection with Calmette Guerin Bacillus. In: Journal of Immunology. 1991 ; Vol. 146, No. 8. pp. 2754-2762.
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