An increase in number of T-cell receptor γ/δ-bearing T cells in athymic nude mice treated with complete Freund's adjuvants

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

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    It has been reported previously that environmental antigens such as intestinal microflora play an important role in the age-associated increase in number of T-cell receptor γ/β-bearing T cells. To extend the scope of this finding, this study examined the influences of local inflammatioin on the accumulation and/or proliferation of γ/δ T cells in athymic nude mice injected subcutaneously with complete Freund's adjuvants (CFA). The inguinal lymph nodes (ILN) in nude mice injected with CFA in their hind foodpads 7 days previously contained an increased number of CD3+CD4-CD8- cells. Increased levels of proliferative responses against syngeneic stimulator cells were noted in the LN cells of CFA-injected nude mice in association with increases in expression of γ- and δ-chain gene messages. Furthermore, the LN cells showed an early proliferative response to purified protein derivative (PPD) from Mycobacterium bovis. These results suggest that local inflammation by CFA may induce functional γ/δ T cells in nude mice, which may proliferate rapidly at the inflamed sites and represent a first line of defence in such animals against the invasion of various pathogens.

    Original languageEnglish
    Pages (from-to)61-65
    Number of pages5
    JournalImmunology
    Volume70
    Issue number1
    Publication statusPublished - Jan 1 1990

    Fingerprint

    Freund's Adjuvant
    T-Cell Antigen Receptor
    Nude Mice
    T-Lymphocytes
    Groin
    Mycobacterium bovis
    Lymph Nodes
    Inflammation
    Gene Expression
    Antigens
    Proteins

    All Science Journal Classification (ASJC) codes

    • Immunology and Allergy
    • Immunology

    Cite this

    An increase in number of T-cell receptor γ/δ-bearing T cells in athymic nude mice treated with complete Freund's adjuvants. / Yoshikai, Y.; Matsuzaki, G.; Inoue, T.; Nomoto, K.

    In: Immunology, Vol. 70, No. 1, 01.01.1990, p. 61-65.

    Research output: Contribution to journalArticle

    Yoshikai, Y. ; Matsuzaki, G. ; Inoue, T. ; Nomoto, K. / An increase in number of T-cell receptor γ/δ-bearing T cells in athymic nude mice treated with complete Freund's adjuvants. In: Immunology. 1990 ; Vol. 70, No. 1. pp. 61-65.
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