The roles of heat shock proteins in host defense against bacterial infection

Yasunobu Yoshikai

    Research output: Contribution to journalReview article

    4 Citations (Scopus)

    Abstract

    Heat shock proteins (HSP) are widely distributed in nature, and are highly conserved proteins among prokaryotes and eukaryotes. These proteins are known to be involved in cytoprotection against various stress conditions including bacterial infection, and immune responses to various pathogens such as bacteria. In this study, we showed that HSP70 protected macrophages infected with Salmonella choleraesuis against TNF-alpha-induced cell death. Furthermore, HSP70-reactive CD4+ T cells appeared during the course of infection with Listeria monocytogenes. These cells produce TGF-beta and IL-10 in response to HSP70, which in turn regulate Th1-cell-mediated excessive inflammation after the battle against bacteria has been won. Thus, HSPs play important roles in protecting against excessive inflammation not only via cytoprotection but also induction of immunoregulatory T cells.

    Original languageEnglish
    Pages (from-to)564-573
    Number of pages10
    JournalRinsho byori. The Japanese journal of clinical pathology
    Volume46
    Issue number6
    Publication statusPublished - Jan 1 1998

    Fingerprint

    Cytoprotection
    Heat-Shock Proteins
    Bacterial Infections
    Inflammation
    Bacteria
    T-Lymphocytes
    Th1 Cells
    Listeria monocytogenes
    Eukaryota
    Salmonella
    Transforming Growth Factor beta
    Interleukin-10
    Proteins
    Cell Death
    Tumor Necrosis Factor-alpha
    Macrophages
    Infection

    All Science Journal Classification (ASJC) codes

    • Medicine(all)

    Cite this

    The roles of heat shock proteins in host defense against bacterial infection. / Yoshikai, Yasunobu.

    In: Rinsho byori. The Japanese journal of clinical pathology, Vol. 46, No. 6, 01.01.1998, p. 564-573.

    Research output: Contribution to journalReview article

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