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Murine candidiasis: Susceptibility is associated with the induction of T cell‐mediated, strain‐specific autoreactivity
Author(s) -
Ashman R. B.
Publication year - 1990
Publication title -
immunology and cell biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.999
H-Index - 104
eISSN - 1440-1711
pISSN - 0818-9641
DOI - 10.1038/icb.1990.25
Subject(s) - biology , candida albicans , immune system , antigen , cytotoxic t cell , spleen , cd8 , t cell , immunology , in vitro , microbiology and biotechnology , genetics
Summary Inbred mice can be classified as susceptible or resistant to systemic infection with the yeast Candida albicans by histopathological evaluation of tissue lesions. Candida‐specific memory T cell responses generated by resistant BALB/c mice are vigorous and sustained, whereas those displayed by susceptible CBA/H mice are weak. When spleen cells from immune mice were activated by culture with Candida antigens in vitro , and injected into syngeneic and allogeneic recipients in the absence of further antigenic stimulation, cells from CBA/H mice induced a specific inflammatory response only in CBA/H recipients. In contrast, cells from immune BALB/c mice showed no specific activity. The effector cells were identified as T cells of the cytotoxic/suppressor subclass (CD4 ‐ , CD8 + ); and analysis in various Fl hybrid mice showed that reactivity was expressed only in animals carrying CBA/H genes. The data thus indicate that susceptibility to C. albicans infection is associated with the induction of a T cell subpopulation that has the potential to react specifically against unmodified self antigens expressed by the susceptible strain.

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