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Bystander CD4 T cells do not mediate demyelination in mice infected with a neurotropic coronavirus
Journal article   Open access   Peer reviewed

Bystander CD4 T cells do not mediate demyelination in mice infected with a neurotropic coronavirus

Jodie S Haring and Stanley Perlman
Journal of Neuroimmunology, Vol.137(1-2), pp.42-50
2003
DOI: 10.1016/S0165-5728(03)00041-9
PMID: 12667646
url
https://doi.org/10.1016/S0165-5728(03)00041-9View
Published (Version of record) Open Access

Abstract

Demyelination following infection of mice with the neurotropic coronavirus mouse hepatitis virus strain JHM (MHV) is immune-mediated. It has been demonstrated that MHV-specific CD4 and CD8 T cells are capable of causing demyelination independent of the other T cell subset. Recent work has also demonstrated that activated bystander CD8 T cells mediate significant demyelination. The ability of bystander CD4 T cells to mediate demyelination was investigated using CD4 T cell transgenic mice. The results indicated that bystander CD4 T cells were unable to cause demyelination in MHV-infected mice, despite being recruited into the central nervous system (CNS) and irrespective of activation status. These results suggest that CD4 T cells must recognize antigen in the CNS in order to cause demyelination.
T lymphocytes Transgenic/knockout Cell trafficking Demyelination Viral

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