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Eur J Immunol. 1995 Jun;25(6):1589-93.

T lymphocyte repertoire in Theiler's virus encephalomyelitis: the nonspecific infiltration of the central nervous system of infected SJL/J mice is associated with a selective local T cell expansion.

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Unité de Biologie Moléculaire du Gène, Institut Pasteur, Paris, France.


Theiler's virus causes, in the susceptible SJL/J mouse, a chronic demyelinating disease that resembles multiple sclerosis. Demyelination is at least in part immune mediated and coincides with the infiltration of the central nervous system by T lymphocytes. We analyzed the repertoire of the T cell receptor (TcR) beta-chain for each V beta-J beta combination, in spinal cord and spleen T cells of infected animals. All V beta families were detected in spinal cord as well as in spleen, as if the central nervous system were undiscriminantly invaded by T cells in the infected animals. Some T cells, defined by specific V beta-J beta combinations, were expanded in the spinal cord but not in the spleen, most probably because of an antigen-driven response. The TcR beta-chain repertoire of infiltrating T cells was the same at the onset of demyelination as when the disease was full-blown. These results provide the first description of the repertoire of the T cells which infiltrate the central nervous system during the course of this disease.

[Indexed for MEDLINE]

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