Dethlefs S, Brahic M, Larsson-Sciard EL. An early, abundant cytotoxic T-lymphocyte response against Theiler's virus is critical for preventing viral persistence.
J Virol 1997;
71:8875-8. [PMID:
9343251 PMCID:
PMC192357 DOI:
10.1128/jvi.71.11.8875-8878.1997]
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Abstract
In genetically susceptible strains of mice, the DA strain of Theiler's virus, a picornavirus, causes a persistent infection of the white matter of the spinal cord associated with chronic demyelination. In resistant strains, on the other hand, the infection is cleared within 1 to 2 weeks. In this article, we show that Theiler's virus induces a rapid and abundant cytotoxic T lymphocyte (CTL) response in resistant C57BL/6 mice, while the response remains low throughout infection in susceptible SJL/J mice. This difference can be referred to a higher number of virus-specific CTL precursors in C57BL/6 mice. These observations indicate that the efficient induction of virus-specific CTL precursors is critical for avoiding the establishment of a persistent picornaviral infection.
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