CD4+ and CD8+ T cells make discrete contributions to demyelination and neurologic disease in a viral model of multiple sclerosis

P. D. Murray, K. D. Pavelko, J. Leibowitz, X. Lin, M. Rodriguez

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

Following intracerebral infection with Theiler's murine encephalomyelitis virus (TMEV), susceptible strains of mice (SJL and PLJ) develop virus persistence and demyelination similar to that found in human multiple sclerosis. Resistant strains of mice (C57BL/6) clear virus and do not develop demyelination. To resolve the controversy about the role of CD4+ and CD8+ T cells in the development of demyelination and neurologic deficits in diseases of the central nervous system, we analyzed TMEV infection in CD4- and CD8-deficient B6, PLJ, and SJL mice. Genetic deletion of either CD4 or CD8 from resistant B6 mice resulted in viral persistence and demyelination during the chronic stage of disease. Vital persistence and demyelination were detected in all strains of susceptible background. Although genetic deletion of CD8 had no effect on the extent of demyelination in susceptible strains, deletion of CD4 dramatically increased the degree of demyelination observed. Whereas strains with deletions of CD4 showed severe neurologic deficits, mice with deletions of CD8 showed minimal or no deficits despite demyelination. In all strains, deletion of CD4 but not CD8 resulted in a decreased delayed- type hypersensitivity response to vital antigen. We conclude that each T- cell subset makes a discrete and nonredundant contribution to protection from viral persistence and demyelination in resistant strains. In contrast, in susceptible strains, CD8+ T cells do not provide protection against chronic demyelinating disease. Furthermore, in persistent TMEV infection of the central nervous system, neurologic deficits appear to result either from the absence of a protective class II-restricted immune response or from the presence of a pathogenic class I-restricted response.

Original languageEnglish (US)
Pages (from-to)7320-7329
Number of pages10
JournalJournal of Virology
Volume72
Issue number9
StatePublished - Sep 1998

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nervous system diseases
sclerosis
Demyelinating Diseases
Nervous System Diseases
Multiple Sclerosis
T-lymphocytes
T-Lymphocytes
Theilovirus
nervous system
mice
Neurologic Manifestations
Virus Diseases
infection
Chronic Disease
central nervous system diseases
viruses
delayed hypersensitivity
Viruses
chronic diseases
Central Nervous System Diseases

ASJC Scopus subject areas

  • Immunology

Cite this

Murray, P. D., Pavelko, K. D., Leibowitz, J., Lin, X., & Rodriguez, M. (1998). CD4+ and CD8+ T cells make discrete contributions to demyelination and neurologic disease in a viral model of multiple sclerosis. Journal of Virology, 72(9), 7320-7329.

CD4+ and CD8+ T cells make discrete contributions to demyelination and neurologic disease in a viral model of multiple sclerosis. / Murray, P. D.; Pavelko, K. D.; Leibowitz, J.; Lin, X.; Rodriguez, M.

In: Journal of Virology, Vol. 72, No. 9, 09.1998, p. 7320-7329.

Research output: Contribution to journalArticle

Murray, PD, Pavelko, KD, Leibowitz, J, Lin, X & Rodriguez, M 1998, 'CD4+ and CD8+ T cells make discrete contributions to demyelination and neurologic disease in a viral model of multiple sclerosis', Journal of Virology, vol. 72, no. 9, pp. 7320-7329.
Murray, P. D. ; Pavelko, K. D. ; Leibowitz, J. ; Lin, X. ; Rodriguez, M. / CD4+ and CD8+ T cells make discrete contributions to demyelination and neurologic disease in a viral model of multiple sclerosis. In: Journal of Virology. 1998 ; Vol. 72, No. 9. pp. 7320-7329.
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