Immunoglobulins and complement in demyelination induced in mice by Theiler's virus

M. Rodriguez, Claudia F Lucchinetti, R. J. Clark, T. L. Yaksh, H. Markowitz, Vanda A Lennon

Research output: Contribution to journalArticle

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Abstract

Intracerebral inoculation of Theiler's murine encephalomyelitis virus (TMEV) produces chronic demyelination and persistent infection in the central nervous system (CNS) of susceptible SJL mice. This series of experiments examined the contribution of humoral immunity and C to myelin destruction. As in multiple sclerosis, mice persistently infected with TMEV had elevated levels of IgG and oligoclonal bands in the cerebrospinal fluid (CSF). Immunoblot studies revealed that even in animals exhibiting profound demyelination, IgG in the serum and CSF was directed primarily at virus antigen rather than at normal myelin components. Inflammatory cells positive for Ig were distributed mainly around blood vessels, but occasionally they infiltrated the spinal cord parenchyma. Rare examples of myelin sheaths positive for IgG were found by immunoelectron microscopy in spinal cord sections from infected mice; the third component of complement (C3) was commonly found in the walls of CNS blood vessels but not on myelin. Neither serum nor CSF IgG from infected mice bound to myelin sheaths or other CNS components in sections of normal syngeneic spinal cord. There were significantly more demyelinating lesions in infected mice depleted of C components with cobra venom factor. These data do not support a humoral autoimmune basis for the CNS demyelination that occurs in association with persistent TMEV infection. However, the humoral immune response directed at TMEV antigens may either limit virus spread or promote virus persistence.

Original languageEnglish (US)
Pages (from-to)800-806
Number of pages7
JournalJournal of Immunology
Volume140
Issue number3
StatePublished - 1988

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Theilovirus
Demyelinating Diseases
Myelin Sheath
Immunoglobulins
Immunoglobulin G
Cerebrospinal Fluid
Spinal Cord
Central Nervous System
Humoral Immunity
Viruses
Blood Vessels
Oligoclonal Bands
Antigens
Central Nervous System Infections
Complement C3
Immunoelectron Microscopy
Virus Diseases
Serum
Multiple Sclerosis

ASJC Scopus subject areas

  • Immunology

Cite this

Immunoglobulins and complement in demyelination induced in mice by Theiler's virus. / Rodriguez, M.; Lucchinetti, Claudia F; Clark, R. J.; Yaksh, T. L.; Markowitz, H.; Lennon, Vanda A.

In: Journal of Immunology, Vol. 140, No. 3, 1988, p. 800-806.

Research output: Contribution to journalArticle

Rodriguez, M, Lucchinetti, CF, Clark, RJ, Yaksh, TL, Markowitz, H & Lennon, VA 1988, 'Immunoglobulins and complement in demyelination induced in mice by Theiler's virus', Journal of Immunology, vol. 140, no. 3, pp. 800-806.
Rodriguez, M. ; Lucchinetti, Claudia F ; Clark, R. J. ; Yaksh, T. L. ; Markowitz, H. ; Lennon, Vanda A. / Immunoglobulins and complement in demyelination induced in mice by Theiler's virus. In: Journal of Immunology. 1988 ; Vol. 140, No. 3. pp. 800-806.
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