Clearance of virus infection from the CNS

Diane Griffin, Talibah Metcalf

Research output: Contribution to journalArticle

Abstract

Viruses that cause encephalomyelitis infect neurons and recovery from infection requires noncytolytic clearance of virus from the nervous system to avoid damaging these irreplaceable cells. Several murine model systems of virus infection have been used to identify clearance mechanisms. Quantitative analysis of Sindbis virus clearance over 6 months shows three phases: day 5-7, clearance of infectious virus, but continued presence of viral RNA; day 8-60, decreasing levels of viral RNA; day 60-180, maintenance of viral RNA at low levels. Antiviral antibody and interferon-γ have major roles in clearance with a likely role for IgM as well as IgG antibody. Long-term residence of virus-specific immune cells in the nervous system is necessary to prevent virus reactivation.

Original languageEnglish (US)
Pages (from-to)216-221
Number of pages6
JournalCurrent Opinion in Virology
Volume1
Issue number3
DOIs
StatePublished - 2011

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Virus Diseases
Viruses
Viral RNA
Nervous System
Sindbis Virus
Encephalomyelitis
Antibodies
Interferons
Antiviral Agents
Immunoglobulin M
Immunoglobulin G
Maintenance
Neurons
Infection

ASJC Scopus subject areas

  • Virology

Cite this

Clearance of virus infection from the CNS. / Griffin, Diane; Metcalf, Talibah.

In: Current Opinion in Virology, Vol. 1, No. 3, 2011, p. 216-221.

Research output: Contribution to journalArticle

Griffin, Diane ; Metcalf, Talibah. / Clearance of virus infection from the CNS. In: Current Opinion in Virology. 2011 ; Vol. 1, No. 3. pp. 216-221.
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