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Injection of the Sciatic Nerve with TMEV: a New Model for Peripheral Nerve Demyelination

Overview
Journal Virology
Specialty Microbiology
Date 2006 Oct 10
PMID 17028060
Citations 6
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Abstract

Demyelination of the human peripheral nervous system (PNS) can be caused by diverse mechanisms including viral infection. Despite association of several viruses with the development of peripheral demyelination, animal models of the condition have been limited to disease that is either autoimmune or genetic in origin. We describe here a model of PNS demyelination based on direct injection of sciatic nerves of mice with the cardiovirus, Theiler's murine encephalomyelitis virus (TMEV). Sciatic nerves of FVB mice develop inflammatory cell infiltration following TMEV injection. Schwann cells and macrophages are infected with TMEV. Viral replication is observed initially in the sciatic nerves and subsequently the spinal cord. Sciatic nerves are demyelinated by day 5 post-inoculation (p.i.). Injecting sciatic nerves of scid mice resulted in increased levels of virus recovered from the sciatic nerve and spinal cord relative to FVB mice. Demyelination also occurred in scid mice and by 12 days p.i., hindlimbs were paralyzed. This new model of virus-induced peripheral demyelination may be used to dissect processes involved in protection of the PNS from viral insult and to study the early phases of lesion development.

Citing Articles

Surgically Induced Demyelination in Rat Sciatic Nerve.

Rayilla R, Naidu M, Prakash Babu P Brain Sci. 2023; 13(5).

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Host genetic diversity drives variable central nervous system lesion distribution in chronic phase of Theiler's Murine Encephalomyelitis Virus (TMEV) infection.

Lawley K, Rech R, Elenwa F, Han G, Perez Gomez A, Amstalden K PLoS One. 2021; 16(8):e0256370.

PMID: 34415947 PMC: 8378701. DOI: 10.1371/journal.pone.0256370.


Comparison of Theiler's Murine Encephalomyelitis Virus Induced Spinal Cord and Peripheral Nerve Lesions Following Intracerebral and Intraspinal Infection.

Jin W, Leitzen E, Goebbels S, Nave K, Baumgartner W, Hansmann F Int J Mol Sci. 2019; 20(20).

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Virus-triggered spinal cord demyelination is followed by a peripheral neuropathy resembling features of Guillain-Barré Syndrome.

Leitzen E, Raddatz B, Jin W, Goebbels S, Nave K, Baumgartner W Sci Rep. 2019; 9(1):4588.

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The L-coding region of the DA strain of Theiler's murine encephalomyelitis virus causes dysfunction and death of myelin-synthesizing cells.

Ghadge G, Wollmann R, Baida G, Traka M, Roos R J Virol. 2011; 85(18):9377-84.

PMID: 21752920 PMC: 3165738. DOI: 10.1128/JVI.00178-11.


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