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. 2010 May 10;400(2):187-96.
doi: 10.1016/j.virol.2010.01.025. Epub 2010 Feb 20.

Vesicular stomatitis virus infects resident cells of the central nervous system and induces replication-dependent inflammatory responses

Vinita S Chauhan  1 , Samantha R Furr, David G Sterka Jr, Daniel A Nelson, Megan Moerdyk-Schauwecker, Ian Marriott, Valery Z Grdzelishvili
Affiliations
Free article

Vesicular stomatitis virus infects resident cells of the central nervous system and induces replication-dependent inflammatory responses

Vinita S Chauhan et al. Virology. .
Free article

Abstract

Vesicular stomatitis virus (VSV) infection of mice via intranasal administration results in a severe encephalitis with rapid activation and proliferation of microglia and astrocytes. We have recently shown that these glial cells express RIG-I and MDA5, cytosolic pattern recognition receptors for viral RNA. However, it is unclear whether VSV can replicate in glial cells or if such replication is required for their inflammatory responses. Here we demonstrate that primary microglia and astrocytes are permissive for VSV infection and limited productive replication. Importantly, we show that viral replication is required for robust inflammatory mediator production by these cells. Finally, we have confirmed that in vivo VSV administration can result in viral infection of glial cells in situ. These results suggest that viral replication within resident glial cells might play an important role in CNS inflammation following infection with VSV and possibly other neurotropic nonsegmented negative-strand RNA viruses.

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