Neuroattenuation of vesicular stomatitis virus through picornaviral internal ribosome entry sites

Arun Ammayappan, Rebecca Nace, Kah-Whye Peng, Stephen J Russell

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Vesicular stomatitis virus (VSV) is potent and a highly promising agent for the treatment of cancer. However, translation of VSV oncolytic virotherapy into the clinic is being hindered by its inherent neurotoxicity. It has been demonstrated that selected picornaviral internal ribosome entry site (IRES) elements possess restricted activity in neuronal tissues. We therefore sought to determine whether the picornavirus IRES could be engineered into VSV to attenuate its neuropathogenicity. We have used IRES elements from human rhinovirus type 2 (HRV2) and foot-and-mouth disease virus (FMDV) to control the translation of the matrix gene (M), which plays a major role in VSV virulence. In vitro studies revealed slowed growth kinetics of IRES-controlled VSVs in most of the cell lines tested. However, in vivo studies explicitly demonstrated that IRES elements of HRV2 and FMDV severely attenuated the neurovirulence of VSV without perturbing its oncolytic potency.

Original languageEnglish (US)
Pages (from-to)3217-3228
Number of pages12
JournalJournal of Virology
Volume87
Issue number6
DOIs
StatePublished - Mar 2013

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Vesiculovirus
Vesicular Stomatitis
ribosomes
Viruses
Human rhinovirus
Foot-and-Mouth Disease Virus
Rhinovirus
Foot-and-mouth disease virus
translation (genetics)
Oncolytic Virotherapy
Picornaviridae
neurotoxicity
in vivo studies
in vitro studies
Virulence
virulence
cell lines
Internal Ribosome Entry Sites
kinetics
Cell Line

ASJC Scopus subject areas

  • Immunology
  • Virology

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Neuroattenuation of vesicular stomatitis virus through picornaviral internal ribosome entry sites. / Ammayappan, Arun; Nace, Rebecca; Peng, Kah-Whye; Russell, Stephen J.

In: Journal of Virology, Vol. 87, No. 6, 03.2013, p. 3217-3228.

Research output: Contribution to journalArticle

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