Development and Applications of VSV Vectors Based on Cell Tropism.

Authors:
Address: Special Pathogens Laboratory, Department of Virology I, National Institute of Infectious Diseases, Musashimurayama Tokyo, Japan.
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Free Text: Development and Applications of VSV Vectors Based on Cell Tropism.

abstract

Viral Vectors have been available in various fields such as medical and biological research or gene therapy Applications. Targeting vectors pseudotyped with distinct viral envelope proteins that influence Cell Tropism and transfection efficiency are useful tools not only for examining entry mechanisms or cell tropisms but also for vaccine vector Development. Vesicular stomatitis virus (VSV) is an excellent candidate for development as a pseudotype vector. A recombinant VSV lacking its own envelope (G) gene has been used to produce a pseudotype or recombinant VSV possessing the envelope proteins of heterologous viruses. These viruses possess a reporter gene instead of a VSV G gene in their genome, and therefore it is easy to evaluate their infectivity in the study of viral entry, including identification of viral receptors. Furthermore, advantage can be taken of a property of the pseudotype VSV, which is competence for single-round infection, in handling many different viruses that are either difficult to amplify in cultured cells or animals or that require specialized containment facilities. Here we describe procedures for producing pseudotype or recombinant VSVs and a few of the more prominent examples from envelope viruses, such as hepatitis C virus, Japanese encephalitis virus, baculovirus, and hemorrhagic fever viruses.

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