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FEBS Lett. 1999 Oct 8;459(2):205-10.

Knockout of the Sendai virus C gene eliminates the viral ability to prevent the interferon-alpha/beta-mediated responses.

Author information

1
Department of Microbiology, Fukui Medical University, Shimoaizuki 23-3, Matsuoka-cho, Yoshida-gun, Fukui, Japan. bin@fmsrsa.fukui-med.ac.jp

Abstract

Sendai virus (SeV) renders cells unresponsive to interferon (IFN)-alpha. To identify viral factors involved in this process, we examined whether recombinant SeVs, which could not express V protein, subsets of C proteins (C, C', Y1 and Y2) or any of four C proteins, retained the capability of impeding IFN-alpha-mediated responses. Among these viruses, only the 4C knockout virus completely lost the ability to suppress the induction of IFN-alpha-stimulated gene products and the subsequent establishment of an anti-viral state. These findings reveal crucial roles of the SeV C proteins in blocking IFN-alpha-mediated responses.

PMID:
10518019
DOI:
10.1016/s0014-5793(99)01241-7
[Indexed for MEDLINE]
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