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FEBS Lett. 2012 Jul 30;586(16):2318-25. doi: 10.1016/j.febslet.2012.05.023. Epub 2012 May 31.

HSC90 is required for nascent hepatitis C virus core protein stability in yeast cells.

Author information

1
Laboratory of Molecular and Biochemical Toxicology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan.

Abstract

Hepatitis C virus core protein (Core) contributes to HCV pathogenicity. Here, we demonstrate that Core impairs growth in budding yeast. We identify HSP90 inhibitors as compounds that reduce intracellular Core protein level and restore yeast growth. Our results suggest that HSC90 (Hsc82) may function in the protection of the nascent Core polypeptide against degradation in yeast and the C-terminal region of Core corresponding to the organelle-interaction domain was responsible for Hsc82-dependent stability. The yeast system may be utilized to select compounds that can direct the C-terminal region to reduce the stability of Core protein.

PMID:
22659183
DOI:
10.1016/j.febslet.2012.05.023
[Indexed for MEDLINE]
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