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Hepatitis C Virus

Hepatitis C virus protease functions in evasion of innate immunity

Published in Hepatitis Weekly, February 6th, 2006

According to a study from the United States, hepatitis C virus (HCV) protease NS3/4A cleaves mitochondrial antiviral siqnalinq protein off the mitochondria to evade innate immunity.

"HCV is a global epidemic manifested mainly by chronic infection. One strategy that HCV employs to establish chronic infection is to use the viral Ser protease NS3/4A to cleave some unknown cellular targets involved in innate immunity."

"Here we show that the target of NS3/4A is the mitochondrial antiviral signaling protein, MAVS, that activates NF-kappa B and IFN regulatory factor 3 to induce type-1 interferons," wrote X.D. Li and colleagues, University of Texas,...

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