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Hepatitis C Virus

Studies from Center for Applied Medical Research in the area of hepatitis C virus described

Published in Hepatitis Weekly, April 9th, 2007

A new study, "Upregulation of indoleamine 2,3-dioxygenase in hepatitis C virus infection," is now available. According to a study from Pamplona, Spain, "Indoleamine 2,3-dioxygenase (IDO) is induced by proinflammatory cytokines and by CTLA-4-expressing T cells and constitutes an important mediator of peripheral immune tolerance. In chronic hepatitis C, we found upregulation of IDO expression in the liver and an increased serum kynurenine/tryptophan ratio (a reflection of IDO activity)."

"Huh7 cells supporting hepatitis C virus (HCV) replication expressed higher levels of IDO mRNA than noninfected cells when stimulated with gamma interferon or when cocultured with...

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