Methods, uses and compositions for treatment of an infection by a virus of the family of flaviviridae through the farnesoid X receptor (FXR) inhibition

摘要

The present invention relates to uses, methods and compositions for modulating replication of viruses of the Flaviviridae family, such as hepatitis C virus, through the farnesoid X receptor (FXR) activation or inhibition. More specifically, the invention relates to the use of an antagonist of FXR or an inhibitor of expression thereof for the manufacture of a medicament intended for treating a Flaviviridae virus infection in a subject in need thereof. The invention encompasses the use of antagonists of FXR, such as guggulsterone, or use of inhibitors of FXR expression. The invention relates also to a cell culture system allowing the replication of HCV and to methods for diagnosing HCV infection, screening of anti-viral compounds and vaccine or viral protein production.