Hepatitis C virus (HCV) infection is a global threat to human health with an estimated 1.75 million new cases in 2015. Our previous studies showed that the ethyl acetate extraction of Daphne papyracea exhibited an inhibitory effect towards the HCV NS3/4A protease and eight compounds were identified
T-cell exhaustion has become an important issue in chronic infection because exhausted antigen-specific T cells show impaired abilities to eradicate persistently infected pathogens and produce effector cytokines, such as IFN-γ and TNF-α. Thus, strategies to either restore endogenous exhausted T cell