Figure 1From: Prospects for personalizing antiviral therapy for hepatitis C virus with pharmacogeneticsProminent host and viral genetic factors that influence the outcome of IFN-based therapy for HCV. The best-documented host genetic factors that favor viral clearance and HCV factors that promote viral survival during therapy are indicated. HLA, human leukocyte antigen; ITPA, inosine triphosphatase; SNP, single-nucleotide polymorphism.Back to article page