Figure 1. Schematic Illustration of Roles of Exosomes Derived From Liver Cells in Physiological and Pathological Condition, as Prognostic as Well as Diagnostic Biomarker, and as the Future Therapeutic Vehicles.

(Abbreviations: Exosomes; hhl, hedgehog ligand; HCV, hepatitis C virus; PG E2, prostaglandin E2; HCC, hepatocellular carcinoma; BMSC, bone marrow stromal cells; LNPCs, liver non parenchymal cells; HB, hepatitis B virus; NKT, natural killer cells; and HLSC, human adult liver stem cells).