Factors associated with liver regeneration after partial hepatectomy (PHx) and partial liver transplantation (PLTx).Various factors are associated with liver regeneration after PHx and PLTx; moreover, the mode of regeneration is influenced by the amount of liver resection [4]. EGF, epidermal growth factor; HGF, hepatocyte growth factor; HIF-1α, hypoxia inducible factor 1-alpha; HSCs, hepatic stellate cells; IGF, insulin-like growth factor; IL, interleukin; LSECs, liver sinusoidal endothelial cells; LPCs, liver progenitor cells; LPS, lipopolysaccharide; NO, nitric oxide; PVP, portal vein pressure; TNF, tumor necrosis factor; VEGF, vascular endothelial growth factor.