Objective: To observe effects of prednisone on dendretic cells'(DC) apoptosis of acute-on-chronic liver failure (ACLF) rats and find out its relationship with Axl signal.Methods: Immunological hepatic fibrosis was induced by administration of bovine serum albumin to Wistar rats.D-galactosamine and lipopolysaccharide were simultaneously intraperitoneally injected to establish the ACLF models.Prednisone was dosed as treatment.Serum levels of liver function tests were detected on the time before the acute attack and 1 , 12 hours after the acut...