Prognostic role of the stromal cell derived factor-1 in patients with hepatitis B virus-related acute-on-chronic liver failure

Figure 1 Immunohistochemical staining for stromal cell derived factor-1 in livers. Stromal cell derived factor-1 (SDF-1) distribution was extended to bile ductule and hepatic progenitor cells. A: Strongly positive immunostaining in hepatitis B virus-related acute-on-chronic liver failure (ACLF) patients; B: Moderately positive immunostaining in chronic hepatitis B patients; C: Weakly positive immunostaining in healthy controls; D: Comparison of the SDF-1 average absorbance between ACLF group and other groups. A-C: 200 ×. SDF-1: Stromal cell derived factor-1; ACLF: Acute-on-chronic liver failure; CHB: Chronic hepatitis B.