Fig. 1
From: Mesenchymal stem cell-based Smad7 gene therapy for experimental liver cirrhosis
CCl4-induced liver fibrosis assessed by Masson’s trichrome staining (× 400). a Normal rat liver tissue as control. b Rat liver tissue obtained at 4 weeks after injection of CCl4 (prior to cirrhosis). c Typical liver cirrhosis tissue section after injection of CCl4 for 8 weeks. d Histological scores for liver fibrosis (n = 5 for each group). ***P < 0.001 comparing with the control group