Comparison of the Treatment Efficiency of Bone Marrow-Derived Mesenchymal Stem Cell Transplantation via Tail and Portal Veins in CCl₄-Induced Mouse Liver Fibrosis

Table 3

Histological grading and staging of chronic hepatitis in experimental groups according to the Knodell-Ishak index (Ishak-modified HAI).

Group	Necroinflammatory scores	Architectural changes, fibrosis, and cirrhosis
Control	1/18	0/6
Model (CCl4)	10/18–15/18	3–5/6
Placebo-Ta	6/18–13/18	1/6 (66.7%), 0/6 (33.3%) ()
BM-MSCs-Ta	2/18–5/18	0/6 (100%) ()
Placebo-Po	4/18–12/18	1/6 (66.7%), 0/6 (33.3%) ()
BM-MSCs-Po	4/18–6/18	0/6 (100%) ()