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Immunohistochemical staining for epithelial cell adhesion molecule expression in each group. A: Survival group after mesenchymal stem cell (MSC) treatment; B: Death group after MSC treatment; C: Survival group after DPBS treatment; D: Death group after DPBS treatment; E: Integrated optical density of immunohistochemical staining for EPCAM+ hepatocytes. Bar represents the mean ± SD (n = 5, aP < 0.05, bP < 0.001).
