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Expression of TIMP-1antigen by immunohistochemical staining. 10×10 A: (Control group): There was only a weak expression of TIMP-1 antigen in individual liver cells and hepatic stellate cells (HSCs); B: (CCl4 group): The expression of TIMP-1 was detected in cytoplasm of most hepatic cells; C: (CCl4+OM group): There was a significant decline of the expression of TIMP-1 in CCl4+OM group, as compared with that in CCl4 group.
