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Photomicrograph of the liver of the control group a) and AN B) groups showing negative expression of TGF-β. photomicrograph of liver of gentamicin treated group C) showing a significant increase of TGF-β1 with positive staining in hepatocytes and in the peri-portal area (arrows). Photomicrograph of liver in gentamicin + AN D) treated rats showing a marked decrease in TGF-β1 immunoreactivity (arrows). TGF-β1 IHC, bar = 50 μm.
