Research Article

Upregulation of PDZK1 by Calculus Bovis Sativus May Play an Important Role in Restoring Biliary Transport Function in Intrahepatic Cholestasis

Figure 5

Immunohistochemistry for PDZK1 expression in rat livers. (a) Control group. (b) EE group. (c) 50 mg/kg CBS group. (d) 150 mg/kg CBS group. The upper right images of each figure are enlargements of the square areas indicating the partial drawing of PDZK1 on the hepatocytes. Positive staining (brown staining) products are denoted by black arrows. Magnification: ×400.
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