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Low-magnification images of immunohistochemistry for proliferating cell nuclear antigen (PCNA) in liver samples from multidrug resistance protein 2 knockout (Mdr2KO) and FVB/NJ (FVBN) mice treated with vehicle and leptin-neutralizing antibody (Leptin-Ab). Arrows point to representative cells in which nuclei are stained for PCNA. Scale bars = 100 μm. C, cholangiocyte; H, hepatocyte; HSC, hepatic stellate cell.
