Animals 8 liver necrosis 8 nonhuman 8 4 dimethylaminoazobenzene 6 Carcinoma, Hepatocellular 6 Heme Oxygenase-1 6 Liver Neoplasms 6 Male 6 Mice 6 Mice, Inbred Strains 6 Western blotting 6 animal cell 6 animal experiment 6 animal tissue 6 article 6 controlled study 6 heme oxygenase 1 6 immunohistochemistry 6 liver cell carcinoma 6 macrophage 6 male 6 mouse strain 6 oxidative stress 6 p-Dimethylaminoazobenzene 6 protein expression 6 Carcinogens 4 Cell Cycle 4 Cell Cycle Proteins 4 Drug Administration Schedule 4 Gene Expression Regulation, Enzymologic 4