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To elucidate the role of metal-related molecules in hepatocarcinogenesis, we examined immunolocalization of transferrin receptor (Tfrc), ceruloplasmin (Cp) and metallothionein (MT)-1/2 in relation to liver cell foci positive for glutathione-S-transferase placental form (GST-P) in the early stage of tumor promotion by fenbendazole (FB), phenobarbital, piperonyl butoxide or thioacetamide in a rat two-stage...
Wy-14,643 (WY), a peroxisome proliferator-activated receptor-alpha agonist, and piperonyl butoxide (PBO), a pesticide synergist, induce oxidative stress and promote hepatocarcinogenesis in the liver of rodents. These chemicals belong to a class of non-genotoxic carcinogens, but DNA damage secondary to the oxidative stress resulting from reactive oxygen species generation is suspected in rodents given...
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