A distinctive antigen present in liver carcinomas induced by 3'-methyl-p-dimethylaminoazobenzene

Hepatocellular carcinomas and cholangiocarcinomas induced in rat liver by the administration of 3'-methyl-p-dimethyl-aminoazobenzene (3'-Me-DAB) were found to contain a carcinoma distinctive antigen by immunofluorescence, immunoelectrophoresis and immunodiffusion. This carcinoma distinctive antigen does not appear to be alpha-fetoprotein (AFP) or the preneoplastic antigen.