AFP and hepatocellular carcinoma: hepatocellular carcinoma (HCC) activity chemically induced in rats (N-nitrosodiethylamine; in vivo research)increase in the level of ING-3 in liver cellsdecreased expression of the Foxp-1 gene in the liverreduction of serum AFP, CEA and GPC-3 levelspositive histological changes in the liver tissue