in order to study the molecular mechanisms involved in the action of promoting agents during this stage , the regulation of the expression of genes for two enzymes of glutathione metabolism , gamma-glutamyl transpeptidase ( ggt ) and the placental isozyme of glutathione s-transferase ( gst-p ) , was studied under several different conditions of promotion during multistage hepatocarcinogenesis in the rat .
C0014442
enzymes
C0022173
isozyme