The effect of subsequent administration of phenobarbital on the
gammaglutamyltranspeptidase (GGT) activity and on the remodeling of nodules induced by …

A chronic 8 to 11 week administration of the hepatic tumor promoter phenobarbital (0.05% in
drinking water) to rats previously subjected to the initiation: selection process of Solt and …

The promoting activities of phenobarbital(PB) on the development of ƒÁ-glutamyl
transpeptidase-positive(ƒÁ-GT• ôUH• ô+• ôUS• ô) foci in rat liver with three different initiating …

The incidence of gamma-glutamyltranspeptidase (GGT)-positive foci induced by 0.3
mmol/kg diethylnitrosamine (DENA) followed by promotion with 500 ppm sodium …

The effect of concurrent administration of phenobarbital on the hepatocarcinogenicity of N-
nitrosodiethylamine (diethylnitrosamine; DENA) in rats was investigated by determination of …

The effects of 3-aminobenzamide (ABA), a representative inhibitor of poly (ADP-ribose)
polymerase, on the induction of γ-glutamyl-transpeptidase (GGT)-positive foci, an early …

To extend our ongoing characterization of modulatory influences on hepatic tumorigenesis,
we examined effects of rat strain (Sprague-Dawley versus Fischer), diet composition …

The ability of hexachlorobenzene and lindane in diethylnitrosamine (DENA) pretreated rats
to enhance the incidence of gamma-glutamyltrans-peptidase (GGTase)-positive foci was …

The promotion potential of phenobarbital (PB) and 3′-methyl-4-dimethylaminoazobenzene
(3′-Me-DAB) on liver carcinogenesis after initiation with various doses of …

An initiation/promotion bioassay for chemical carcinogens and tumor promoters has been
developed in rat liver using presumed preneoplastic lesions, foci of gamma …