conversely , the addition of the specific plasmalemmal calcium chelator , egta , or displacer , la3+ , or of the anticalmodulin drugs , w-13 and calmidazolium ( or r24571 : an agent hardly entering cells ) fully inhibited the mitogenic activities of tumour promoters in quiescent and intra-cycle-blocked hepatocytes , while having no effect on untreated or xenobiotic-treated liver cells already cycling by themselves .
C0007603
plasmalemmal
C0007634
cells