agents such as dimethylsulfoxide , n , n'-dimethylformamide and bisacetyldiaminopentane that induce erythroid differentiation of friend leukemia cells , cause a rapid increase in ornithine decarboxylase ( ec 4.1.1.17 ) activity in intact cells during the 'latent ' period preceding the accumulation of hemoglobin-containing cells .
C0007589
differentiation
C0007634
the