we have examined the mechanism of transformation of a line of immortalized hamster dermal fibroblasts ( 4dh2 cells ) following treatment with the simple alkylating agents , n-methyl-n-nitrosourea ( mnu ) , n-ethyl-n-nitrosourea ( enu ) and dimethyl sulphate ( dms ) .
C0016030
fibroblasts
C0007634
cells