the effects of alpha-difluoromethylornithine ( dfmo ) , an ornithine analogue which is an ornithine decarboxylase inhibitor , on the actions of the topoisomerase ii-reactive agents 4'- ( 9-acridinylamino ) methanesulfon-m-anisidide ( m-amsa ) and etoposide ( vp-16 ) were investigated in 2 murine l1210 leukemia lines and 2 human hl-60 leukemia lines .
C0002260
alpha-difluoromethylornithine
C0029277
ornithine