putrescine and spermidine depletion produced by alpha-difluoromethylornithine , an irreversible inhibitor or ornithine decarboxylase ( ec 4.1.1.17 ) , resulted in a strikingly enhanced cellular uptake of methylglyoxal bis ( guanylhydrazone ) in cultured ehrlich ascites carcinoma cells and human lymphocytic leukemia cells .
C0034170
putrescine
C0037871
depletion