The roles of the polyamines, putrescine, spermidine, and spermine in normal and malignant tissues.

Animals Carboxy-Lyases/metabolism DNA-Directed RNA Polymerases/metabolism Drug Synergism Humans Neoplasms/diagnosis,enzymology,metabolism,physiopathology,urine Ornithine Polyamines/biosynthesis,urine Putrescine/physiology RNA/biosynthesis S-Adenosylmethionine Spermidine/physiology Spermine/physiology Xenopus

Polyamines Spermine RNA S-Adenosylmethionine Ornithine DNA-Directed RNA Polymerases Carboxy-Lyases Spermidine Putrescine