Identification of a growth factor produced by human fibroblasts in vitro as putrescine.
D002455:Cell Division / Q000187:drug effects*; D002478:Cells, Cultured; D003260:Contact Inhibition; D003470:Culture Media / Q000032:analysis; D004622:Embryo, Mammalian / Q000166:cytology; D005347:Fibroblasts / Q000378:metabolism; D006133:Growth Substances; D006801:Humans; D007700:Kinetics; D011073:Polyamines / Q000494:pharmacology*; D011700:Putrescine / Q000096:biosynthesis / Q000302:isolation & purification / Q000494:pharmacology; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
D003470:Culture Media; D006133:Growth Substances; D011073:Polyamines; D014316:Tritium; D011700:Putrescine; D013936:Thymidine