the mechanism of spermidine-induced ornithine decarboxylase ( odc , e.c . 4.1.1.17 ) inactivation was investigated using chinese hamster ovary ( cho ) cells , maintained in serum-free medium , which display a stabilization of odc owing to the lack of accumulation of putrescine and spermidine ( glass and gerner : biochem .
C0037871
induced
C0034170
putrescine