in the cholecystokinin-treated animals ornithine decarboxylase activity was increased after 2 h , reached a maximum after 8 h ( 444.6 pmol 14co2 h-1 mg-1 dna , about 65-fold greater than controls , p less than 0.001 ) followed by a significant increase of putrescine after 6 h and spermidine after 24 h while spermine remained unchanged .
C0037871
h
C0037874
spermine