the elevation of the synovial cell plasminogen activator activity by the two stimuli is potentiated both by agents which can raise cellular cyclic amp levels , namely prostaglandin e2 , cholera toxin and 3-isobutyl-1-methylxanthine , and also by exogenous 8-bromocyclic amp .
C0001455
cyclic amp
C0000661
8-bromocyclic amp