because pge2 is known to increase the intracellular concentration of 3',5 ' cyclic adenosine monophosphate ( camp ) , we investigated the effect of another adenylate cyclase activator , i.e. , isoproterenol , as well as the effect of extracellular administration of the camp derivative dibutyryl camp ( dbcamp ) on il 2 production , tac antigen expression , and transferrin receptor expression .
C0001455
camp
C0012054
camp