in contrast , neither exogenous 8-bromo cyclic amp nor elevation of endogenous cyclic amp with cholera toxin inhibited 14c-arachidonic acid release or labelled prostaglandin formation by [ 1-14c ] -arachidonic acid-prelabelled macrophages stimulated with either a23187 or melittin .
C0000661
8-bromo cyclic amp
C0001455
cyclic amp