the other two groups of tumors are at least 10 times more sensitive to inhibition of platelet aggregation by elevation of cyclic amp levels ( prostacyclin , 6-keto-pge1 , dibutyryl cyclic amp ) and at least 10 times more sensitive to inhibition of prostaglandin synthesis ( indomethacin , ibuprofen ) .
C0001455
cyclic amp
C0012054
dibutyryl cyclic amp