to determine which process of the beta-adrenoceptor.adenylate cyclase ( ac ) system is involved in the decreased responsiveness to beta-adrenoceptor stimulation , relaxant responses to forskolin and dibutyryl cyclic amp ( db cyclic amp ) were compared strips of femoral and mesenteric arteries isolated from 13 week-old shr and age-matched wky .
C0012054
dibutyryl cyclic amp
C0001455
cyclic amp