administration of isoprenaline caused dose-related increases in noradrenaline ( 94 % at the highest dose ) and renin activity ( 189 % ) , but decreases in acth ( 25 % ) and adrenaline ( 20 % ) , findings inconsistent with simultaneous activation of these systems by circulating beta-adrenoceptor agonists .
C0028351
noradrenaline
C0014563
adrenaline