when perfused with the isoproterenol , 10 microm adenosine reduced the catecholamine-produced increase in camp , camp-dependent protein kinase , and phosphorylase by 30-40 % , and the elevation in left ventricular pressure and rate of ventricular pressure development by 40-70 % within 40 seconds .
C0022245
isoproterenol
C0007412
catecholamine