the inhibitory effects of catecholamine ( isoproterenol ) , an adenylate cyclase stimulator , methylxanthine ( ibmx : 3-isobutyl-1-methyl-xanthine ) , a phosphodiesterase inhibitor and chemical mediators ( histamine , serotonin , bradykinin ) on compound 48/80-induced rpmc degranulation and also those of catecholamine , methylxanthine and chemical mediators on ige-anti ige complex-induced histamine release from rpmc were tested .
C0022245
isoproterenol
C0007412
catecholamine