the affinity of amiloride to the alpha- and beta-adrenoceptor subtypes was determined by radioligand binding assays using [ 125i ] be 2254 binding to rat liver plasma membranes ( alpha 1-subtype ) , [ 3h ] yohimbine binding to human platelet membranes ( alpha 2-subtype ) , ( - ) - [ 125i ] iodocyanopindolol ( icyp ) binding to rabbit lung membranes in presence of the beta 2-adrenoceptor antagonist ici 118,551 ( beta 1-subtype ) and icyp binding to rat lung membranes in presence of the beta 1-blocker atenolol ( beta 2-subtype ) .
C0086418
human
C0001643
beta 2-adrenoceptor