the myocardium from nonfailing hearts had significantly ( p less than 0.01 ) higher numbers of beta-adrenoceptors ( 104 +/- 7 fmol/mg protein ) compared with tissue from moderately ( mitral valve disease , new york heart association [ nyha ] class ii to iii , 60 +/- 2.8 fmol/mg protein ) and terminally ( dilated cardiomyopathy , nyha class iv , 35 +/- 2.7 fmol/mg protein ) failing human hearts .
C0001643
beta-adrenoceptors
C0086418
human