verapamil and prenylamine , which antagonize calcium influx into heart muscle cells , dibenamine and propanolol , alpha and beta adrenergic bockers , respectively , and prostaglandin e1 , which acts on permeability of cell membranes and on adrenergic neurotransmission , were all shown to markedly reduce the severity of heart lesions in um-x7.1 cardiomyopathic hamsters .
C0018787
heart
C0878544
cardiomyopathic