a simple desensitization protocol was set up using capsaicin and isolated , spontaneously beating atria of guinea-pigs to assess the possible participation of cardiac , capsaicin-sensitive , substance p ( sp ) - and calcitonin gene-related peptide ( cgrp ) -containing sensory nerve fibres , in the cardiac stimulatory effects of bradykinin ( bk ) , kallidin ( kd ) , 5-hydroxytryptamine ( 5-ht ) , histamine , prostaglandin e2 ( pge2 ) , prostaglandin e1 ( pge1 ) , prostaglandin f2 alpha , ( pgf2 alpha ) , adrenaline ( ad ) , glucagon , nicotine and angiotensin ii ( aii ) .
C0006100
bradykinin
C0022474
kallidin