and xanthine dehydrogenase ( ec.1.2.1.37 ) have been measured using luminol-enhanced chemiluminescence in four types of cell from the cardiovascular system ( neonatal and adult rat cardiac myocytes , rat aortic vascular smooth muscle cells , rat cardiac fibroblasts and human umbilical vein endothelial cells ) .
C0007226
cardiovascular system
C0018787
cardiac