Nitric oxide synthase activities in human myocardium. 1993

A J de Belder, and M W Radomski, and H J Why, and P J Richardson, and C A Bucknall, and E Salas, and J F Martin, and S Moncada
Department of Cardiology, King's College Hospital, London, UK.

Myocardial constitutive and inducible nitric oxide (NO) synthase activities were measured in right ventricular tissue from 17 patients with dilated cardiomyopathy (DCM). A significant activity of inducible enzyme was accompanied by a low activity of the constitutive NO synthase. Thus, the myocardium has the capacity to express both NO synthases. NO may have a physiological as well as a pathological role in the human myocardium.

UI MeSH Term Description Entries
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D002118 Calcium A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D002311 Cardiomyopathy, Dilated A form of CARDIAC MUSCLE disease that is characterized by ventricular dilation, VENTRICULAR DYSFUNCTION, and HEART FAILURE. Risk factors include SMOKING; ALCOHOL DRINKING; HYPERTENSION; INFECTION; PREGNANCY; and mutations in the LMNA gene encoding LAMIN TYPE A, a NUCLEAR LAMINA protein. Cardiomyopathy, Congestive,Congestive Cardiomyopathy,Dilated Cardiomyopathy,Cardiomyopathy, Dilated, 1a,Cardiomyopathy, Dilated, Autosomal Recessive,Cardiomyopathy, Dilated, CMD1A,Cardiomyopathy, Dilated, LMNA,Cardiomyopathy, Dilated, With Conduction Defect 1,Cardiomyopathy, Dilated, with Conduction Deffect1,Cardiomyopathy, Familial Idiopathic,Cardiomyopathy, Idiopathic Dilated,Cardiomyopathies, Congestive,Cardiomyopathies, Dilated,Cardiomyopathies, Familial Idiopathic,Cardiomyopathies, Idiopathic Dilated,Congestive Cardiomyopathies,Dilated Cardiomyopathies,Dilated Cardiomyopathies, Idiopathic,Dilated Cardiomyopathy, Idiopathic,Familial Idiopathic Cardiomyopathies,Familial Idiopathic Cardiomyopathy,Idiopathic Cardiomyopathies, Familial,Idiopathic Cardiomyopathy, Familial,Idiopathic Dilated Cardiomyopathies,Idiopathic Dilated Cardiomyopathy
D004790 Enzyme Induction An increase in the rate of synthesis of an enzyme due to the presence of an inducer which acts to derepress the gene responsible for enzyme synthesis. Induction, Enzyme
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000594 Amino Acid Oxidoreductases A class of enzymes that catalyze oxidation-reduction reactions of amino acids. Acid Oxidoreductases, Amino,Oxidoreductases, Amino Acid
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus
D019001 Nitric Oxide Synthase An NADPH-dependent enzyme that catalyzes the conversion of L-ARGININE and OXYGEN to produce CITRULLINE and NITRIC OXIDE. NO Synthase,Nitric-Oxide Synthase,Nitric-Oxide Synthetase,Nitric Oxide Synthetase,Oxide Synthase, Nitric,Synthase, Nitric Oxide

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