Title : Evidence for saturation of catechol-O-methyltransferase by low concentrations of noradrenaline in perfused lungs of rats.

Pub. Date : 1995 Apr

PMID : 7630431






3 Functional Relationships(s)
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1 Previous studies on the pulmonary removal and metabolism of catecholamines in rat lungs have shown that, when the lungs are perfused with a low concentration (1 nmol/l) of noradrenaline, the amine is metabolized by catechol-O-methyltransferase (COMT) and monoamine oxidase (MAO), but is predominantly O-methylated, and the activities of COMT and MAO are 0.357 min-1 and 0.186 min-1, respectively. Catecholamines catechol-O-methyltransferase Rattus norvegicus
2 Previous studies on the pulmonary removal and metabolism of catecholamines in rat lungs have shown that, when the lungs are perfused with a low concentration (1 nmol/l) of noradrenaline, the amine is metabolized by catechol-O-methyltransferase (COMT) and monoamine oxidase (MAO), but is predominantly O-methylated, and the activities of COMT and MAO are 0.357 min-1 and 0.186 min-1, respectively. Catecholamines catechol-O-methyltransferase Rattus norvegicus
3 Previous studies on the pulmonary removal and metabolism of catecholamines in rat lungs have shown that, when the lungs are perfused with a low concentration (1 nmol/l) of noradrenaline, the amine is metabolized by catechol-O-methyltransferase (COMT) and monoamine oxidase (MAO), but is predominantly O-methylated, and the activities of COMT and MAO are 0.357 min-1 and 0.186 min-1, respectively. Catecholamines catechol-O-methyltransferase Rattus norvegicus