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Nitecapone (Synonyms: OR-462)

Catalog No.GC14223

La nitecapone (OR-462) est un inhibiteur de la catéchol-O-méthyltransférase (COMT) actif par voie orale et À courte durée d'action, doté de propriétés gastroprotectrices et antioxydantes.

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Nitecapone Chemical Structure

Cas No.: 116313-94-1

Taille Prix Stock Qté
5mg
102,00 $US
En stock
10mg
194,00 $US
En stock
25mg
406,00 $US
En stock

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Sample solution is provided at 25 µL, 10mM.

Description Chemical Properties Product Documents Related Products

Nitecapone is S-COMT inhibitor [1].

Catechol-O-methyltransferase (COMT) plays an essential role in normal brain function and has been implicated in human disorders, such as Parkinson's disease. The COMT has been involved in the degradation of catecholamines including dopamine, epinephrine, and norepinephrine. [1].

In vitro: Nitecapone is a highly effective inhibitor of rat S-COMT with IC50 values of about 300 nM in the liver and 20 nM in the brain tissues. The Ki value in the rat liver was 23 nM. In pure recombinant COMT enzyme forms, the Ki value of nitecapone was around 1 nM [1]. Nitecapone was selective for COMT, inhibiting dopamine-β-hydroxylase, tyrosine hydroxylase, DOPA decarboxylase, and monoamine oxidase-A/B with IC50 values in the micromolar range [1].

In vivo: In rats, oral administration of nitecapone (3-30 mg/kg) in combination with levodopa and carbidopa effectively reduced 3-OMD formation and elevated serum and brain l-dopa, dopamine, DOPAC, and HVA levels. Nitecapone prevented ischemia-reperfusion injury in experimental heart surgery in rats. Nitecapone increased bicarbonate secretion from rat and human duodenum after both i.v. and intraluminal administration. High concentrations of nitecapone increased synthesis and secretion of gastric sulfomucin [1].

Reference:
[1] Mnnist P T, Kaakkola S.  Catechol-O-methyltransferase (COMT): biochemistry, molecular biology, pharmacology, and clinical efficacy of the new selective COMT inhibitors[J]. Pharmacological reviews, 1999, 51(4): 593-628.

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