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Identification of human cytochrome P450 and UGT enzymes involved in the metabolism of ferulic acid, a major bioactive component in traditional Chinese medicines / 中国天然药物
Chinese Journal of Natural Medicines (English Ed.) ; (6): 695-702, 2017.
Artigo em Inglês | WPRIM | ID: wpr-812066
ABSTRACT
Ferulic acid (FA) is an active component of herbal medicines. One of the best documented activities of FA is its antioxidant property. Moreover, FA exerts antiallergic, anti-inflammatory, and hepatoprotective effects. However, the metabolic pathways of FA in humans remain unclear. To identify whether human CYP or UGT enzymes are involved in the metabolism of FA, reaction phenotyping of FA was conducted using major CYP-selective chemical inhibitors together with individual CYP and UGT Supersomes. The CYP- and/or UGT-mediated metabolism kinetics were examined simultaneously or individually. Relative activity factor and total normalized rate approaches were used to assess the relative contributions of each major human CYPs towards the FA metabolism. Incubations of FA with human liver microsomes (HLM) displayed NADPH- and UDPGA-dependent metabolism with multiple CYP and UGT isoforms involved. CYPs and UGTs contributed equally to the metabolism of FA in HLM. Although CYP1A2 and CYP3A4 appeared to be the major contributors in the CYP-mediated clearance, their contributions to the overall clearance are still minor (< 25%). As a constitute of many food and herbs, FA poses low drug-drug interaction risk when co-administrated with other herbs or conventional medicines because multiple phase I and phase II enzymes are involved in its metabolism.
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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Microssomos Hepáticos / Medicamentos de Ervas Chinesas / Cinética / Química / Glucuronosiltransferase / Ácidos Cumáricos / Sistema Enzimático do Citocromo P-450 / Medicina Tradicional Chinesa / Metabolismo Tipo de estudo: Estudo diagnóstico / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Chinese Journal of Natural Medicines (English Ed.) Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Microssomos Hepáticos / Medicamentos de Ervas Chinesas / Cinética / Química / Glucuronosiltransferase / Ácidos Cumáricos / Sistema Enzimático do Citocromo P-450 / Medicina Tradicional Chinesa / Metabolismo Tipo de estudo: Estudo diagnóstico / Estudo prognóstico Limite: Humanos Idioma: Inglês Revista: Chinese Journal of Natural Medicines (English Ed.) Ano de publicação: 2017 Tipo de documento: Artigo