Methoxsalen

Publication Title: 
British Journal of Clinical Pharmacology

AIMS: The study aimed to identify the specific human cytochrome P450 (CYP450) enzymes involved in the metabolism of artemisinin. METHODS: Microsomes from human B-lymphoblastoid cell lines transformed with individual CYP450 cDNAs were investigated for their capacity to metabolize artemisinin. The effect on artemisinin metabolism in human liver microsomes by chemical inhibitors selective for individual forms of CYP450 was investigated.

Author(s): 
Svensson, U. S.
Ashton, M.
Publication Title: 
Contact Dermatitis
Author(s): 
Clark, S. M.
Wilkinson, S. M.
Publication Title: 
Toxicological Sciences: An Official Journal of the Society of Toxicology

8-Methoxypsoralen (8-MOP) is a prototype photochemotherapeutic agent and used to treat various skin disorders such as psoriasis and cutaneous T-cell lymphoma. Animal studies demonstrate that repeated treatment with 8-MOP markedly increases the capacity of drug metabolism. In this study, we report that 8-MOP is a potent inducer of cytochrome P450 3A4 (CYP3A4) and carboxylesterase 2 (HCE2), two major human enzymes that catalyze oxidative and hydrolytic reactions, respectively.

Author(s): 
Yang, Jian
Yan, Bingfang
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