Potential of decursin to inhibit the human cytochrome P450 2J2 isoform

Boram Lee, Zhexue Wu, Sang Hyun Sung, Taeho Lee, Kyung Sik Song, Min Young Lee, Kwang Hyeon Liu

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

CYP2J2 enzyme is highly expressed in human tumors and carcinoma cell lines, and epoxyeicosatrienoic acids, CYP2J2-mediated metabolites, have been implicated in the pathologic development of human cancers. To identify a CYP2J2 inhibitor, 50 natural products obtained from plants were screened using astemizole as a CYP2J2 probe substrate in human liver microsomes. Of these, decursin noncompetitively inhibited CYP2J2-mediated astemizole O-demethylation and terfenadine hydroxylation activities with Ki values of 8.34 and 15.8μM, respectively. It also showed cytotoxic effects against human hepatoma HepG2 cells in a dose-dependent manner while it did not show cytotoxicity against mouse hepatocytes. The present data suggest that decursin is a potential candidate for further evaluation for its CYP2J2 targeting anti-cancer activities. Studies are currently underway to test decursin as a potential therapeutic agent for cancer.

Original languageEnglish
Pages (from-to)94-99
Number of pages6
JournalFood and Chemical Toxicology
Volume70
DOIs
StatePublished - Aug 2014

Keywords

  • CYP2J2
  • Cytotoxicity
  • Decursin
  • Drug interactions
  • Human liver microsomes

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