In vitro metabolism of pyranocoumarin isomers decursin and decursinol angelate by liver microsomes from man and rodents

Li Li, Jinhui Zhang, Chengguo Xing, Sung Hoon Kim, Cheng Jiang, Junxuan Lü

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The aim of this study is to investigate and compare the metabolic rate and profiles of pyranocoumarin isomers decursin and decursinol angelate using liver microsomes from humans and rodents, and to characterize the major metabolites of decursin and decursinol angelate in human liver microsomal incubations using LC-MS/MS. First, we conducted liver microsomal incubations of decursin and decursinol angelate in the presence or absence of NADPH. We found that in the absence of NADPH, decursin was efficiently hydrolyzed to decursinol by hepatic esterase(s), but decursinol angelate was not. In contrast, formation of decursinol from decursinol angelate was mediated mainly by cytochrome P450(s). Second, we measured the metabolic rate of decursin and decursinol angelate in liver S9 fractions from mice and humans. We found that human liver S9 fractions metabolized both decursin and decursinol angelate more slowly than those of the mouse. Third, we characterized the major metabolites of decursin and decursinol angelate from human liver microsomes incubations using HPLC-UV and LC-MS/MS methods and assessed the in vivo metabolites in mouse plasma from a one-dose PK study. Decursin and decursinol angelate have different metabolite profiles. Nine metabolites of decursin and nine metabolites of decursinol angelate were identified in human liver microsome incubations besides decursinol using a hybrid triple quadruple linear ion trap LC-MS/MS system, and many of them were later verified to be also present in plasma samples from rodent PK studies.

Original languageEnglish (US)
Pages (from-to)1536-1544
Number of pages9
JournalPlanta Medica
Volume79
Issue number16
DOIs
StatePublished - Sep 13 2013

Fingerprint

Pyranocoumarins
Liver Microsomes
Metabolism
Isomers
Liver
Rodentia
Metabolites
decursin
In Vitro Techniques
NADP

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry

Cite this

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title = "In vitro metabolism of pyranocoumarin isomers decursin and decursinol angelate by liver microsomes from man and rodents",
abstract = "The aim of this study is to investigate and compare the metabolic rate and profiles of pyranocoumarin isomers decursin and decursinol angelate using liver microsomes from humans and rodents, and to characterize the major metabolites of decursin and decursinol angelate in human liver microsomal incubations using LC-MS/MS. First, we conducted liver microsomal incubations of decursin and decursinol angelate in the presence or absence of NADPH. We found that in the absence of NADPH, decursin was efficiently hydrolyzed to decursinol by hepatic esterase(s), but decursinol angelate was not. In contrast, formation of decursinol from decursinol angelate was mediated mainly by cytochrome P450(s). Second, we measured the metabolic rate of decursin and decursinol angelate in liver S9 fractions from mice and humans. We found that human liver S9 fractions metabolized both decursin and decursinol angelate more slowly than those of the mouse. Third, we characterized the major metabolites of decursin and decursinol angelate from human liver microsomes incubations using HPLC-UV and LC-MS/MS methods and assessed the in vivo metabolites in mouse plasma from a one-dose PK study. Decursin and decursinol angelate have different metabolite profiles. Nine metabolites of decursin and nine metabolites of decursinol angelate were identified in human liver microsome incubations besides decursinol using a hybrid triple quadruple linear ion trap LC-MS/MS system, and many of them were later verified to be also present in plasma samples from rodent PK studies.",
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In vitro metabolism of pyranocoumarin isomers decursin and decursinol angelate by liver microsomes from man and rodents. / Li, Li; Zhang, Jinhui; Xing, Chengguo; Kim, Sung Hoon; Jiang, Cheng; Lü, Junxuan.

In: Planta Medica, Vol. 79, No. 16, 13.09.2013, p. 1536-1544.

Research output: Contribution to journalArticle

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T1 - In vitro metabolism of pyranocoumarin isomers decursin and decursinol angelate by liver microsomes from man and rodents

AU - Li, Li

AU - Zhang, Jinhui

AU - Xing, Chengguo

AU - Kim, Sung Hoon

AU - Jiang, Cheng

AU - Lü, Junxuan

PY - 2013/9/13

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N2 - The aim of this study is to investigate and compare the metabolic rate and profiles of pyranocoumarin isomers decursin and decursinol angelate using liver microsomes from humans and rodents, and to characterize the major metabolites of decursin and decursinol angelate in human liver microsomal incubations using LC-MS/MS. First, we conducted liver microsomal incubations of decursin and decursinol angelate in the presence or absence of NADPH. We found that in the absence of NADPH, decursin was efficiently hydrolyzed to decursinol by hepatic esterase(s), but decursinol angelate was not. In contrast, formation of decursinol from decursinol angelate was mediated mainly by cytochrome P450(s). Second, we measured the metabolic rate of decursin and decursinol angelate in liver S9 fractions from mice and humans. We found that human liver S9 fractions metabolized both decursin and decursinol angelate more slowly than those of the mouse. Third, we characterized the major metabolites of decursin and decursinol angelate from human liver microsomes incubations using HPLC-UV and LC-MS/MS methods and assessed the in vivo metabolites in mouse plasma from a one-dose PK study. Decursin and decursinol angelate have different metabolite profiles. Nine metabolites of decursin and nine metabolites of decursinol angelate were identified in human liver microsome incubations besides decursinol using a hybrid triple quadruple linear ion trap LC-MS/MS system, and many of them were later verified to be also present in plasma samples from rodent PK studies.

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