• P-ISSN2233-4203
  • E-ISSN2093-8950

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  • P-ISSN 2233-4203
  • E-ISSN 2093-8950

Identification of HYIpro-3-1 Metabolites, a Novel Anti-Inflammatory Compound, in Human Liver Microsomes by Quadrupole-Orbitrap High-Resolution Mass Spectrometry

Mass Spectrometry Letters, (P)2233-4203; (E)2093-8950
2021, v.12 no.4, pp.172-178
Bai Honghao (Kyungpook National University)
Kim Younah (Kyungpook National University)
Paudel Sanjita (Kyungpook National University)
Lee Eung-Seok (Yeungnam University)
Lee Sangkyu (Kyungpook National University)

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HYIpro-3-1 is an adjuvant for preventing or treating inflammatory growth diseases. In this study, we identified the metabolic pathway of HYIpro-3-1 in human liver microsomes (HLMs) by quadrupole-orbitrap high-resolution mass spectrometry (HR-MS) and characterized the major human cytochrome P450 (CYP). Ten metabolites were identified, including one O-demethylation (M1), two O-demethylation and monohydroxylation (M2 and M3), and seven monohydroxylation metabolites (M4–M10). Based on the HR-MS 2 spectra, the metabolites are divided into two groups of monohydroxylated metabolites according to the hydroxylation position. We verified that HYIpro-3-1 is metabolized by CYP in HLMs, CYP2B6 is mainly involved in O-demethylation, and various CYPs are involved in the monohydroxylation of HYIpro-3-1.

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