Metabolic profiling of parthenolide: Characterized by bioactive organosulfur compounds involving in hydrogen sulfide regulation

  • Impact factors: 6.212
  • Publication: Arabian Journal of Chemistry
  • Author:Qiqi Zhou, Lu Gao, Yannan Ji, Xiaoding Zhang, Ningning Shi, Jia Liu, Pengbo Tang, Haixia Gao, Changhong Huo
  • DOI citation-doi:10.1016/j.arabjc.2023.105004
  • Date:2023-05-18

Parthenolide (PA) shows promising therapeutic effect on ulcerative colitis and colorectal cancer, and can ameliorate colon inflammation in a gut microbiota-dependent manner. In the present study, an effective UHPLC-QTOF-MS method aided by rat intestinal microbiota biotransformation was applied to characterize 34 metabolites (including a series of characteristic R-S n -R type organosulfur compounds) of PA for the first time. Noteworthy, organosulfur metabolites PA-S 2 -PA and PA-S 3 -PA could react with cysteine to generate H 2 S via persulfide/polysulfide intermediates and significantly inhibit colonic cancer HT-29 and HCT116 cells viability and pro-inflammatory cytokine IL-6 release. These results indicated that PA and its organosulfur metabolites involved in H 2 S regulation in intestinal tract, which should be beneficial for a more in-depth understanding of the action mechanism of PA.

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