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Front Pharmacol. 2017 Mar 30;8:156. doi: 10.3389/fphar.2017.00156. eCollection 2017.

HuangQin Decoction Attenuates CPT-11-Induced Gastrointestinal Toxicity by Regulating Bile Acids Metabolism Homeostasis.

Frontiers in pharmacology

Xu Wang, Dong-Ni Cui, Xiao-Min Dai, Jing Wang, Wei Zhang, Zun-Jian Zhang, Feng-Guo Xu

Affiliations

  1. Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education (MOE), China Pharmaceutical UniversityNanjing, China.
  2. State Key Laboratory of Natural Medicine, China Pharmaceutical UniversityNanjing, China.
  3. State Key Laboratory for Quality Research in Chinese Medicines, Macau University of Science and TechnologyMacau, China.

PMID: 28424615 PMCID: PMC5371663 DOI: 10.3389/fphar.2017.00156

Abstract

Irinotecan (CPT-11) is a potent chemotherapeutic agent, however, its clinical usage is often limited by the induction of severe gastrointestinal (GI) toxicity, especially late-onset diarrhea. HuangQin Decoction (HQD), commonly used for the treatment of GI ailments, has been proved could significantly ameliorate the intestinal toxicity of CPT-11. To reveal the mechanisms of CPT-11-induced toxicity and the modulation effects of HQD, a previous untargeted metabolomics study was performed and the results indicated that HQD may protect the GI tract by altering the metabolism of bile acids (BAs). Nevertheless, the untargeted assays are often less sensitive and/or efficient. In order to further confirm our previous findings, here in this paper, serum and tissues metabolic profiles of 17 BAs were analyzed using liquid chromatography-tandem mass spectrometry based targeted metabolomics. The results indicated that serum and tissues levels of most BAs were significantly decreased after CPT-11 administration, except some hydrophobic BAs. Co-treatment with HQD could markedly attenuate CPT-11-induced GI toxicity and reverse the alterations of hydrophobic BAs. Despite the fact that the BAs pool size remained unchanged, the balance of BAs had shifted leading to decreased toxicity after HQD treatment. The present study demonstrated for the first time that the precise interaction between HQD, CPT-11-induced intestinal toxicity and BAs' homeostasis.

Keywords: HuangQin Decoction; LC-MS/MS; bile acids; irinotecan (CPT-11); metabolomics

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