2. Academic Validation
  3. Repurposing TAK875 as a novel STAT3 inhibitor for treating inflammatory bowel disease

Repurposing TAK875 as a novel STAT3 inhibitor for treating inflammatory bowel disease

  • Biochem Pharmacol. 2023 Dec 2:219:115957. doi: 10.1016/j.bcp.2023.115957.
Xinlian He 1,  Xupeng Gou 2,  Dongmei Fan 3,  Jiaxing Yang 2,  Xinyuan Fu 3,  Youfu Luo 4,  Tao Yang 5
Affiliations

Affiliations

  • 1 Department of Gastroenterology and Hepatology, and Laboratory of Human Diseases and Immunotherapy, West China Hospital, Sichuan University, Chengdu 610041, China; State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China; Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China.
  • 2 State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China.
  • 3 Department of Gastroenterology and Hepatology, and Laboratory of Human Diseases and Immunotherapy, West China Hospital, Sichuan University, Chengdu 610041, China; Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China.
  • 4 State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China. Electronic address: luo_youfu@scu.edu.cn.
  • 5 Department of Gastroenterology and Hepatology, and Laboratory of Human Diseases and Immunotherapy, West China Hospital, Sichuan University, Chengdu 610041, China; State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu 610041, China; Institute of Immunology and Inflammation, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China. Electronic address: yangtao@wchscu.cn.
PMID: 38049007 DOI: 10.1016/j.bcp.2023.115957
Abstract

Inflammatory bowel disease (IBD) is a chronic immune-mediated disease associated with a high recurrence rate and an elevated risk of colon Cancer. In this study, we screened a bioactive compound library using a luciferase reporter assay and identified the compound TAK875 as a novel inhibitor of signal transducer and activator of transcription 3 (STAT3). Surface plasmon resonance analysis, differential scanning fluorimetry, and isothermal titration calorimetry demonstrated that TAK875 directly bound to recombinant STAT3. TAK875 suppressed the lipopolysaccharide (LPS)-induced release of nitric oxide, inducible nitric oxide synthase, and inflammatory factors in RAW264.7 cells, likely by inhibiting STAT3 phosphorylation. In addition, TAK875 inhibited the differentiation of CD4+ T cells into T-helper 17 cells, which may partially account for its anti-inflammatory effect. TAK875 also alleviated the LPS-induced accumulation of intracellular Reactive Oxygen Species, thus displaying its antioxidant effects. Finally, we demonstrated its satisfactory anti-inflammatory effect in a dextran sulfate sodium-induced mouse model of ulcerative colitis. In conclusion, this study presented TAK875 as a novel STAT3 Inhibitor and demonstrated its anti-inflammatory and antioxidant effects both in vitro and in vivo.

Keywords

Anti-inflammatory; Inflammatory bowel disease; ROS; STAT3; TAK875.

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