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Small molecule GL-V9 protects against colitis-associated colorectal cancer by limiting NLRP3 inflammasome through

Yue Zhao1, Qinglong Guo1, Kai Zhao1

  • 1State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Carcinogenesis and Intervention, Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, China.

Oncoimmunology
|January 4, 2018
PubMed

Insights

A novel AMPK activator, GL-V9, triggers autophagy to degrade NLRP3 inflammasome, reducing inflammation and protecting against colitis-associated colorectal cancer.

Area of Science:

  • Immunology
  • Molecular Biology
  • Gastroenterology

Background:

  • The NLRP3 inflammasome links inflammatory bowel diseases and colitis-associated colorectal cancer.
  • Autophagy, induced by AMPK activation in macrophages, regulates the NLRP3 inflammasome for cellular homeostasis.

Purpose of the Study:

  • To investigate the anti-inflammatory effects of a small-molecule AMPK activator, GL-V9.
  • To determine if GL-V9 modulates the NLRP3 inflammasome pathway via autophagy.

Main Methods:

  • In vitro and in vivo studies on macrophages treated with GL-V9.
  • Assessment of autophagy induction and NLRP3 inflammasome degradation.
  • Evaluation of GL-V9 efficacy in colitis and colitis-associated colorectal cancer models.

Main Results:

  • GL-V9 demonstrated potent anti-inflammatory effects in macrophages.
  • GL-V9 treatment induced autophagy, leading to the degradation of NLRP3 inflammasome.
  • GL-V9 significantly protected against colitis and tumorigenesis in preclinical models.

Conclusions:

  • GL-V9 effectively suppresses inflammation by activating autophagy and degrading NLRP3 inflammasome.
  • GL-V9 shows therapeutic potential for colitis-associated colorectal cancer.
  • Further clinical evaluation of GL-V9 for colitis-associated colorectal cancer is warranted.
Keywords:
GL-V9NLRP3 inflammasomeautophagycolitiscolitis-associated colorectal cancer

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