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Molecular mechanism of ion channel protein TMEM16A regulated by natural product of narirutin for lung cancer adjuvant treatment.

Abstract
Cancer chemotherapy drugs are widely criticized for their serious side effects and low cure rate. Therefore, adjuvant therapy as a combination with chemotherapy administration is being accepted by many patients. However, unclear drug targets and mechanisms limit the application of adjuvant treatment. In this study, we confirmed TMEM16A is a key drug target for lung adenocarcinoma, and narirutin is an effective anti-lung adenocarcinoma natural product. Virtual screening and fluorescence experiments confirmed that narirutin inhibits the molecular target TMEM16A, which is specific high-expression in lung adenocarcinoma. Molecular dynamics simulations and electrophysiological experiments revealed the precise molecular mechanism of narirutin regulating TMEM16A. The anticancer effect of narirutin and its synergistic effect on cisplatin were explored by cell proliferation, migration, and apoptosis assays. The signaling pathways regulated by narirutin were analyzed by western blot. Tumor xenograft mice experiments demonstrated the synergistic anticancer effect of narirutin and cisplatin, and the side effects of high concentrations of cisplatin were almost eliminated. Pharmacokinetic experiments showed the biological safety of narirutin is satisfactory in vivo. Based on the significant anticancer effect and high biosafety, naringin has great potential as a functional food in the adjuvant treatment of lung cancer.
AuthorsSai Shi, Xue Bai, Qiushuang Ji, Haifu Wan, Hailong An, Xianjiang Kang, Shuai Guo
JournalInternational journal of biological macromolecules (Int J Biol Macromol) Vol. 223 Issue Pt A Pg. 1145-1157 (Dec 31 2022) ISSN: 1879-0003 [Electronic] Netherlands
PMID36400205 (Publication Type: Journal Article)
CopyrightCopyright © 2022 Elsevier B.V. All rights reserved.
Chemical References
  • Anoctamin-1
  • Biological Products
  • Cisplatin
Topics
  • Humans
  • Mice
  • Animals
  • Anoctamin-1 (metabolism, pharmacology)
  • Biological Products (pharmacology, therapeutic use)
  • Cell Movement
  • Lung Neoplasms (pathology)
  • Cell Proliferation
  • Cisplatin (metabolism)
  • Cell Line, Tumor

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