MicroRNA-582-5p suppressed gastric cancer cell proliferation via targeting AKT3

Y Jin1, L-P Tao, S-C Yao

  • 1Department of Gastroenterology, The First Affiliated Hospital of Wenzhou Medical University, Xinyuan District, Wenzhou, Zhejiang Province, China. 79661623@qq.com.

Abstract

Insights

MicroRNA-582-5p (miR-582-5p) acts as a tumor suppressor in gastric cancer by inhibiting cell growth and promoting apoptosis. It targets AKT3, offering a potential therapeutic strategy for gastric cancer treatment.

Area of Science:

  • Molecular Oncology
  • Cancer Biology
  • Biochemistry

Background:

  • Gastric cancer remains a significant global health challenge.
  • Understanding the molecular mechanisms underlying gastric cancer progression is crucial for developing effective therapies.
  • MicroRNAs (miRNAs) play critical roles in various cancers, including gastric cancer.

Purpose of the Study:

  • To elucidate the functional role of miR-582-5p in gastric cancer cell growth.
  • To identify potential therapeutic targets for gastric cancer treatment based on miR-582-5p function.

Main Methods:

  • Quantitative Real-time PCR (qRT-PCR) to measure miR-582-5p expression.
  • Cell counting kit-8 (CCK8) and colony formation assays for proliferation and viability.
  • Flow cytometry for apoptosis and cell cycle analysis.
  • Luciferase and Western blotting assays to validate target genes.

Main Results:

  • MiR-582-5p was significantly downregulated in gastric cancer tissues compared to adjacent normal tissues.
  • Overexpression of miR-582-5p suppressed gastric cancer cell proliferation and viability.
  • Upregulating miR-582-5p induced apoptosis and caused cell cycle arrest at the G0/G1 phase.
  • AKT3 was identified as a direct target of miR-582-5p, and its restoration counteracted the tumor-suppressive effects of miR-582-5p.

Conclusions:

  • MiR-582-5p exhibits tumor-suppressive properties in gastric cancer by targeting AKT3.
  • This miRNA represents a promising candidate for the diagnosis and treatment of gastric cancer.

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