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MicroRNA-567 inhibits cell proliferation, migration and invasion by targeting FGF5 in osteosarcoma

Daodong Liu1, Chaoju Zhang1, Xiaolin Li2

  • 1Department of Orthopaedics, Jingzhou Hospital of Traditional Chinese Medicine, The Third Clinical College of Yangtze University, Hubei, China.

EXCLI Journal
|May 11, 2018
PubMed

Insights

MicroRNA-567 (miR-567) is reduced in osteosarcoma. Overexpressing miR-567 inhibits tumor growth and invasion by targeting fibroblast growth factor 5 (FGF5), suggesting miR-567 as a potential therapeutic target for osteosarcoma.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • MicroRNAs (miRNAs) are key regulators in human cancers.
  • Osteosarcoma (OS) is a primary bone cancer with significant mortality.
  • The specific role of miRNA-567 (miR-567) in OS remains largely unexplored.

Purpose of the Study:

  • To investigate the function and mechanism of miR-567 in osteosarcoma.
  • To determine the expression levels of miR-567 in OS tissues and cell lines.
  • To identify potential targets of miR-567 involved in OS progression.

Main Methods:

  • Quantitative real-time PCR to assess miR-567 expression.
  • Cell proliferation, migration, and invasion assays (CCK-8, Transwell).
  • Bioinformatic analysis (TargetScan), luciferase reporter assays, and Western blotting to validate miR-567 targets.

Main Results:

  • miR-567 expression was significantly downregulated in OS tissues and cell lines.
  • miR-567 overexpression suppressed OS cell proliferation, migration, and invasion.
  • Fibroblast growth factor 5 (FGF5) was identified as a direct target of miR-567, and its expression was negatively regulated by miR-567.
  • FGF5 overexpression partially reversed the inhibitory effects of miR-567.

Conclusions:

  • miR-567 acts as a tumor suppressor in osteosarcoma.
  • The tumor-suppressive role of miR-567 is mediated through the negative regulation of FGF5.
  • miR-567 represents a potential therapeutic target for osteosarcoma treatment.
Keywords:
FGF5miR-567migration and invasionosteosarcomaproliferation

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