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MiR-490-3p inhibited the proliferation and metastasis of esophageal squamous cell carcinoma by targeting HMGA2

N-N Kang1, S-L Ge, R-Q Zhang

  • 1Department of Thoracic Surgery, 1st Affiliated Hospital of Anhui Medical University, Hefei, China. zbvz92@163.com.

European Review for Medical and Pharmacological Sciences
|December 18, 2018
PubMed
Abstract

Insights

MicroRNA-490-3p (miR-490-3p) is downregulated in esophageal squamous cell carcinoma (ESCC). Upregulating miR-490-3p inhibits ESCC cell proliferation and metastasis by targeting HMGA2, suggesting its therapeutic potential.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Esophageal squamous cell carcinoma (ESCC) is a significant global health concern.
  • MicroRNAs (miRNAs) play crucial roles in cancer development and progression.
  • Dysregulation of specific miRNAs can contribute to ESCC pathogenesis.

Purpose of the Study:

  • To investigate the role of miR-490-3p in ESCC development.
  • To elucidate the underlying molecular mechanism of miR-490-3p in ESCC.
  • To explore miR-490-3p as a potential therapeutic target for ESCC.

Main Methods:

  • Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) to measure miR-490-3p expression.
  • Bioinformatic analysis to predict targets of miR-490-3p, identifying HMGA2.
  • In vitro assays including MTT, qRT-PCR, Western blotting, Transwell, and scratch-wound assays to assess functional effects on ESCC cells.

Main Results:

  • miR-490-3p expression was significantly reduced in ESCC tissues and cells compared to normal tissues.
  • miR-490-3p directly targets the 3'-UTR of HMGA2, regulating its expression.
  • Upregulation of miR-490-3p inhibited ESCC cell proliferation, invasion, migration, and epithelial-mesenchymal transition (EMT) by decreasing HMGA2 expression.

Conclusions:

  • miR-490-3p exerts an inhibitory effect on ESCC progression.
  • The mechanism involves targeting and downregulating HMGA2.
  • miR-490-3p represents a promising therapeutic target for esophageal squamous cell carcinoma.

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