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MiR-202-5p suppressed cell proliferation, migration and invasion in ovarian cancer via regulating HOXB2

H-Y Yu1, S-S Pan

  • 1Department of Gynaecology and Obstetrics, Fuyang First Hospital, Hangzhou, China. 13666658589@163.com.

European Review for Medical and Pharmacological Sciences
|March 21, 2020
PubMed
Abstract

Insights

MicroRNA-202-5p (miR-202-5p) is down-regulated in ovarian cancer (OC). Upregulating miR-202-5p inhibits OC cell proliferation and metastasis by targeting HOXB2, offering potential therapeutic strategies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Ovarian cancer (OC) remains a significant cause of cancer-related mortality.
  • The specific role of microRNA-202-5p (miR-202-5p) in OC pathogenesis is not well understood.

Purpose of the Study:

  • To investigate the biological function and mechanism of miR-202-5p in ovarian cancer progression.
  • To determine the relationship between miR-202-5p and its potential downstream targets in OC.

Main Methods:

  • Quantitative Real-Time Polymerase Chain Reaction (qRT-PCR) to assess miR-202-5p expression.
  • Cell proliferation, migration, and invasion assays (CCK-8, colony formation, transwell, Matrigel) were performed.
  • Dual-Luciferase reporter assay and Western blotting were used to validate targets and protein expression.

Main Results:

  • miR-202-5p was found to be significantly down-regulated in OC tissues.
  • Overexpression of miR-202-5p suppressed OC cell proliferation, migration, and invasion in vitro.
  • HOXB2 was identified as a direct downstream target of miR-202-5p, and its expression was inversely correlated with miR-202-5p levels.

Conclusions:

  • miR-202-5p acts as a tumor suppressor in OC by inhibiting cell proliferation and metastasis through the regulation of HOXB2.
  • These findings highlight miR-202-5p as a potential biomarker and therapeutic target for ovarian cancer.

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