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MiR-193a-5p serves as an inhibitor in ovarian cancer cells through RAB11A

Yazhuo Wang1, Na Li2, Jing Zhao1

  • 1Department of Gynecology, Hebei General Hospital, China.

Reproductive Toxicology (Elmsford, N.Y.)
|April 12, 2022
PubMed

Insights

MicroRNA-193a-5p targets RAB11A, inhibiting ovarian cancer progression. This microRNA (miRNA) suppresses proliferation and invasion by repressing Wnt/β-catenin signaling, offering a potential therapeutic target for ovarian cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Ovarian cancer diagnosis is often delayed, leading to low cure rates.
  • Understanding the pathogenesis of ovarian cancer is crucial for developing effective treatments.

Purpose of the Study:

  • To investigate the role of RAB11A messenger RNA (mRNA) and microRNA (miRNA) in ovarian cancer pathogenesis.
  • To elucidate the regulatory relationship between RAB11A and miR-193a-5p and their impact on ovarian cancer progression.

Main Methods:

  • Differential expression analysis of mRNA and miRNA data from public databases (GEPIA, GEO).
  • Quantitative polymerase chain reaction (qPCR) to measure RAB11A and miR-193a-5p levels.
  • Dual-luciferase assay to confirm targeting relationship.
  • Cellular assays (CCK-8, colony formation, Transwell) to assess cell behaviors.
  • Western blot to analyze protein expression (RAB11A, Wnt/β-catenin pathway proteins).

Main Results:

  • RAB11A mRNA was highly expressed, while miR-193a-5p was lowly expressed in ovarian cancer cells.
  • miR-193a-5p directly targets RAB11A.
  • RAB11A promotes ovarian cancer progression by activating Wnt/β-catenin signaling.
  • miR-193a-5p inhibits ovarian cancer cell proliferation, migration, and invasion.
  • Overexpression of RAB11A counteracted the suppressive effects of miR-193a-5p.

Conclusions:

  • miR-193a-5p acts as a tumor suppressor in ovarian cancer by targeting RAB11A.
  • The miR-193a-5p/RAB11A axis modulates Wnt/β-catenin signaling, impacting ovarian cancer progression.
  • Targeting the miR-193a-5p/RAB11A pathway may offer a novel therapeutic strategy for ovarian cancer.
Keywords:
Cell behaviorsMiR-193a-5pOvarian cancerRAB11AWnt/β-catenin

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