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Updated: Jul 9, 2026

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis
11:44

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis

Published on: March 30, 2019

Downregulation of miR-3074-5p slows cervical cancer progression by targeting TGFBR2 expression

Xiaoqing Zhu1, Juan Xiang1, Jing Bai1

  • 1Department of Gynecology, Affiliated Central People's Hospital, China Three Gorges University, Yichang Central People's Hospital, Yichang, 443000, China.

Irish Journal of Medical Science
|July 8, 2026
PubMed
Abstract

Insights

Overexpression of miR-3074-5p promotes cervical cancer (CC) progression by targeting TGFBR2. Inhibiting miR-3074-5p may offer a therapeutic strategy for CC patients.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • MicroRNAs (miRNAs) are implicated as key regulators in cervical cancer (CC).
  • The specific role and mechanism of miR-3074-5p in CC pathogenesis are not well understood.

Purpose of the Study:

  • To investigate the function and mechanism of miR-3074-5p in cervical cancer.
  • To determine the prognostic value of miR-3074-5p in CC patients.

Main Methods:

  • Expression analysis of miR-3074-5p in 141 CC tissues using RT-qPCR.
  • Correlation analysis between miR-3074-5p levels and patient prognosis (Kaplan-Meier, Cox regression).
  • In vitro assays (CCK-8, Transwell) to assess cell proliferation, migration, and invasion; dual-luciferase and RIP assays to identify targets.

Main Results:

  • miR-3074-5p expression was significantly elevated in CC tissues and associated with poor prognosis.
  • Inhibition of miR-3074-5p suppressed CC cell proliferation, migration, and invasion.
  • miR-3074-5p directly targets TGFBR2, exhibiting inverse expression in clinical samples; TGFBR2 knockdown partially reversed the effects of miR-3074-5p inhibition.

Conclusions:

  • Downregulation of miR-3074-5p inhibits the malignant phenotype of CC cells by targeting TGFBR2.
  • miR-3074-5p serves as a potential diagnostic and therapeutic target for cervical cancer.
Keywords:
CCEMTMalignant phenotypeMiR-3074-5pTGFBR2

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