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Circ_0001247 functions as a miR-1270 sponge to accelerate cervical cancer progression by up-regulating ZEB2

Wenshuang Wang1, Anli Xu1, Manyin Zhao1

  • 1Department of Gynecology and Obstetrics, Yantai Yuhuangding Hospital, Qingdao University, Yantai, 264000, Shandong, China.

Biotechnology Letters
|January 2, 2021
PubMed
Abstract

Insights

Circular RNA (circRNA) circ_0001247 promotes cervical cancer (CC) progression by sponging miR-1270, leading to increased Zinc finger E-box binding homeobox 2 (ZEB2) expression. This study elucidates a novel mechanism driving CC development.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Circular RNAs (circRNAs) are increasingly implicated in cancer progression.
  • The specific role of circ_0001247 in cervical cancer (CC) remains uncharacterized.

Purpose of the Study:

  • To investigate the expression, function, and mechanism of circ_0001247 in cervical cancer.
  • To determine the relationship between circ_0001247, miR-1270, and ZEB2 in CC pathogenesis.

Main Methods:

  • Analysis of GEO datasets (GSE147483) for differential circRNA expression.
  • Quantitative real-time PCR (qRT-PCR) to assess circ_0001247, miR-1270, and ZEB2 expression.
  • Cell proliferation (CCK-8, BrdU), migration, invasion (Transwell), and apoptosis (flow cytometry) assays.
  • Western blot for ZEB2 protein levels and dual-luciferase reporter assays to confirm interactions.

Main Results:

  • Circ_0001247 expression was significantly elevated in CC tissues and cell lines.
  • Knockdown of circ_0001247 inhibited CC cell proliferation and metastasis while promoting apoptosis.
  • Circ_0001247 acted as a sponge for miR-1270, and miR-1270 inactivation of ZEB2 was crucial.

Conclusions:

  • Circ_0001247 promotes cervical cancer progression.
  • The mechanism involves sponging miR-1270, which consequently upregulates Zinc finger E-box binding homeobox 2 (ZEB2) expression.
  • Circ_0001247 represents a potential therapeutic target for cervical cancer.
Keywords:
Cervical cancerZEB2circ_0001247miR-1270

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