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Human Cell

pp 1–12 | Cite as

Suppression of miR-93-5p inhibits high-risk HPV-positive cervical cancer progression via targeting of BTG3

  • Jie Li
  • Zhao-Ping Chu
  • Hua Han
  • Yuan Zhang
  • Fei Tian
  • Jun-Qin Zhang
  • Xiang-Hua HuangEmail author
Research Article
  • 18 Downloads

Abstract

This study explores the role of miR-93-5p in high-risk HPV-positive (HR-HPV) cervical cancer by targeting of BTG3. Cervical tissues were collected from 332 patients with conditions of chronic cervicitis (n = 42), low-grade cervical intraepithelial neoplasia (CIN I, n = 51), CIN II (n = 49), CIN III (n = 43), cervical cancer (n = 90), and normal cervical tissues (n = 57). HR-HPV DNA was detected by Hybrid Capture 2, and the expressions of miR-93-5p and BTG3 were determined by qRT-PCR and Western blot. The target relationship between miR-93-5p and BTG3 was verified by dual-luciferase reporter gene assay. HPV-positive cervical cancer cells (CaSki and HeLa) were divided into control, NC, inhibitor, BTG3, and mimic + BTG3 groups. CCK-8, Annexin V-APC/PI, and Transwell assays were applied to evaluate cell biological activities. MiR-93-5p was positively related but BTG3 was inversely related to HR-HPV infection. Additionally, miR-93-5p expression was negatively correlated with BTG3 expression in cervical cancer tissues infected with HR-HPV. HPV-positive cervical cancer cells showed higher miR-93-5p and lower BTG3 levels than negative cells. CaSki and HeLa cells in the inhibitor group showed increased BTG3 compared with the control group. After transfection with miR-93-5p inhibitor or BTG3 activation plasmid, proliferation and metastasis were inhibited, but apoptosis was promoted. The mimic + BTG3 group showed increased cell proliferation and metastasis but decreased cell apoptosis compared with the BTG3 group. Upregulated miR-93-5p was positively related but downregulated BTG3 was inversely related to HR-HPV infection, and inhibition of miR-93-5p may have blocked HPV-positive cervical cancer development by targeting of BTG3.

Keywords

Cervical cancer High-risk HPV MiR-93-5p BTG3 

Notes

Acknowledgements

The authors are grateful for the many helpful suggestions and comments on this work.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interest.

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Copyright information

© Japan Human Cell Society 2019

Authors and Affiliations

  • Jie Li
    • 1
    • 2
  • Zhao-Ping Chu
    • 2
  • Hua Han
    • 2
  • Yuan Zhang
    • 2
  • Fei Tian
    • 2
  • Jun-Qin Zhang
    • 2
  • Xiang-Hua Huang
    • 3
    Email author
  1. 1.Department of Obstetrics and GynecologyHebei Medical UniversityShijiazhuangChina
  2. 2.Department of GynecologyHebei General HospitalShijiazhuangChina
  3. 3.Department of GynecologySecond Hospital of Hebei Medical UniversityShijiazhuangChina

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