LncRNA PCGEM1 facilitates cervical cancer progression via miR-642a-5p/KIF5B axis

  • 0Department of Obstetrics and Gynecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.

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Summary

This summary is machine-generated.

Long non-coding RNA PCGEM1 is upregulated in cervical cancer (CC) and promotes tumor growth. Inhibiting PCGEM1 reduces CC cell proliferation, migration, and invasion, suggesting it as a therapeutic target.

Area Of Science

  • Oncology
  • Molecular Biology
  • Genetics

Background

  • Cervical cancer (CC) involves dysregulated long non-coding RNAs (lncRNAs).
  • The role of lncRNA prostate cancer gene expression marker 1 (PCGEM1) in CC remains uninvestigated, despite its known oncogenic roles in other cancers.
  • Understanding PCGEM1's function in CC is crucial for developing targeted therapies.

Purpose Of The Study

  • To investigate the expression and functional role of PCGEM1 in cervical cancer.
  • To elucidate the molecular mechanisms underlying PCGEM1's involvement in CC progression.
  • To identify potential therapeutic targets for CC based on PCGEM1 signaling.

Main Methods

  • Real-time PCR to quantify PCGEM1 expression in CC cells.
  • RNA interference (shRNA) to suppress PCGEM1 expression.
  • Cell proliferation assays (CCK-8, EdU, colony formation), migration and invasion assays (wound healing, Transwell).
  • Western blot and immunofluorescence for epithelial-to-mesenchymal transition (EMT) markers.
  • Bioinformatics analysis, luciferase reporter assay, and miRNA manipulation to confirm molecular interactions.

Main Results

  • PCGEM1 expression was significantly upregulated in CC cells.
  • PCGEM1 suppression inhibited CC cell proliferation, migration, and invasion.
  • PCGEM1 promoted EMT by downregulating E-cadherin and upregulating N-cadherin.
  • PCGEM1 acts as a competing endogenous RNA (ceRNA) for miR-642a-5p, modulating KIF5B expression.
  • Restoring miR-642a-5p partially reversed the effects of PCGEM1 suppression.

Conclusions

  • PCGEM1 plays a crucial oncogenic role in cervical cancer progression.
  • The PCGEM1/miR-642a-5p/KIF5B axis is a key signaling pathway in CC.
  • Targeting the PCGEM1/miR-642a-5p/KIF5B axis represents a potential therapeutic strategy for cervical cancer.

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