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The Effects of circ_000558/miR-1225-5p/ARL4C on Regulating the Proliferation of Renal Cell Carcinoma Cells

Ling Xia1, Minghuan Ge2, Guang Shan2

  • 1Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei, China.

Journal of Oncology
|February 13, 2023
PubMed

Insights

This study identifies circ_000558 as a key player in renal cell carcinoma (RCC) progression. Upregulated circ_000558 promotes RCC cell proliferation, suggesting it as a potential therapeutic target for this challenging cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Renal cell carcinoma (RCC) is a prevalent cancer with limited treatment options.
  • Radiotherapy and chemotherapy are ineffective against RCC, necessitating novel therapeutic targets.
  • Circular RNAs (circRNAs) are emerging as critical regulators in various cancers, including RCC.

Purpose of the Study:

  • To investigate the role of circ_000558 in renal cell carcinoma (RCC) progression.
  • To elucidate the regulatory network involving circ_000558, miR-1225-5p, and ARL4C in RCC.
  • To assess the potential of this network as a therapeutic target for RCC treatment.

Main Methods:

  • Quantitative analysis of circ_000558 expression in RCC cells.
  • Bioinformatic prediction and dual-luciferase reporter assays to confirm interactions between circ_000558, miR-1225-5p, and ARL4C.
  • Cell proliferation assays (CCK-8) to evaluate the functional impact of circ_000558, miR-1225-5p, and ARL4C.

Main Results:

  • Circ_000558 was found to be significantly upregulated in RCC cells.
  • Overexpression of circ_000558 promoted RCC cell proliferation.
  • Knockdown of ARL4C significantly inhibited RCC cell proliferation, and this effect was enhanced by miR-1225-5p.
  • The circ_000558/miR-1225-5p/ARL4C axis was confirmed to influence RCC cell proliferation.

Conclusions:

  • The circ_000558/miR-1225-5p/ARL4C regulatory network plays a crucial role in RCC cell proliferation.
  • Circ_000558 emerges as a potential therapeutic target for improving the treatment and prognosis of renal cell carcinoma.
  • Further research into targeting this circRNA network could lead to novel therapeutic strategies for RCC.

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