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miR-21-5p serves as a promoter in renal cell carcinoma progression through ARHGAP24 downregulation

Bin Meng1, Pengfei Wang1, Chaofei Zhao1

  • 1Department of Urology, Area 3, Tangshan Gongren Hospital, LubeiDistrict, No.27 Wenhua Road, Tangshan, Hebei, 063000, People's Republic of China.

Environmental Science and Pollution Research International
|February 3, 2022
PubMed

Insights

MicroRNA-21-5p (miR-21-5p) promotes renal cell carcinoma (RCC) progression by inhibiting the ARHGAP24 gene. Targeting miR-21-5p may offer new therapeutic strategies for this aggressive cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Renal cell carcinoma (RCC) is an aggressive cancer with high recurrence rates.
  • Understanding the molecular mechanisms regulating RCC progression is crucial for developing effective therapies.

Purpose of the Study:

  • To investigate the role of microRNA-21-5p (miR-21-5p) in regulating renal cell carcinoma (RCC) cell functions.
  • To identify novel therapeutic targets for RCC based on miR-21-5p regulation.

Main Methods:

  • Differential expression analysis of miRNAs in RCC using The Cancer Genome Atlas (TCGA) data.
  • In vitro assays (MTT, Transwell) to assess the impact of miR-21-5p on RCC cell behavior.
  • Bioinformatics analysis and dual-luciferase assays to predict and validate miR-21-5p targets.

Main Results:

  • miR-21-5p was significantly upregulated in RCC tissues compared to normal tissues.
  • ARHGAP24 was identified as a direct downstream target of miR-21-5p and was significantly downregulated in RCC.
  • miR-21-5p promoted RCC cell proliferation and migration, while ARHGAP24 mimic reversed these effects.

Conclusions:

  • miR-21-5p acts as an oncogene in RCC by suppressing its target gene ARHGAP24.
  • Inhibition of miR-21-5p could be a potential therapeutic strategy for renal cell carcinoma.
Keywords:
ARHGAP24Migration and invasionProliferationRenal cell carcinomamiR-21-5p

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