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Long Noncoding RNA MAGI2-AS3 Represses Cell Progression in Clear Cell Renal Cell Carcinoma by Modulating the

Chengquan Yan1, Pengfei Wang1, Chaofei Zhao1

  • 1Department of Urology, Area 3, Tangshan Gongren Hospital, Tangshan City, Hebei Province, 063000, China.

Critical Reviews in Eukaryotic Gene Expression
|August 21, 2023
PubMed

Insights

MAGI2-AS3, a long non-coding RNA, is decreased in clear cell renal cell carcinoma (ccRCC). It suppresses ccRCC progression by regulating miR-629-5p and PRDM16, offering a potential therapeutic target for ccRCC treatment.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Clear cell renal cell carcinoma (ccRCC) is a prevalent kidney cancer subtype.
  • Understanding the molecular mechanisms underlying ccRCC progression is crucial for developing effective treatments.
  • Long non-coding RNAs (lncRNAs) are increasingly recognized for their roles in cancer development.

Purpose of the Study:

  • To elucidate the regulatory mechanism of MAGI2-AS3 in clear cell renal cell carcinoma (ccRCC).
  • To investigate the potential of MAGI2-AS3 as a therapeutic target and prognostic indicator for ccRCC.

Main Methods:

  • Analysis of expression data from The Cancer Genome Atlas (TCGA-KIRC).
  • Bioinformatic prediction of lncRNA targets (miRNA and mRNA).
  • In vitro assays (CCK-8, colony formation, Transwell migration, invasion) to assess ccRCC cell phenotypes.
  • Dual-luciferase reporter gene assays to confirm gene targeting relationships.
  • Kaplan-Meier (K-M) analysis for survival rate assessment.

Main Results:

  • MAGI2-AS3 expression is significantly decreased in ccRCC tissues and cells, correlating with tumor progression.
  • MAGI2-AS3 suppresses ccRCC cell proliferation, migration, and invasion.
  • MAGI2-AS3 directly binds to miR-629-5p, which in turn targets PRDM16.
  • MAGI2-AS3 upregulates PRDM16 by inhibiting miR-629-5p, thereby suppressing ccRCC aggressiveness.
  • High expression of MAGI2-AS3 or PRDM16 is associated with improved ccRCC patient survival.

Conclusions:

  • MAGI2-AS3 acts as a tumor suppressor in ccRCC by sponging miR-629-5p and modulating PRDM16 expression.
  • The MAGI2-AS3/miR-629-5p/PRDM16 axis represents a novel regulatory pathway in ccRCC progression.
  • This axis holds promise as a potential therapeutic target and prognostic biomarker for ccRCC.

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