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  11. Promoter Methylation Status Of Rassf1a And Rassf2a Tumor Suppressor Genes In Endometrial Endometrioid Carcinomas

Promoter methylation status of RASSF1A and RASSF2A tumor suppressor genes in endometrial endometrioid carcinomas

Habibe Nur Atmaca1, Seda Gun2, Mesut Onal3

  • 1Department of Medical Biology, Faculty of Medicine, Ondokuz Mayis University, Samsun, Türkiye.

Nucleosides, Nucleotides & Nucleic Acids
|June 3, 2024

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View abstract on PubMed

Summary
This summary is machine-generated.

Promoter methylation of the RASSF2A tumor suppressor gene is significantly altered in endometrioid carcinomas. This finding suggests RASSF2A could be a potential biomarker for early detection of this cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Endometrial endometrioid carcinoma is a common gynecologic malignancy.
  • Tumor suppressor genes play a critical role in cancer development.
  • Aberrant promoter methylation is a known mechanism of tumor suppressor gene inactivation.

Purpose of the Study:

  • To investigate the promoter methylation status of RASSF1A and RASSF2A tumor suppressor genes.
  • To correlate methylation status with clinicopathological features in endometrial endometrioid carcinoma.
  • To assess the potential of RASSF2A as a biomarker for early detection.

Main Methods:

  • DNA isolation from tumor tissues, paired blood samples, and normal endometrial tissues.
  • Bisulfite modification of genomic DNA.
Keywords:
RASSF1ARASSF2Aendometrioid carcinomaepigenetic

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  • Methylation-specific polymerase chain reaction (PCR) analysis.

    • Main Results:

    • No significant promoter methylation was observed for the RASSF1A gene.
    • Statistically significant promoter hypermethylation was found for the RASSF2A gene (p < 0.001).
    • RASSF2A methylation was higher in high-grade tumors, older patients (≥50 years), and non-smokers.

    Conclusions:

    • RASSF2A gene promoter hypermethylation may play a role in endometrioid carcinoma carcinogenesis.
    • RASSF2A could serve as a potential biomarker for the early detection of endometrioid carcinoma.
    • Further large-scale studies are warranted to validate these findings.
    promoter hypermethylation
    tumor supressor genes