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Promoter Methylation of RASSF1A Gene in Egyptian Patients with Ovarian Cancer

Noha A Rezk1, Rasha H Mohamed2, Amr AbdAlmohsen Alnemr3

  • 1Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt. nonnarezk@yahoo.com.

Applied Biochemistry and Biotechnology
|November 4, 2017
PubMed

Insights

This study found that RASSF1A gene promoter hypermethylation and lower serum protein levels are more common in ovarian cancer patients. These markers may help in diagnosing and monitoring ovarian malignancy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Ovarian malignancy affects millions of women globally each year.
  • Inactivation of the RASSF1A tumor suppressor gene through methylation is implicated in various diseases.
  • Early and accurate diagnosis of ovarian cancer is crucial for effective treatment.

Purpose of the Study:

  • To investigate the frequency of RASSF1A promoter methylation in Egyptian ovarian cancer patients.
  • To assess serum RASSF1A protein levels in relation to ovarian cancer.
  • To evaluate the potential of RASSF1A methylation and protein levels as diagnostic and monitoring tools for ovarian malignancy.

Main Methods:

  • Utilized methylated-specific PCR to detect RASSF1A promoter methylation.
  • Employed enzyme-linked immunosorbent assay (ELISA) to quantify serum RASSF1A protein levels.
  • Studied 160 Egyptian patients with ovarian cancer and 160 healthy controls.

Main Results:

  • A higher frequency of RASSF1A promoter methylation was observed in ovarian cancer patients compared to controls.
  • Serum RASSF1A protein levels were significantly decreased in patients with ovarian cancer.
  • Increased RASSF1A methylation and decreased protein levels correlated with high-grade and advanced-stage tumors.

Conclusions:

  • RASSF1A promoter hypermethylation and reduced serum protein levels are associated with ovarian cancer.
  • These molecular markers show promise as sensitive and reliable tools for the diagnosis and monitoring of ovarian malignancy.
  • Further research can explore the clinical utility of RASSF1A in ovarian cancer management.
Keywords:
Methylatian specific PCROvarian cancerRASSF1A

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