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Epigenetics of cervical cancer. An overview and therapeutic perspectives

Alfonso Dueñas-González1, Marcela Lizano, Myrna Candelaria

  • 1Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología/Instituto de Investigaciones Biomédicas (INCan/IIB), Universidad Nacional Autónoma de Mexico, Mexico City, Mexico. alfonso_duenasg@yahoo.com

Molecular Cancer
|October 27, 2005
PubMed

Insights

Epigenetic alterations in cervical cancer, such as DNA methylation changes, are reversible. Targeting these epigenetic modifications with inhibitors offers a promising therapeutic strategy for cervical cancer treatment and early detection.

Area of Science:

  • Oncology
  • Epigenetics
  • Molecular Biology

Background:

  • Cervical cancer is a leading cause of cancer death in women globally.
  • Current treatments (chemotherapy, surgery, radiation) have limitations in improving cure rates.
  • Epigenetic alterations, including DNA hypomethylation and hypermethylation of tumor suppressor genes, are crucial in cervical carcinogenesis.

Purpose of the Study:

  • To explore the potential of molecular targeted therapies for cervical cancer.
  • To investigate epigenetic modifications as therapeutic targets.
  • To assess the feasibility of using epigenetic changes as biomarkers for early detection and prognosis.

Main Methods:

  • Review of studies on epigenetic alterations in cervical cancer.
  • Analysis of the effects of DNA methylation and histone deacetylase inhibitors.
  • Investigation of epigenetic markers in cytological smears, serum DNA, and peripheral blood.

Main Results:

  • Epigenetic changes are present throughout cervical carcinogenesis.
  • DNA methylation and histone deacetylase inhibitors can reactivate silenced tumor suppressor genes.
  • These inhibitors demonstrate hyperacetylating and inhibitory effects on histone deacetylase activity in tumor tissues.

Conclusions:

  • Epigenetic modifications represent a viable target for novel cervical cancer therapies.
  • Demethylating and histone deacetylase inhibitors show promise in reactivating tumor suppressor genes.
  • Epigenetic markers in various samples hold potential for early detection, treatment response prediction, and prognosis.

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