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Breast cancer: mechanisms involved in action of phytoestrogens and epigenetic changes

Aslihan Dagdemir1, Julie Durif, Marjolaine Ngollo

  • 1Centre Jean Perrin, Laboratory of Molecular Biology GeneAuvergne, 58 Rue Montalembert, BP 392, 63011 Clermont-Ferrand, France. Yves-Jean.Bignon@cjp.fr

In Vivo (Athens, Greece)
|December 15, 2012
PubMed

Insights

Phytoestrogens may influence breast cancer risk by altering epigenetic modifications like DNA methylation and histone changes. Understanding these epigenetic mechanisms is crucial for breast cancer prevention and treatment strategies.

Area of Science:

  • Oncology
  • Epigenetics
  • Molecular Biology

Background:

  • Breast cancer incidence and mortality rates are notably higher in Western countries compared to Asian countries.
  • Dietary factors, specifically phytoestrogens, are being investigated for their potential role in these geographical disparities.
  • Aberrant epigenetic modifications, alongside genetic mutations, are increasingly recognized as critical drivers of breast cancer development.

Purpose of the Study:

  • To review the role of phytoestrogens in breast cancer.
  • To explore the impact of various epigenetic modifications on breast carcinogenesis.
  • To investigate the relationship between phytoestrogens and epigenetic alterations in breast cancer.

Main Methods:

  • Literature review focusing on phytoestrogens and epigenetic mechanisms in breast cancer.
  • Analysis of molecular mechanisms including DNA methylation, histone modifications, and non-coding RNAs.
  • Comparative analysis of breast cancer incidence rates across different geographical regions.

Main Results:

  • Epigenetic phenomena involve complex molecular mechanisms such as histone modifications, DNA methylation, and small non-coding RNAs.
  • These epigenetic modifications are interconnected and play a significant role in the dysregulation of gene expression characteristic of cancer.
  • Phytoestrogens are proposed as a potential factor contributing to the observed differences in breast cancer incidence rates globally.

Conclusions:

  • Epigenetic modifications are fundamental to breast cancer development and progression.
  • Phytoestrogens represent a potential dietary intervention influencing epigenetic pathways relevant to breast cancer.
  • Further research into the interplay between phytoestrogens and epigenetics is warranted for novel breast cancer prevention and therapeutic strategies.

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