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Breast Cancer Exposomics.

Anca-Narcisa Neagu1, Taniya Jayaweera2, Lilian Corrice2

  • 1Laboratory of Animal Histology, Faculty of Biology, "Alexandru Ioan Cuza" University of IaČ™i, Carol I Bvd. 20A, 700505 Iasi, Romania.

Life (Basel, Switzerland)
|March 28, 2024
PubMed
Summary
This summary is machine-generated.

Environmental exposures, including xenobiotics, can initiate breast cancer (BC) through genotoxic and epigenetic mechanisms. Exposomics research highlights how these exposures, alongside dietary factors, influence BC development, acting as a double-edged sword.

Keywords:
biologic pathwaysbreast cancer (BC)breast cancer risk (BCR)exposomicsxenobiotics

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Area of Science:

  • Environmental Health Sciences
  • Toxicology
  • Cancer Research

Background:

  • Human exposure to a complex mixture of environmental xenobiotics occurs throughout life.
  • Xenobiotic exposure, particularly in utero, can initiate mutations leading to breast cancer (BC).
  • Xenobiotic metabolism, bioaccumulation, and biomagnification in breast tissues are critical in BC initiation and progression.

Purpose of the Study:

  • To review the dynamics and kinetics of xenobiotics in breast cancer development.
  • To emphasize the role of omics fields in understanding breast cancer exposomics.
  • To explore the dual role of xenobiotics and bioactive food compounds in BC.

Main Methods:

  • Review of existing literature on xenobiotics, exposomics, and breast cancer.
  • Focus on environmental toxicogenomics, epigenomics, interactomics, metagenomics, nutrigenomics, nutriproteomics, and nutrimiRomics.
  • Analysis of food-borne carcinogens, air pollution, radiation, socioeconomic status, and endocrine-disrupting chemicals (EDCs).

Main Results:

  • Xenobiotic metabolism can lead to DNA damage, genomic instability, epimutations, and altered cellular processes like EMT.
  • Xenobiotic metabolism in BC cells impacts major carcinogenic pathways.
  • Bioactive food compounds possess anti-cancer properties, counteracting BC development.

Conclusions:

  • Exposomics provides a framework to understand how environmental exposures influence BC development.
  • Xenobiotic exposure can promote or suppress breast cancer tumorigenesis.
  • Dietary interventions and understanding exposomic impacts are crucial for BC prevention and treatment.