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Title: Arsenic-induced epigenetic changes in cancer development.

Authors: Saintilnord, Wesley N; Fondufe-Mittendorf, Yvonne

Published In Semin Cancer Biol, (2021 Nov)

Abstract: Arsenic is a ubiquitous metalloid whose high levels of toxicity pose major health concerns to millions of people worldwide by increasing susceptibility to various cancers and non-cancer illnesses. Since arsenic is not a mutagen, the mechanism by which it causes changes in gene expression and disease pathogenesis is not clear. One possible mechanism is through generation of reactive oxygen species. Another equally important mechanism still very much in its infancy is epigenetic dysregulation. In this review, we discuss recent discoveries underlying arsenic-induced epigenetic changes in cancer development. Importantly, we highlight the proposed mechanisms targeted by arsenic to drive oncogenic gene expression.

PubMed ID: 33798722 Exiting the NIEHS site

MeSH Terms: Animals; Arsenic/adverse effects*; Carcinogenesis/chemically induced*; DNA Methylation*; Epigenesis, Genetic*; Humans; Neoplasms/pathology*

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