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Associations of Plasma Selenium with Arsenic and Genomic Methylation of Leukocyte DNA in Bangladesh
Author(s) -
J. Richard Pilsner,
Megan N. Hall,
Xinhua Liu,
Habibul Ahsan,
Vesna Ilievski,
Vesna Slavkovich,
David E. Levy,
Pam FactorLitvak,
Joseph H. Graziano,
Mary V. Gamble
Publication year - 2010
Publication title -
environmental health perspectives
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.257
H-Index - 282
eISSN - 1552-9924
pISSN - 0091-6765
DOI - 10.1289/ehp.1001937
Subject(s) - urine , dna methylation , arsenic , liter , physiology , methylation , selenium , metabolite , whole blood , confounding , urinary system , confidence interval , medicine , toxicity , biology , chemistry , endocrinology , immunology , dna , genetics , gene , gene expression , organic chemistry
Global hypomethylation of DNA is thought to constitute an early event in some cancers and occurs in response to arsenic (As) exposure and/or selenium (Se) deficiency in both in vitro and animal models. In addition, antagonism between As and Se, whereby each reduces toxicity of the other, has been well documented in animal models. Se status may therefore modify the health effects of As in As-exposed populations.

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