The Journal of Toxicological Sciences
Online ISSN : 1880-3989
Print ISSN : 0388-1350
ISSN-L : 0388-1350
Review
S-Mercuration of cellular proteins by methylmercury and its toxicological implications
Hironori KandaYasuhiro ShinkaiYoshito Kumagai
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JOURNAL FREE ACCESS

2014 Volume 39 Issue 5 Pages 687-700

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Abstract

The accumulation of methylmercury (MeHg) through the daily consumption of large predatory fish poses potential health risks. MeHg has been found to cause Minamata disease, but the full nature of MeHg toxicity remains unclear. Because of its chemical properties, MeHg covalently binds to cellular proteins through their reactive thiols, referred to as S-mercuration, resulting in the formation of protein adducts. In this review, we summarize how the S-mercuration of cellular proteins could be involved in the major mechanisms that have been suggested to underlie MeHg toxicity. Additionally, we introduce our attempts to identify cases of S-mercuration for the research to reveal the true nature of MeHg toxicity.

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© 2014 The Japanese Society of Toxicology
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