Plant components can reduce methylmercury toxication: A mini-review.

Authors:
Jie Chang
Jie Chang
Zhejiang University
China
Yun Zhou
Yun Zhou
School of Public Health
New Haven | United States
Qiang Wang
Qiang Wang
Institute of Life Sciences
Michael Aschner
Michael Aschner
Albert Einstein College of Medicine
United States
Rongzhu Lu
Rongzhu Lu
Jiangsu University
China

Biochim Biophys Acta Gen Subj 2019 Mar 6. Epub 2019 Mar 6.

Department of Preventive Medicine and Public Health Laboratory Sciences, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, China; Center for Experimental Research, Affiliated Kunshan Hospital to Jiangsu University, Zhenjiang, Jiangsu 212013, China. Electronic address:

Background: Methylmercury (MeHg) is a ubiquitous environmental pollutant, with the nervous system as its main target; however, the neurotoxic mechanisms of MeHg have not been fully elucidated, and no effective therapeutic and preventive drugs are available to mitigate its toxicity. Recent evidence suggests a reduction in the toxicity of MeHg by natural plant extracts.

Scope Of Review: The aim of this review is to provide an overview of effective natural plant extracts and their putative biochemical mechanisms for blocking gut absorption, enhancing excretion and minimizing toxic effects of MeHg.

Major Conclusions: Natural plant extracts may act as potential therapeutics in response to MeHg exposure. The roles plant components play in the reduction of MeHg toxicity may be multifaceted including: (1) attenuating neurobehavioral deficits; (2) facilitating demethylation of MeHg to inorganic mercury; (3) reducing MeHg absorption from the gastrointestinal tract; (4) redistributing MeHg to less sensitive target organs and tissues; (5) promoting enterohepatic circulation of MeHg to increase its biliary and intestinal excretion; (6) restoring intracellular redox status.

General Significance: The possible protective effects of natural plant components contribute to the understanding of mechanisms of MeHg toxicity and to the development of novel therapeutic strategies.

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Source
http://dx.doi.org/10.1016/j.bbagen.2019.01.012DOI Listing
March 2019
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