期刊
CURRENT ENVIRONMENTAL HEALTH REPORTS
卷 8, 期 2, 页码 89-97出版社
SPRINGERNATURE
DOI: 10.1007/s40572-021-00305-9
关键词
Arsenic metabolism; Arsenic toxicity; Gut microbiome; Arsenic-induced disease
资金
- NIH [R01ES024950, P30ES010126]
- UNC-Superfund Research Program funding [P42ES-031007]
- University of North Carolina Center for Environmental Health and Susceptibility
This review summarizes the metabolism and toxicity of inorganic arsenic (iAs) in mice, as well as how iAs interacts with the gut microbiome to induce diseases. Recent studies have shown that gut bacteria can influence iAs biotransformation and disease risks. Understanding iAs metabolism is crucial for assessing disease risks associated with iAs exposure.
Purpose of Review This review summarizes inorganic arsenic (iAs) metabolism and toxicity in mice and the gut microbiome and how iAs and the gut microbiome interact to induce diseases. Recent Findings Recently, a variety of studies have started to reveal the interactions between iAs and the gut microbiome. Evidence shows that gut bacteria can influence iAs biotransformation and disease risks. The gut microbiome can directly metabolize iAs, and it can also indirectly be involved in iAs metabolism through the host, such as altering iAs absorption, cofactors, and genes related to iAs metabolism. Many factors, such as iAs metabolism influenced by the gut microbiome, and microbiome metabolites perturbed by iAs can lead to different disease risks. iAs is a widespread toxic metalloid in environment, and iAs toxicity has become a global health issue. iAs is subject to metabolic reactions after entering the host body, including methylation, demethylation, oxidation, reduction, and thiolation. Different arsenic species, including trivalent and pentavalent forms and inorganic and organic forms, determine their toxicity. iAs poisoning is predominately caused by contaminated drinking water and food, and chronic arsenic toxicity can cause various diseases. Therefore, studies of iAs metabolism are important for understanding iAs associated disease risks.
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