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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Study on the toxic effects induced by different arsenicals in primary cultured rat astroglia.

Arsenic toxicity is a global health problem affecting millions of people. The objectives of this study were to determine if the toxic effects on primary cultured rat astroglia would be induced by different arsenicals. Based on alamarBlue assay and the single cell gel electrophoresis (SCGE, comet assay), the cell viability and DNA damage in the cells exposed to different arsenicals were evaluated. Treatment of astroglia with methylated arsenicals, that is, pentavalent monomethylarsonic acid (MMAV) and dimethylarsinic acid (DMAV), resulted in no obvious changes in cell viability and DNA damage at micromolar concentrations. However, treatment of astroglia with inorganic arsenicals, that is, arsenite and arsenate, caused decreased cell viability and increased DNA damage at micromolar levels, and showing a dose-related decrease in mean alamarBlue reduced rate and a dose-related increase in mean comet length. Our study is therefore highly suggestive for a link between inorganic exposure and cellular toxicity or DNA damage. Based on the results of this study, the toxic effects induced by arsenite were stronger than those induced by arsenate.[1]

References

  1. Study on the toxic effects induced by different arsenicals in primary cultured rat astroglia. Jin, Y., Sun, G., Li, X., Li, G., Lu, C., Qu, L. Toxicol. Appl. Pharmacol. (2004) [Pubmed]
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