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

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Synergistic effects of Cu(II) and dimethylammonium 2,4-dichlorophenoxyacetate ( U46 D fluid) on PM2 DNA and mechanism of DNA damage.

Dimethylammonium 2,4-dichlorophenoxyacetate (2,4-D . DMA) induced strand breaks in PM2 DNA when incubated with CuCl2, whereas 2,4-D . DMA alone or CuCl2 alone did not show any or only a negligible effect. The formation of single strand breaks increased linearly with time and concentration of 2,4-D . DMA. Neocuproine, a specific Cu(I) chelator totally prevented strand break formation. So did catalase (up to 100 mM 2,4-D . DMA), but DMSO had only a small protective effect. 2,4-Dichlorophenol, CO2 and formaldehyde were detected as reaction products of 2,4-D and CuCl2. From these results a redox reaction of Cu(II) and 2,4-D is proposed, which could explain the DNA damaging properties of CuCl2/2,4-D . DMA.[1]

References

  1. Synergistic effects of Cu(II) and dimethylammonium 2,4-dichlorophenoxyacetate (U46 D fluid) on PM2 DNA and mechanism of DNA damage. Jacobi, H., Metzger, J., Witte, I. Free Radic. Res. Commun. (1992) [Pubmed]
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