Ni(II), Cu(II), and Zn(II) diethyldithiocarbamate complexes show various activities against the proteasome in breast cancer cells.

@article{Cvek2008NiIICA,
  title={Ni(II), Cu(II), and Zn(II) diethyldithiocarbamate complexes show various activities against the proteasome in breast cancer cells.},
  author={Boris Cvek and Vesna Milacic and Jan Taraba and Q Ping Dou},
  journal={Journal of medicinal chemistry},
  year={2008},
  volume={51 20},
  pages={
          6256-8
        }
}
A series of three complexes with diethyldithiocarbamate ligand and three different metals (Ni, Cu, Zn) was prepared, confirmed by X-ray crystallography, and tested in human breast cancer MDA-MB-231 cells. Zinc and copper complexes, but not nickel complex, were found to be more active against cellular 26S proteasome than against purified 20S proteasome core particle. One of the possible explanations is inhibition of JAMM domain in the 19S proteasome lid. 
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