Cyclooxygenase-Independent Neuroprotective Effects of Aspirin Against Dopamine Quinone-Induced Neurotoxicity

@article{Asanuma2012CyclooxygenaseIndependentNE,
  title={Cyclooxygenase-Independent Neuroprotective Effects of Aspirin Against Dopamine Quinone-Induced Neurotoxicity},
  author={Masato Asanuma and Ikuko Miyazaki and Yuri Kikkawa and Naotaka Kimoto and Mika Takeshima and Shinki Murakami and Ko Miyoshi},
  journal={Neurochemical Research},
  year={2012},
  volume={37},
  pages={1944-1951}
}
Prostaglandin H synthase exerts not only cyclooxygenase activity but also peroxidase activity. The latter activity of the enzyme is thought to couple with oxidation of dopamine to dopamine quinone. Therefore, it has been proposed that cyclooxygenase inhibitors could suppress dopamine quinone formation. In the present study, we examined effects of various cyclooxygenase inhibitors against excess methyl L-3,4-dihydroxyphenylalanine (L-DOPA)-induced quinoprotein (protein-bound quinone) formation… CONTINUE READING
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