Dopaminergic toxicity of rotenone and the 1-methyl-4-phenylpyridinium ion after their stereotaxic administration to rats: implication for the mechanism of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine toxicity.

@article{Heikkila1985DopaminergicTO,
  title={Dopaminergic toxicity of rotenone and the 1-methyl-4-phenylpyridinium ion after their stereotaxic administration to rats: implication for the mechanism of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine toxicity.},
  author={Richard E. Heikkila and William J. Nicklas and I L Vyas and Roger C. Duvoisin},
  journal={Neuroscience letters},
  year={1985},
  volume={62 3},
  pages={389-94}
}
The 1-methyl-4-phenyl-pyridinium ion (MPP+) is the four electron oxidation product of the dopaminergic neurotoxin 1-methyl-4-phenyl-1,2,3,6 -tetrahydropyridine (MPTP). MPP+ can be formed by the oxidation of MPTP by monoamine oxidase B to the intermediate dihydropyridinium species, MPDP+, which is spontaneously transformed to MPP+. In the present study, MPP+, like the mitochondrial toxin rotenone, inhibited pyruvate-malate respiration in isolated mitochondrial preparations. Moreover, the… CONTINUE READING
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