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Monoamine oxidase and the bioactivation of MPTP and related neurotoxins: relevance to DATATOP

  • R. E. Heikkila
  • I. Terleckyj
  • B. A. Sieber
Conference paper
Part of the Journal of Neural Transmission book series (NEURAL SUPPL, volume 32)

Summary

The DATATOP study is a clinical trial in which deprenyl, a selective inhibitor of monoamine oxidase-B (MAO-B), is being given to newly diagnosed Parkinsonian patients in an attempt to halt the progression of their disorder. In part, this is being done because of the working hypothesis than an MPTP-like molecule may be the cause of Parkinsonism, and deprenyl is known to protect against MPTP-induced dopaminergic neurotoxicity in experimental animals. In the present study we point out that several analogs of MPTP are good substrates not only for MAO-B but also for MAO-A. In addition, we point out that with long-term administration to rodents, deprenyl loses its selectivity as an inhibitor of MAO-B and also inhibits MAO-A. We believe that these observations have relevance for the DATATOP study.

Keywords

Good Substrate Tyrosine Hydroxylase Activity MPTP Administration Dopaminergic Neurotoxicity Parkinson Study Group 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • R. E. Heikkila
    • 1
  • I. Terleckyj
    • 1
  • B. A. Sieber
    • 1
  1. 1.Department of NeurologyUMDNJ-Robert Wood Johnson Medical SchoolPiscatwayUSA

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