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Japanese

Analysis of changes of biopterin contents in MPTP-induced parkinsonism. Katsunori NISHI 1 1Department of Neurology, Juntendo University School of Medicine pp.851-856
Published Date 1987/10/10
DOI https://doi.org/10.11477/mf.1431905935
  • Abstract
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 MPTP, a nigrostriatal neurotoxin, is recently extensively studied as the best tool for experimental Parkinsonism model. However, the exact mechanism of its toxicity on dopaminergic neuron is still unclear.

 In this report, studies of the effect of MPTP on tetrahydrobiopterin, a coenzyme of tyrosine hydroxylase, is reviewed. Some authors have demonstrated that MPTP or its derivatives inhibited dihydropteridine reductase (DHPR), an enzyme which regenerates tetrahydrobiopterin required for dopamine synthesis. Others also reported that the inhibition of tetrahydrobiopterin generating system by MPTP in slice experiments, but could not confirm inhibition of DHPR activity even in higher concentration of MPTP than previous reports.


Copyright © 1987, Igaku-Shoin Ltd. All rights reserved.

基本情報

電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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