Title : Participation of brain monoamine oxidase B form in the neurotoxicity of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine: relationship between the enzyme inhibition and the neurotoxicity.

Pub. Date : 1985 Jul 31

PMID : 3876524






7 Functional Relationships(s)
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1 Participation of brain monoamine oxidase B form in the neurotoxicity of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine: relationship between the enzyme inhibition and the neurotoxicity. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine monoamine oxidase B Rattus norvegicus
2 MPTP inhibited monoamine oxidase B (MAO-B) with both a reversible (competitive, Ki = 116 microM) and an irreversible time-dependent component, but inhibition by MPP+ was reversible and competitive (Ki = 180 microM). 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine monoamine oxidase B Rattus norvegicus
3 MPTP inhibited monoamine oxidase B (MAO-B) with both a reversible (competitive, Ki = 116 microM) and an irreversible time-dependent component, but inhibition by MPP+ was reversible and competitive (Ki = 180 microM). 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine monoamine oxidase B Rattus norvegicus
4 These results, together with previous findings on metabolism of MPTP to MPP+ by brain MAO-B, suggest that MPP+ is a simple inhibitor of MAO-A and MAO-B, but MPTP might be a "suicide substrate" inhibitor for MAO-B. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine monoamine oxidase B Rattus norvegicus
5 These results, together with previous findings on metabolism of MPTP to MPP+ by brain MAO-B, suggest that MPP+ is a simple inhibitor of MAO-A and MAO-B, but MPTP might be a "suicide substrate" inhibitor for MAO-B. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine monoamine oxidase B Rattus norvegicus
6 These results, together with previous findings on metabolism of MPTP to MPP+ by brain MAO-B, suggest that MPP+ is a simple inhibitor of MAO-A and MAO-B, but MPTP might be a "suicide substrate" inhibitor for MAO-B. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine monoamine oxidase B Rattus norvegicus
7 These results, together with previous findings on metabolism of MPTP to MPP+ by brain MAO-B, suggest that MPP+ is a simple inhibitor of MAO-A and MAO-B, but MPTP might be a "suicide substrate" inhibitor for MAO-B. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine monoamine oxidase B Rattus norvegicus