当前位置： SCI文献检索 > CHEMICAL RESEARCH IN TOXICOLOGY期刊下所有文献 > Studies on 4-benzyl-1-methyl-1,2,3,6-tetrahydropyridine, a nonneurotoxic analogue of the parkinsonian inducing agent 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine.

Studies on 4-benzyl-1-methyl-1,2,3,6-tetrahydropyridine, a nonneurotoxic analogue of the parkinsonian inducing agent 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine.

Abstract：

:Previous reports indicate that 4-benzyl-1-methyl-1,2,3,6-tetrahydropyridine (BMTP), the benzyl analogue of the Parkinsonian inducing neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), is not neurotoxic in the C-57 black mouse even when administered at a dose 10 times greater than the dose of MPTP required to cause an 85% depletion of neostriatal dopamine. Intrastriatal microdialysis in the rat with the corresponding 4-benzyl-1-methylpyridinium ion BMP+ for 60 min, however, causes nerve terminal destruction similar to that observed following a 15-min perfusion with the 1-methyl-4-phenylpyridinium ion MPP+, the monoamine oxidase B (MAO-B) generated metabolite derived from MPTP. With the aid of purified beef liver MAO-B and synthetic standards, we observed the efficient and quantitative conversion of BMTP to the corresponding 2,3-dihydropyridinium intermediate BMDP+, which underwent further, but incomplete, oxidation to BMP+. These MPTP-type properties point to in vivo effects, such as pharmacokinetic parameters and/or alternative metabolic pathways, to account for BMTP's lack of neurotoxicity.

journal_name

Chem Res Toxicol

journal_title

Chemical research in toxicology

authors

Naiman N,Rollema H,Johnson E,Castagnoli N Jr

doi

10.1021/tx00014a008

subject

Has Abstract

pub_date

1990-03-01 00:00:00

pages

133-8

issue

2

eissn

0893-228X

issn

1520-5010

journal_volume

3

pub_type

杂志文章

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