Pathogenic mutation in VPS35 impairs its protection against MPP(+) cytotoxicity.
Pathogenic mutation in VPS35 impairs its protection against MPP(+) cytotoxicity.
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DOI:
10.7150/ijbs.5617
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发表时间:
2013
影响因子:
9.2
通讯作者:
Zhou H
中科院分区:
文献类型:
--
作者:
Bi F;Li F;Huang C;Zhou H
Parkinson's disease primarily results from progressive degeneration of dopaminergic neurons in the substantia nigra. Both neuronal toxicants and genetic factors are suggested to be involved in the disease pathogenesis. The mitochondrial toxicant 1-methyl-4-phenylpyridinium (MPP+) shows a highly selective toxicity to dopaminergic neurons. Recent studies indicate that mutation in the vacuolar protein sorting 35 (vps35) gene segregates with Parkinson's disease in some families, but how mutation in the vps35 gene causes dopaminergic cell death is not known. Here, we report that enhanced VPS35 expression protected dopaminergic cells against MPP+ toxicity and that this neuroprotection was compromised by pathogenic mutation in the gene. A loss of neuroprotective functions contributes to the pathogenesis of VPS35 mutation in Parkinson's disease.
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Xia XG;Zhou H;Samper E;Melov S;Xu Z
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Heutink, P
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10.1073/pnas.181182298
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