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Cited by 232

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Effect of the overexpression of wild‐type or mutant α‐synuclein on cell susceptibility to insult

Open access
Lee, MoonHee, Hyun, Dong‐Hoon, Halliwell, Barry, Jenner, Peter·2001·Journal of Neurochemistry

Abstract

Mutations in α‐synuclein (A30P and A53T) are involved in some cases of familial Parkinson's disease (FPD), but it is not known how they result in nigral cell death. We examined the effect of α‐synuclein overexpression on the response of cells to various insults. Wild‐type α‐synuclein and α‐synuclein mutations associated with FPD were overexpressed in NT‐2/D1 and SK‐N‐MC cells. Overexpression of wild‐type α‐synuclein delayed cell death induced by serum withdrawal or H 2 O 2, but did not delay cell death induced by 1‐methyl‐4‐phenylpyridinium ion (MPP+). By contrast, wild‐type α‐synuclein transfectants were sensitive to viability loss induced by staurosporine, lactacystin or 4‐hydroxy‐2‐trans‐nonenal (HNE). Decreases in glutathione (GSH) levels were attenuated by wild‐type α‐synuclein after serum deprivation, but were aggravated following lactacystin or staurosporine treatment. Mutant α‐synucleins increased levels of 8‐hydroxyguanine, protein carbonyls, lipid peroxidation and 3‐nitrotyrosine, and markedly accelerated cell death in response to all the insults examined. The decrease in GSH levels was enhanced in mutant α‐synuclein transfectants. The loss of viability induced by toxic insults was by apoptosic mechanism. The presence of abnormal α‐synucleins in substantia nigra in PD may increase neuronal vulnerability to a range of toxic agents.

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Crossref · 10.1046/j.1471-4159.2001.00149.x

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Metadata

Authors
Lee, M., Hyun, D., Halliwell, B., & Jenner, P.
Venue
Journal of Neurochemistry
Publisher
Wiley
Published
2001-02
Volume
76
Issue
4
Pages
998-1009
ISSN
  • 0022-3042 (ISSN-L)
  • 1471-4159
OpenAlex
W1557235501
Cited by
232
References
7
FWCI
19.46
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Effect of the overexpression of wild‐type or mutant α‐synuclein on cell susceptibility to insult. https://app.cochat.ai/papers/10.1046/j.1471-4159.2001.00149.x
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Lee, M., Hyun, D., Halliwell, B., & Jenner, P. (2001). Effect of the overexpression of wild‐type or mutant α‐synuclein on cell susceptibility to insult. Journal of Neurochemistry. https://doi.org/10.1046/j.1471-4159.2001.00149.x

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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