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Cited by 364

The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Sensitivity to Oxidative Stress in DJ-1-Deficient Dopamine Neurons: An ES- Derived Cell Model of Primary Parkinsonism

Open access
Martinat, Cecile, Shendelman, Shoshana, Jonason, Alan, Leete, Thomas, Beal, M. Flint, Yang, Lichuan, Floss, Thomas, Abeliovich, Asa·2004·PLoS Biology

Abstract

The hallmark of Parkinson's disease (PD) is the selective loss of dopamine neurons in the ventral midbrain. Although the cause of neurodegeneration in PD is unknown, a Mendelian inheritance pattern is observed in rare cases, indicating a genetic factor. Furthermore, pathological analyses of PD substantia nigra have correlated cellular oxidative stress and altered proteasomal function with PD. Homozygous mutations in DJ-1 were recently described in two families with autosomal recessive Parkinsonism, one of which is a large deletion that is likely to lead to loss of function. Here we show that embryonic stem cells deficient in DJ-1 display increased sensitivity to oxidative stress and proteasomal inhibition. The accumulation of reactive oxygen species in toxin-treated DJ-1-deficient cells initially appears normal, but these cells are unable to cope with the consequent damage that ultimately leads to apoptotic death. Furthermore, we find that dopamine neurons derived from in vitro-differentiated DJ-1-deficient embryonic stem cells display decreased survival and increased sensitivity to oxidative stress. These data are consistent with a protective role for DJ-1, and demonstrate the utility of genetically modified embryonic stem cell-derived neurons as cellular models of neuronal disorders.

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Crossref · 10.1371/journal.pbio.0020327

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Metadata

Authors
Martinat, C., Shendelman, S., Jonason, A., Leete, T., Beal, M. F., Yang, L., Floss, T., & Abeliovich, A.
Venue
PLoS Biology
Published
2004-10-05
Volume
2
Issue
11
Pages
e327
ISSN
  • 1544-9173 (ISSN-L)
  • 1545-7885
OpenAlex
W1985399632
Cited by
364
References
42
FWCI
18.78
Type
journal article
Language
en
Open access
gold

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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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