The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
TorsinA and heat shock proteins act as molecular chaperones: suppression of α‐synuclein aggregation
Abstract
TorsinA, a protein with homology to yeast heat shock protein104, has previously been demonstrated to colocalize with α‐synuclein in Lewy bodies, the pathological hallmark of Parkinson's disease. Heat shock proteins are a family of chaperones that are both constitutively expressed and induced by stressors, and that serve essential functions for protein refolding and/or degradation. Here, we demonstrate that, like torsinA, specific molecular chaperone heat shock proteins colocalize with α‐synuclein in Lewy bodies. In addition, using a cellular model of α‐synuclein aggregation, we demonstrate that torsinA and specific heat shock protein molecular chaperones colocalize with α‐synuclein immunopositive inclusions. Further, overexpression of torsinA and specific heat shock proteins suppress α‐synuclein aggregation in this cellular model, whereas mutant torsinA has no effect. These data suggest that torsinA has chaperone‐like activity and that the disease‐associated GAG deletion mutant has a loss‐of‐function phenotype. Moreover, these data support a role for chaperone proteins, including torsinA and heat shock proteins, in cellular responses to neurodegenerative inclusions.
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The Biology of Proteostasis in Aging and Disease
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α-Synuclein misfolding and Parkinson's disease
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Metadata
- Authors
- McLean, P. J., Kawamata, H., Shariff, S., Hewett, J., Sharma, N., Ueda, K., Breakefield, X. O., & Hyman, B. T.
- Venue
- Journal of Neurochemistry
- Publisher
- Wiley
- Published
- 2002-11
- Volume
- 83
- Issue
- 4
- Pages
- 846-854
- ISSN
- 0022-3042 (ISSN-L)
- 1471-4159
- OpenAlex
- W1507128123
- Cited by
- 324
- References
- 26
- FWCI
- 11.51
- Type
- journal article
- Language
- en
- Open access
- closed
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- McLean, P. J., Kawamata, H., Shariff, S., Hewett, J., Sharma, N., Ueda, K., Breakefield, X. O., & Hyman, B. T. (2002). TorsinA and heat shock proteins act as molecular chaperones: suppression of α‐synuclein aggregation. Journal of Neurochemistry. https://doi.org/10.1046/j.1471-4159.2002.01190.x
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