The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.
Acetylation Targets Mutant Huntingtin to Autophagosomes for Degradation
Open accessAbstract
SUMMARY Huntington’s disease (HD) is an incurable neurodegenerative disease caused by neuronal accumulation of the mutant protein huntingtin. Improving clearance of the mutant protein is expected to prevent cellular dysfunction and neurodegeneration in HD. We report here that such clearance can be achieved by posttranslational modification of the mutant Huntingtin (Htt) by acetylation at lysine residue 444 (K444). Increased acetylation at K444 facilitates trafficking of mutant Htt into autophagosomes, significantly improves clearance of the mutant protein by macroautophagy, and reverses the toxic effects of mutant huntingtin in primary striatal and cortical neurons and in a transgenic C. elegans model of HD. In contrast, mutant Htt that is rendered resistant to acetylation dramatically accumulates and leads to neurodegeneration in cultured neurons and in mouse brain. These studies identify acetylation as a mechanism for removing accumulated protein in HD, and more broadly for actively targeting proteins for degradation by autophagy.
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Self-citationLoss of autophagy in the central nervous system causes neurodegeneration in mice
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Cited by
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Metadata
- Authors
- Jeong, H., Then, F., Melia, T. J., Mazzulli, J. R., Cui, L., Savas, J. N., Voisine, C., Paganetti, P., Tanese, N., Hart, A. C., Yamamoto, A., & Krainc, D.
- Venue
- Cell
- Publisher
- Elsevier BV
- Published
- 2009-04
- Volume
- 137
- Issue
- 1
- Pages
- 60-72
- ISSN
- 0092-8674 (ISSN-L)
- OpenAlex
- W1970254771
- Cited by
- 419
- References
- 52
- FWCI
- 17.69
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Jeong, H., Then, F., Melia, T. J., Mazzulli, J. R., Cui, L., Savas, J. N., Voisine, C., Paganetti, P., Tanese, N., Hart, A. C., Yamamoto, A., & Krainc, D. (2009). Acetylation Targets Mutant Huntingtin to Autophagosomes for Degradation. Cell. https://doi.org/10.1016/j.cell.2009.03.018
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