A Specific Mini‐Intrabody Mediates Lysosome Degradation of Mutant Huntingtin
Abstract: Accumulation of misfolded proteins leads to many neurodegenerative diseases that can be treated by lowering or removing mutant proteins. Huntington's disease (HD) is characterized by the intracellular accumulation of mutant huntingtin (mHTT) that can be soluble and aggregated in the central nervous system and causes neuronal damage and death. Here, an intracellular antibody (intrabody) fragment is generated that can specifically bind mHTT and link to the lysosome for degradation. It is found that delivery of this peptide by either brain injection or intravenous administration can efficiently clear the soluble and aggregated mHTT by activating the lysosomal degradation pathway, resulting in amelioration of gliosis and dyskinesia in HD knock‐in (KI‐140Q) mice. These findings suggest that the small intrabody peptide linked to lysosomes can effectively lower mutant proteins and provide a new approach for treating neurodegenerative diseases that are caused by the accumulation of mutant proteins.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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A Specific Mini‐Intrabody Mediates Lysosome Degradation of Mutant Huntingtin ; day:08 ; month:09 ; year:2023 ; extent:16
Advanced science ; (08.09.2023) (gesamt 16)
- Creator
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Li, Caijuan
Lin, Yingqi
Chen, Yizhi
Song, Xichen
Zheng, Xiao
Li, Jiawei
He, Jun
Chen, Xiusheng
Huang, Chunhui
Wang, Wei
Wu, Jianhao
Wu, Jiaxi
Gao, Jiale
Tu, Zhuchi
Li, Xiao‐Jiang
Yan, Sen
Li, Shihua
- DOI
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10.1002/advs.202301120
- URN
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urn:nbn:de:101:1-2023090915025273608042
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 11:00 AM CEST
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Associated
- Li, Caijuan
- Lin, Yingqi
- Chen, Yizhi
- Song, Xichen
- Zheng, Xiao
- Li, Jiawei
- He, Jun
- Chen, Xiusheng
- Huang, Chunhui
- Wang, Wei
- Wu, Jianhao
- Wu, Jiaxi
- Gao, Jiale
- Tu, Zhuchi
- Li, Xiao‐Jiang
- Yan, Sen
- Li, Shihua
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