ArticleFASEB journal : official publication of the Federation of American Societies for Experimental Biology2024
Plasma membrane repair defect in Alzheimer's disease neurons is driven by the reduced dysferlin expression.
Article in FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Innovative Test Strip-Based Colorimetric Sensors Integrated With Affinity Chromatography: Acetylcholinesterase Inhibitor Screening Breakthrough in Lycium Barbarum Leaves.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Dysferlin Protein-Protein Interaction Pathways in the Organ of Corti and Spiral Ganglion Intersect with Alzheimer's Protein Pathways.International journal of molecular sciences · 2025Article
- Enhancing Membrane Repair Using Recombinant MG53/TRIM72 (rhMG53) Reduces Neurotoxicity in Alzheimer's Disease Models.Biomolecules · 2025Article
- Plasma membrane repair defect in Alzheimer's disease neurons is driven by the reduced dysferlin expression.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2024Article
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Authors and funding
10 authors.
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Abstract
Alzheimer's disease (AD) is the most common neurodegenerative disease, and a defect in neuronal plasma membrane repair could exacerbate neurotoxicity, neuronal death, and disease progression. In this study, application of AD patient cerebrospinal fluid (CSF) and recombinant human Aβ to otherwise healthy neurons induces defective neuronal plasma membrane repair in vitro and ex vivo. We identified Aβ as the biochemical component in patient CSF leading to compromised repair capacity and depleting Aβ rescued repair capacity. These elevated Aβ levels reduced expression of dysferlin, a protein that facilitates membrane repair, by altering autophagy and reducing dysferlin trafficking to sites of membrane injury. Overexpression of dysferlin and autophagy inhibition rescued membrane repair. Overall, these findings indicate an AD pathogenic mechanism where Aβ impairs neuronal membrane repair capacity and increases susceptibility to cell death. This suggests that membrane repair could be therapeutically targeted in AD to restore membrane integrity and reduce neurotoxicity and neuronal death.
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