ArticleNPJ Parkinson's disease2025
EGFR phosphorylates DNAJB1 to suppress α-synuclein aggregation in Parkinson's disease.
Article in NPJ Parkinson's disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it.
- MicroRNA-7: a versatile player and core target in brain disorders.Journal of translational medicine · 2026Pooled it
- Epidermal growth factor receptor modulation for neural repair: Implications for neurodegenerative disease therapy.Frontiers in molecular neuroscience · 2026Review
- Co-Existing Charcot-Marie-Tooth Disease Type II and Parkinson's Disease Linked to a Novel DNAjB2 Pathogenic Variant.Journal of central nervous system disease · 2026Article
- DnaJB1 chaperone inhibits tau aggregation by recognizing its N-terminus.bioRxiv : the preprint server for biology · 2025Article
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Authors and funding
9 authors.
Funding
Abstract
Parkinson's disease (PD), characterized by α-synuclein accumulation in dopaminergic neurons, is a common neurodegenerative disorder. Recent findings highlight DNAJB1 as a crucial factor in the disaggregation of α-synuclein fibrils in vitro, yet the underlying mechanisms and regulatory processes in neuronal cells remain largely undefined. This study reveals that DNAJB1 facilitates the clearance of α-synuclein via the Hsp70 chaperone system. Phosphorylation of DNAJB1 at tyrosine 5 by the epidermal growth factor receptor (EGFR) is essential for mitigating α-synuclein aggregation, enhancing its interaction with Hsp70. Dysregulation of this pathway disrupts α-synuclein delivery to Hsp70, worsening aggregation in neuronal cells. Analysis of human brain lysates from individuals with PD and unaffected controls showed reduced levels of EGFR and DNAJB1, with an increase in phosphorylated DNAJB1 at Y5. These findings elucidate mechanisms in PD pathology and suggest DNAJB1 as a promising candidate for targeted therapeutic strategies.
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Registered trials
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