The results identify a sequence-encoded mechanism linking disease-associated mutations to altered condensate behavior and amyloid aggregation, providing molecular insights into how aberrant phase transitions may contribute to hnRNPA2B1-associated disease.
The RNA-binding protein YTHDC1 is identified as an ATP-independent molecular chaperone that prevents harmful protein aggregation, revealing a link between RNA regulation and protein quality control in neurodegeneration.
Kang Ren, Ming-Jie Cheng, Qiudan Luo et al.· Nature Communications· 0 citations
A proteoform-by-environment model for IDP structure is established, in which phosphorylation effects are not fixed but are rewritten by the surrounding chemical environment, which distinguishes broad contact accessibility from the residue-level contacts that dominate each condition.
Ashlyn N. Dollar, Daniel W. Kelley, Ian K. Webb· Journal of the American Chem...· 0 citations
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder marked by motor neuron loss and has been genetically linked to mutations in RNA-binding proteins. A mutation D262V in the RNA-binding protein hnRNPA1, found in a subset of ALS patients, causes widespread splicing pattern changes. Cells expr...
Ye-On J. Lee, Ko-Ning Shen, A. Dillin et al.· Genes & Development· 0 citations
It is revealed that NTD–CTD electrostatic crosstalk acts as the key modulator of α-synuclein phase separation, while NAC–NAC interactions play an auxiliary role, both of which synergistically govern α-synuclein phase separation.
The findings uncover ARPP21 as a previously unrecognized TDP-43-independent aggregation pathway in ALS, with implications for disease heterogeneity and therapeutic targeting, and Mechanistically, ARPP21 promoted intercellular propagation by inducing tunnelling nanotube formation, enabling efficient cell-to-cell spreadi...
D. Campos-Melo, A. Dilliott, S. Farhan et al.· bioRxiv· 0 citations
A comprehensive evaluation of the VPS35 protein interactome is provided and a selective effect of the PD-linked D620N mutation in mammalian cells and brain is revealed, providing key insight into the mechanisms of retromer dysfunction in VPS35-linked PD.
Erin T. Williams, Maxwell Frye, Xi Chen et al.· Neurobiology of Disease· 0 citations
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