ArticleScientific reports2024
Pathogenic mutations in UBQLN2 exhibit diverse aggregation propensity and neurotoxicity.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 17 citations in OpenAlex.
- ALS mutations disrupt self-association between the ubiquilin STI1 hydrophobic groove and internal placeholder sequences.The EMBO journal · 2026Article
- Autophagy and mitophagy at the synapse and beyond: implications for learning, memory and neurological disorders.Autophagy · 2026Review
- Ubiquilin-2 liquid droplets catalyze α-synuclein fibril formation.The EMBO journal · 2025Article
- UBQLN2 in neurodegenerative disease: mechanistic insights and emerging therapeutic potential.Biochemical Society transactions · 2025Review
- Synaptic Vesicle-Related Proteins and Ubiquilin 2 in Cortical Synaptosomes Mediate Cognitive Impairment in Vascular Dementia Rats.Molecular neurobiology · 2025Article
- The role of autophagy in the pathogenesis and treatment of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD).Autophagy reports · 2025Review
- Phase separation of polyubiquitinated proteins in UBQLN2 condensates controls substrate fate.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Phase separation of polyubiquitinated proteins in UBQLN2 condensates controls substrate fate.bioRxiv : the preprint server for biology · 2024Article
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Authors and funding
9 authors at 2 institutions in 1 country.
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Abstract
The ubiquitin-adaptor protein UBQLN2 promotes degradation of several aggregate-prone proteins implicated in neurodegenerative diseases. Missense UBQLN2 mutations also cause X-linked amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). Previously we demonstrated that the liquid-like properties of UBQLN2 molecular assemblies are altered by a specific pathogenic mutation, P506T, and that the propensity of UBQLN2 to aggregate correlated with neurotoxicity. Here, we systematically assess the effects of multiple, spatially distinct ALS/FTD-linked missense mutations on UBQLN2 aggregation propensity, neurotoxicity, phase separation, and autophagic flux. In contrast to what we observed for the P506T mutation, no other tested pathogenic mutant exhibited a clear correlation between aggregation propensity and neurotoxicity. These results emphasize the unique nature of pathogenic UBQLN2 mutations and argue against a generalizable link between aggregation propensity and neurodegeneration in UBQLN2-linked ALS/FTD.
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