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- W2981304872 endingPage "104639" @default.
- W2981304872 startingPage "104639" @default.
- W2981304872 abstract "Stress granules (SGs) are dynamic membraneless compartments composed out of RNA-binding proteins (RBPs) and RNA molecules that assemble temporarily to allow the cell to cope with cellular stress by stalling mRNA translation and moving synthesis towards cytoprotective proteins. Aberrant SGs have become prime suspects in the nucleation of toxic protein aggregation in frontotemporal dementia (FTD) and amyotrophic lateral sclerosis (ALS). Perturbed SG dynamics appears to be mediated by alterations in RNA binding proteins (RBP). Indeed, a growing number of FTD and/or ALS related RBPs coding genes (TDP43, FUS, EWSR1, TAF15, hnRNPA1, hnRNPA2B1, ATXN2, TIA1) have been identified to interfere with SG formation through mutation of their low-complexity domain (LCD), and thereby cause or influence disease. Interestingly, disease pathways associated to the C9orf72 repeat expansion, the leading genetic cause of the FTD-ALS spectrum, intersect with SG-mediated protein aggregate formation. In this review, we provide a comprehensive overview of known SG proteins and their genetic contribution to the FTD-ALS spectrum. Importantly, multiple LCD-baring RBPs have already been identified in FTD-ALS that have not yet been genetically linked to disease. These should be considered candidate genes and offer opportunities for gene prioritization when mining sequencing data of unresolved FTD and ALS. Further, we zoom into the current understanding of the molecular processes of perturbed RBP function leading to disturbed SG dynamics, RNA metabolism, and pathological inclusions. Finally, we indicate how these gained insights open new avenues for therapeutic strategies targeting phase separation and SG dynamics to reverse pathological protein aggregation and protect against toxicity." @default.
- W2981304872 created "2019-10-25" @default.
- W2981304872 creator A5013163624 @default.
- W2981304872 creator A5055252065 @default.
- W2981304872 creator A5060034564 @default.
- W2981304872 date "2020-02-01" @default.
- W2981304872 modified "2023-09-29" @default.
- W2981304872 title "Stress granule mediated protein aggregation and underlying gene defects in the FTD-ALS spectrum" @default.
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