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- Willemse, SW, et al.
(författare)
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UNC13A in amyotrophic lateral sclerosis: from genetic association to therapeutic target
- 2023
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Ingår i: Journal of neurology, neurosurgery, and psychiatry. - : BMJ. - 1468-330X .- 0022-3050. ; 94:8, s. 649-656
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Tidskriftsartikel (refereegranskat)abstract
- Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease with limited treatment options and an incompletely understood pathophysiology. Although genomewide association studies (GWAS) have advanced our understanding of the disease, the precise manner in which risk polymorphisms contribute to disease pathogenesis remains unclear. Of relevance, GWAS have shown that a polymorphism (rs12608932) in theUNC13Agene is associated with risk for both ALS and frontotemporal dementia (FTD). Homozygosity for the C-allele at rs12608932 modifies the ALS phenotype, as these patients are more likely to have bulbar-onset disease, cognitive impairment and FTD at baseline as well as shorter survival. UNC13A is expressed in neuronal tissue and is involved in maintaining synaptic active zones, by enabling the priming and docking of synaptic vesicles. In the absence of functional TDP-43, risk variants inUNC13Alead to the inclusion of a cryptic exon inUNC13Amessenger RNA, subsequently leading to nonsense mediated decay, with loss of functional protein. Depletion ofUNC13Aleads to impaired neurotransmission. Recent discoveries have identifiedUNC13Aas a potential target for therapy development in ALS, with a confirmatory trial with lithium carbonate inUNC13Acases now underway and future approaches with antisense oligonucleotides currently under consideration. ConsideringUNC13Ais a potent phenotypic modifier, it may also impact clinical trial outcomes. This present review describes the path from the initial discovery ofUNC13Aas a risk gene in ALS to the current therapeutic options being explored and how knowledge of its distinct phenotype needs to be taken into account in future trials.
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- van Eijk, RPA, et al.
(författare)
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TRICALS: creating a highway toward a cure
- 2020
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Ingår i: Amyotrophic lateral sclerosis & frontotemporal degeneration. - : Informa UK Limited. - 2167-9223 .- 2167-8421. ; 21:7-8, s. 496-501
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Tidskriftsartikel (refereegranskat)
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