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Haploinsufficiency of TBK1 causes familial ALS and fronto-temporal dementia.
Nat. Neurosci. 18, 631-636 (2015)
Amyotrophic lateral sclerosis (ALS) is a genetically heterogeneous neurodegenerative syndrome hallmarked by adult-onset loss of motor neurons. We performed exome sequencing of 252 familial ALS (fALS) and 827 control individuals. Gene-based rare variant analysis identified an exome-wide significant enrichment of eight loss-of-function (LoF) mutations in TBK1 (encoding TANK-binding kinase 1) in 13 fALS pedigrees. No enrichment of LoF mutations was observed in a targeted mutation screen of 1,010 sporadic ALS and 650 additional control individuals. Linkage analysis in four families gave an aggregate LOD score of 4.6. In vitro experiments confirmed the loss of expression of TBK1 LoF mutant alleles, or loss of interaction of the C-terminal TBK1 coiled-coil domain (CCD2) mutants with the TBK1 adaptor protein optineurin, which has been shown to be involved in ALS pathogenesis. We conclude that haploinsufficiency of TBK1 causes ALS and fronto-temporal dementia.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Amyotrophic-lateral-sclerosis; Motor-neuron Disease; Autophagy Receptor; Optineurin; Mutations; Activation; Glaucoma; Binding; Kinase; Tank
ISSN (print) / ISBN
1097-6256
e-ISSN
1546-1726
Zeitschrift
Nature Neuroscience
Quellenangaben
Band: 18,
Heft: 5,
Seiten: 631-636
Verlag
Nature Publishing Group
Verlagsort
New York
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed