Genome-wide structural variant analysis identifies risk loci for non-Alzheimer's dementias

  • PROSPECT Consortium
  • , The American Genome Center
  • , International LBD Genomics Consortium
  • , International ALS/FTD Consortium

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

We characterized the role of structural variants, a largely unexplored type of genetic variation, in two non-Alzheimer's dementias, namely Lewy body dementia (LBD) and frontotemporal dementia (FTD)/amyotrophic lateral sclerosis (ALS). To do this, we applied an advanced structural variant calling pipeline (GATK-SV) to short-read whole-genome sequence data from 5,213 European-ancestry cases and 4,132 controls. We discovered, replicated, and validated a deletion in TPCN1 as a novel risk locus for LBD and detected the known structural variants at the C9orf72 and MAPT loci as associated with FTD/ALS. We also identified rare pathogenic structural variants in both LBD and FTD/ALS. Finally, we assembled a catalog of structural variants that can be mined for new insights into the pathogenesis of these understudied forms of dementia.

Lingua originaleInglese
Numero di articolo100316
RivistaCell Genomics
Volume3
Numero di pubblicazione6
DOI
Stato di pubblicazionePubblicato - 14 giu 2023

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