Exome-chip association analysis of intracranial aneurysms.
Adolescent
Adult
Aged
Aged, 80 and over
Calcium-Binding Proteins
/ genetics
Case-Control Studies
Exome
/ genetics
Extracellular Matrix Proteins
/ genetics
Female
Gene Frequency
Genetic Predisposition to Disease
Genotype
Humans
Intracranial Aneurysm
/ genetics
Male
Middle Aged
Netherlands
Oligonucleotide Array Sequence Analysis
Polymorphism, Single Nucleotide
Young Adult
Journal
Neurology
ISSN: 1526-632X
Titre abrégé: Neurology
Pays: United States
ID NLM: 0401060
Informations de publication
Date de publication:
04 02 2020
04 02 2020
Historique:
received:
15
01
2019
accepted:
01
08
2019
pubmed:
17
11
2019
medline:
19
5
2020
entrez:
17
11
2019
Statut:
ppublish
Résumé
To investigate to what extent low-frequency genetic variants (with minor allele frequencies <5%) affect the risk of intracranial aneurysms (IAs). One thousand fifty-six patients with IA and 2,097 population-based controls from the Netherlands were genotyped with the Illumina HumanExome BeadChip. After quality control (QC) of samples and single nucleotide variants (SNVs), we conducted a single variant analysis using the Fisher exact test. We also performed the variable threshold (VT) test and the sequence kernel association test (SKAT) at different minor allele count (MAC) thresholds of >5 and >0 to test the hypothesis that multiple variants within the same gene are associated with IA risk. Significant results were tested in a replication cohort of 425 patients with IA and 311 controls, and results of the 2 cohorts were combined in a meta-analysis. After QC, 995 patients with IA and 2,080 controls remained for further analysis. The single variant analysis comprising 46,534 SNVs did not identify significant loci at the genome-wide level. The gene-based tests showed a statistically significant association for fibulin 2 ( Gene-based tests indicated an association for
Identifiants
pubmed: 31732565
pii: WNL.0000000000008665
doi: 10.1212/WNL.0000000000008665
pmc: PMC7080288
doi:
Substances chimiques
Calcium-Binding Proteins
0
Extracellular Matrix Proteins
0
fibulin 2
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e481-e488Subventions
Organisme : NINDS NIH HHS
ID : R01 NS039512
Pays : United States
Organisme : NINDS NIH HHS
ID : R03 NS083468
Pays : United States
Informations de copyright
© 2019 American Academy of Neurology.
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