Common Genetic Variation Indicates Separate Causes for Periventricular and Deep White Matter Hyperintensities.
brain
genome-wide association study
neuroimaging
risk factors
white matter
Journal
Stroke
ISSN: 1524-4628
Titre abrégé: Stroke
Pays: United States
ID NLM: 0235266
Informations de publication
Date de publication:
07 2020
07 2020
Historique:
pubmed:
11
6
2020
medline:
5
11
2020
entrez:
11
6
2020
Statut:
ppublish
Résumé
Periventricular white matter hyperintensities (WMH; PVWMH) and deep WMH (DWMH) are regional classifications of WMH and reflect proposed differences in cause. In the first study, to date, we undertook genome-wide association analyses of DWMH and PVWMH to show that these phenotypes have different genetic underpinnings. Participants were aged 45 years and older, free of stroke and dementia. We conducted genome-wide association analyses of PVWMH and DWMH in 26,654 participants from CHARGE (Cohorts for Heart and Aging Research in Genomic Epidemiology), ENIGMA (Enhancing Neuro-Imaging Genetics Through Meta-Analysis), and the UKB (UK Biobank). Regional correlations were investigated using the genome-wide association analyses -pairwise method. Cross-trait genetic correlations between PVWMH, DWMH, stroke, and dementia were estimated using LDSC. In the discovery and replication analysis, for PVWMH only, we found associations on chromosomes 2 ( Our study confirms these phenotypes have distinct and also shared genetic architectures. Genetic analyses indicated PVWMH was more associated with ischemic stroke whilst DWMH loci were implicated in vascular, astrocyte, and neuronal function. Our study confirms these phenotypes are distinct neuroimaging classifications and identifies new candidate genes associated with PVWMH only.
Sections du résumé
BACKGROUND AND PURPOSE
Periventricular white matter hyperintensities (WMH; PVWMH) and deep WMH (DWMH) are regional classifications of WMH and reflect proposed differences in cause. In the first study, to date, we undertook genome-wide association analyses of DWMH and PVWMH to show that these phenotypes have different genetic underpinnings.
METHODS
Participants were aged 45 years and older, free of stroke and dementia. We conducted genome-wide association analyses of PVWMH and DWMH in 26,654 participants from CHARGE (Cohorts for Heart and Aging Research in Genomic Epidemiology), ENIGMA (Enhancing Neuro-Imaging Genetics Through Meta-Analysis), and the UKB (UK Biobank). Regional correlations were investigated using the genome-wide association analyses -pairwise method. Cross-trait genetic correlations between PVWMH, DWMH, stroke, and dementia were estimated using LDSC.
RESULTS
In the discovery and replication analysis, for PVWMH only, we found associations on chromosomes 2 (
CONCLUSIONS
Our study confirms these phenotypes have distinct and also shared genetic architectures. Genetic analyses indicated PVWMH was more associated with ischemic stroke whilst DWMH loci were implicated in vascular, astrocyte, and neuronal function. Our study confirms these phenotypes are distinct neuroimaging classifications and identifies new candidate genes associated with PVWMH only.
Identifiants
pubmed: 32517579
doi: 10.1161/STROKEAHA.119.027544
pmc: PMC7365038
mid: NIHMS1594937
doi:
Types de publication
Journal Article
Meta-Analysis
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2111-2121Subventions
Organisme : Medical Research Council
ID : MR/R024065/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : G0700704
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/M013111/1
Pays : United Kingdom
Organisme : NIBIB NIH HHS
ID : U54 EB020403
Pays : United States
Organisme : NIA NIH HHS
ID : R56 AG058854
Pays : United States
Organisme : Parkinson's UK
ID : J-0901
Pays : United Kingdom
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/L023784/2
Pays : United Kingdom
Organisme : NINDS NIH HHS
ID : R01 NS062059
Pays : United States
Organisme : Medical Research Council
ID : G0701120
Pays : United Kingdom
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/F019394/1
Pays : United Kingdom
Organisme : NIBIB NIH HHS
ID : P41 EB015922
Pays : United States
Organisme : Medical Research Council
ID : MC_PC_17228
Pays : United Kingdom
Organisme : Medical Research Council
ID : G1001245
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/N027558/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : MC_QA137853
Pays : United Kingdom
Organisme : NIA NIH HHS
ID : R01 AG022381
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG050595
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG059874
Pays : United States
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