Genome-wide association study reveals novel genetic loci: a new polygenic risk score for mitral valve prolapse.
Genetic correlation
Genome-wide association study
Mitral valve prolapse
Polygenic risk score
Proteomics
RNA-sequencing
Journal
European heart journal
ISSN: 1522-9645
Titre abrégé: Eur Heart J
Pays: England
ID NLM: 8006263
Informations de publication
Date de publication:
01 05 2022
01 05 2022
Historique:
received:
02
02
2021
revised:
18
08
2021
accepted:
01
02
2022
pubmed:
5
3
2022
medline:
4
5
2022
entrez:
4
3
2022
Statut:
ppublish
Résumé
Mitral valve prolapse (MVP) is a common valvular heart disease with a prevalence of >2% in the general adult population. Despite this high incidence, there is a limited understanding of the molecular mechanism of this disease, and no medical therapy is available for this disease. We aimed to elucidate the genetic basis of MVP in order to better understand this complex disorder. We performed a meta-analysis of six genome-wide association studies that included 4884 cases and 434 649 controls. We identified 14 loci associated with MVP in our primary analysis and 2 additional loci associated with a subset of the samples that additionally underwent mitral valve surgery. Integration of epigenetic, transcriptional, and proteomic data identified candidate MVP genes including LMCD1, SPTBN1, LTBP2, TGFB2, NMB, and ALPK3. We created a polygenic risk score (PRS) for MVP and showed an improved MVP risk prediction beyond age, sex, and clinical risk factors. We identified 14 genetic loci that are associated with MVP. Multiple analyses identified candidate genes including two transforming growth factor-β signalling molecules and spectrin β. We present the first PRS for MVP that could eventually aid risk stratification of patients for MVP screening in a clinical setting. These findings advance our understanding of this common valvular heart disease and may reveal novel therapeutic targets for intervention.
Identifiants
pubmed: 35245370
pii: 6542554
doi: 10.1093/eurheartj/ehac049
pmc: PMC9649914
doi:
Substances chimiques
LTBP2 protein, human
0
Latent TGF-beta Binding Proteins
0
Types de publication
Journal Article
Meta-Analysis
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
1668-1680Subventions
Organisme : NHLBI NIH HHS
ID : R01 HL149696
Pays : United States
Organisme : NIGMS NIH HHS
ID : P20 GM103444
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL131546
Pays : United States
Organisme : NHLBI NIH HHS
ID : K23 HL116652
Pays : United States
Organisme : NHLBI NIH HHS
ID : R03 HL145238
Pays : United States
Commentaires et corrections
Type : CommentIn
Informations de copyright
© The Author(s) 2022. Published by Oxford University Press on behalf of European Society of Cardiology. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
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