Cluster effect for SNP-SNP interaction pairs for predicting complex traits.
Cluster
False positivity
SNP interaction
Simulation
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
12 Aug 2024
12 Aug 2024
Historique:
received:
08
02
2024
accepted:
01
07
2024
medline:
13
8
2024
pubmed:
13
8
2024
entrez:
12
8
2024
Statut:
epublish
Résumé
Single nucleotide polymorphism (SNP) interactions are the key to improving polygenic risk scores. Previous studies reported several significant SNP-SNP interaction pairs that shared a common SNP to form a cluster, but some identified pairs might be false positives. This study aims to identify factors associated with the cluster effect of false positivity and develop strategies to enhance the accuracy of SNP-SNP interactions. The results showed the cluster effect is a major cause of false-positive findings of SNP-SNP interactions. This cluster effect is due to high correlations between a causal pair and null pairs in a cluster. The clusters with a hub SNP with a significant main effect and a large minor allele frequency (MAF) tended to have a higher false-positive rate. In addition, peripheral null SNPs in a cluster with a small MAF tended to enhance false positivity. We also demonstrated that using the modified significance criterion based on the 3 p-value rules and the bootstrap approach (3pRule + bootstrap) can reduce false positivity and maintain high true positivity. In addition, our results also showed that a pair without a significant main effect tends to have weak or no interaction. This study identified the cluster effect and suggested using the 3pRule + bootstrap approach to enhance SNP-SNP interaction detection accuracy.
Identifiants
pubmed: 39134575
doi: 10.1038/s41598-024-66311-7
pii: 10.1038/s41598-024-66311-7
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
18677Subventions
Organisme : U.S. Department of Defense
ID : PC220560
Informations de copyright
© 2024. The Author(s).
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