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Marinelli, M.* ; Pappa, I.* ; Bustamante, M.* ; Bonilla, C.* ; Suarez, A.* ; Tiesler, C.M. ; Vilor-Tejedor, N.* ; Zafarmand, M.H.* ; Alvarez-Pedrerol, M.* ; Andersson, S.* ; Bakermans-Kranenburg, M.J.* ; Estivill, X.* ; Evans, D.M* ; Flexeder, C.* ; Forns, J.* ; Gonzalez, J.R.* ; Guxens, M.* ; Huss, A.* ; van IJzendoorn, M.H.* ; Jaddoe, V.W.V.* ; Julvez, J.* ; Lahti, J.* ; Lopez-Vicente, M.* ; Lopez-Espinosa, M.* ; Manz, J. ; Mileva-Seitz, V.R.* ; Perola, M.* ; Pesonen, A.* ; Rivadeneira, F.* ; Salo, P.P.* ; Shahand, S.* ; Schulz, H. ; Standl, M. ; Thiering, E. ; Timpson, N.J.* ; Torrent, M.* ; Uitterlinden, A.G.* ; Smith, G.D.* ; Estarlich, M.* ; Heinrich, J. ; Räikkönen, K.* ; Vrijkotte, T.G.M.* ; Tiemeier, H.* ; Sunyer, J.*

Heritability and genome-wide association analyses of sleep duration in children: The EAGLE Consortium.

Sleep 39, 1859-1869 (2016)
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Open Access Green
Study Objectives: Low or excessive sleep duration has been associated with multiple outcomes, but the biology behind these associations remains elusive. Specifically, genetic studies in children are scarce. In this study, we aimed to: (1) estimate the proportion of genetic variance of sleep duration in children attributed to common single nucleotide polymorphisms (SNPs), (2) identify novel SNPs associated with sleep duration in children, and (3) investigate the genetic overlap of sleep duration in children and related metabolic and psychiatric traits. Methods: We performed a population-based molecular genetic study, using data form the EArly Genetics and Life course Epidemiology (EAGLE) Consortium. 10,554 children of European ancestry were included in the discovery, and 1,250 children in the replication phase. Results: We found evidence of significant but modest SNP heritability of sleep duration in children (SNP h(2) 0.14, 95% CI [0.05, 0.23]) using the LD score regression method. A novel region at chromosome 11q13.4 (top SNP: rs74506765, P = 2.27e-08) was associated with sleep duration in children, but this was not replicated in independent studies. Nominally significant genetic overlap was only found (r(G) = 0.23, P = 0.05) between sleep duration in children and type 2 diabetes in adults, supporting the hypothesis of a common pathogenic mechanism. Conclusions: The significant SNP heritability of sleep duration in children and the suggestive genetic overlap with type 2 diabetes support the search for genetic mechanisms linking sleep duration in children to multiple outcomes in health and disease.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Snp Heritability ; Genome-wide Association Study (gwas) ; Meta-analysis ; Childhood Sleep Duration ; Pathway Analysis; Body-mass Index; Type-2 Diabetes Susceptibility; Gene-environment Interaction; United-states; Infant Sleep; Identifies 9; Metaanalysis; Loci; Population; Variants
Language
Publication Year 2016
HGF-reported in Year 2016
ISSN (print) / ISBN 0161-8105
e-ISSN 1550-9109
Journal Sleep
Quellenangaben Volume: 39, Issue: 10, Pages: 1859-1869 Article Number: , Supplement: ,
Publisher American Academy of Sleep Medicine and the Sleep Research Society
Publishing Place Westchester
Reviewing status Peer reviewed
Institute(s) Institute of Epidemiology (EPI)
POF-Topic(s) 30503 - Chronic Diseases of the Lung and Allergies
30202 - Environmental Health
Research field(s) Genetics and Epidemiology
PSP Element(s) G-503900-001
G-503900-003
G-504091-001
DOI 10.5665/sleep.6170
WOS ID WOS:000384334700011
Erfassungsdatum 2016-10-24
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