Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/98665
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dc.contributor.authorTyrrell, J.en
dc.contributor.authorHuikari, V.en
dc.contributor.authorChristie, J.en
dc.contributor.authorCavadino, A.en
dc.contributor.authorBakker, R.en
dc.contributor.authorBrion, M.en
dc.contributor.authorGeller, F.en
dc.contributor.authorPaternoster, L.en
dc.contributor.authorMyhre, R.en
dc.contributor.authorPotter, C.en
dc.contributor.authorJohnson, P.en
dc.contributor.authorEbrahim, S.en
dc.contributor.authorFeenstra, B.en
dc.contributor.authorHartikainen, A.en
dc.contributor.authorHattersley, A.en
dc.contributor.authorHofman, A.en
dc.contributor.authorKaakinen, M.en
dc.contributor.authorLowe, L.en
dc.contributor.authorMagnus, P.en
dc.contributor.authorMcConnachie, A.en
dc.contributor.authoret al.en
dc.date.issued2012en
dc.identifier.citationHuman Molecular Genetics, 2012; 21(24):5344-5358en
dc.identifier.issn0964-6906en
dc.identifier.issn1460-2083en
dc.identifier.urihttp://hdl.handle.net/2440/98665-
dc.description.abstractMaternal smoking during pregnancy is associated with low birth weight. Common variation at rs1051730 is robustly associated with smoking quantity and was recently shown to influence smoking cessation during pregnancy, but its influence on birth weight is not clear. We aimed to investigate the association between this variant and birth weight of term, singleton offspring in a well-powered meta-analysis. We stratified 26 241 European origin study participants by smoking status (women who smoked during pregnancy versus women who did not smoke during pregnancy) and, in each stratum, analysed the association between maternal rs1051730 genotype and offspring birth weight. There was evidence of interaction between genotype and smoking (P = 0.007). In women who smoked during pregnancy, each additional smoking-related T-allele was associated with a 20 g [95% confidence interval (95% CI): 4-36 g] lower birth weight (P = 0.014). However, in women who did not smoke during pregnancy, the effect size estimate was 5 g per T-allele (95% CI: -4 to 14 g; P = 0.268). To conclude, smoking status during pregnancy modifies the association between maternal rs1051730 genotype and offspring birth weight. This strengthens the evidence that smoking during pregnancy is causally related to lower offspring birth weight and suggests that population interventions that effectively reduce smoking in pregnant women would result in a reduced prevalence of low birth weight.en
dc.description.statementofresponsibilityJessica Tyrrell ... Debbie A. Lawlor ... et al. for the Early Growth Genetics (EGG) Consortiumen
dc.language.isoenen
dc.publisherOxford University Pressen
dc.rights© The Author 2012. Published by Oxford University Press. All rights reserved. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.5), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.subjectEarly Growth Genetics (EGG) Consortium; Receptors, Nicotinicen
dc.titleGenetic variation in the 15q25 nicotinic acetylcholine receptor gene cluster (CHRNA5-CHRNA3-CHRNB4) interacts with maternal self-reported smoking status during pregnancy to influence birth weighten
dc.typeJournal articleen
dc.identifier.rmid0030042946en
dc.identifier.doi10.1093/hmg/dds372en
dc.identifier.pubid232919-
pubs.library.collectionMedicine publicationsen
pubs.library.teamDS08en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Medicine publications

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