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dc.contributor.authorHaaland, Øystein Ariansenen_US
dc.contributor.authorRomanowska, Juliaen_US
dc.contributor.authorGjerdevik, Miriamen_US
dc.contributor.authorLie, Rolv T.en_US
dc.contributor.authorGjessing, Håkon K.en_US
dc.contributor.authorJugessur, Astananden_US
dc.date.accessioned2019-11-12T12:12:13Z
dc.date.available2019-11-12T12:12:13Z
dc.date.issued2019-06-24
dc.PublishedHaaland ØA, Romanowska J, Gjerdevik M, Lie RT, Gjessing HK, Jugessur A. A genome-wide scan of cleft lip triads identifies parent-of-origin interaction effects between ANK3 and maternal smoking, and between ARHGEF10 and alcohol consumption. F1000. 2019;8:960.eng
dc.identifier.issn1759-796X
dc.identifier.urihttps://hdl.handle.net/1956/20980
dc.description.abstractBackground: Although both genetic and environmental factors have been reported to influence the risk of isolated cleft lip with or without cleft palate (CL/P), the exact mechanisms behind CL/P are still largely unaccounted for. We recently developed new methods to identify parent-of-origin (PoO) interactions with environmental exposures (PoOxE) and applied them to families with children born with isolated cleft palate only. Here, we used the same genome-wide association study (GWAS) dataset and methodology to screen for PoOxE effects in the larger sample of CL/P triads. Methods: Genotypes from 1594 complete triads and 314 dyads (1908 nuclear families in total) with CL/P were available for the current analyses. Of these families, 1024 were Asian, 825 were European and 59 had other ancestries. After quality control, 341,191 SNPs remained from the original 569,244. The exposures were maternal cigarette smoking, use of alcohol, and use of vitamin supplements in the periconceptional period. The methodology applied in the analyses is implemented in the R-package Haplin. Results: Among Europeans, there was evidence of a PoOxSmoke effect for ANK3 with three SNPs (rs3793861, q=0.20, p=2.6e-6; rs7087489, q=0.20, p=3.1e-6; rs4310561, q=0.67, p=4.0e-5) and a PoOxAlcohol effect for ARHGEF10 with two SNPs (rs2294035, q=0.32, p=2.9e-6; rs4876274, q=0.76, p=1.3e-5). Conclusion: Our results indicate that the detected PoOxE effects have a plausible biological basis, and thus warrant replication in other independent cleft samples. Our demonstration of the feasibility of identifying complex interactions between relevant environmental exposures and PoO effects offers new avenues for future research aimed at unravelling the complex etiology of cleft lip defects.en_US
dc.language.isoengeng
dc.publisherF1000Researcheng
dc.rightsAttribution CC BY 4.0eng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/eng
dc.subjectOrofacial clefteng
dc.subjectCleft lip with or without cleft palateeng
dc.subjectCase-parent triadseng
dc.subjectGene-environment interactioneng
dc.subjectParent-of-origineng
dc.subjectPoOxEeng
dc.subjectHaplineng
dc.titleA genome-wide scan of cleft lip triads identifies parent-of-origin interaction effects between ANK3 and maternal smoking, and between ARHGEF10 and alcohol consumptionen_US
dc.typeJournal article
dc.date.updated2019-10-25T10:22:31Z
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2019 Haaland ØA et al.
dc.identifier.doihttps://doi.org/10.12688/f1000research.19571.1
dc.identifier.cristin1739354
dc.source.journalF1000


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