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dc.contributor.authorJugessur, Astananden_US
dc.contributor.authorShi, Minen_US
dc.contributor.authorGjessing, Håkon K.en_US
dc.contributor.authorLie, Rolv Terjeen_US
dc.contributor.authorWilcox, Allen Jamesen_US
dc.contributor.authorWeinberg, Clarice Ringen_US
dc.contributor.authorChristensen, Kaareen_US
dc.contributor.authorBoyles, Abee Lowmanen_US
dc.contributor.authorDaack-Hirsch, Sandraen_US
dc.contributor.authorNguyen, Truc Trungen_US
dc.contributor.authorChristiansen, Leneen_US
dc.contributor.authorLidral, Andrew Carlen_US
dc.contributor.authorMurray, Jeffrey Clarken_US
dc.PublishedPLoS ONE 5(7): e11493en
dc.description.abstractBackground Fetal conditions can in principle be affected by the mother's genotype working through the prenatal environment. Methodology/Principal Findings Genotypes for 1536 SNPs in 357 cleft candidate genes were available from a previous analysis in which we focused on fetal gene effects [1]. After data-cleaning, genotypes for 1315 SNPs in 334 autosomal genes were available for the current analysis of maternal gene effects. Two complementary statistical methods, TRIMM and HAPLIN, were used to detect multi-marker effects in population-based samples from Norway (562 case-parent and 592 control-parent triads) and Denmark (235 case-parent triads). We analyzed isolated cleft lip with or without cleft palate (iCL/P) and isolated cleft palate only (iCP) separately and assessed replication by looking for genes detected in both populations by both methods. In iCL/P, neither TRIMM nor HAPLIN detected more genes than expected by chance alone; furthermore, the selected genes were not replicated across the two methods. In iCP, however, FLNB was identified by both methods in both populations. Although HIC1 and ZNF189 did not fully satisfy our stringency criterion for replication, they were strongly associated with iCP in TRIMM analyses of the Norwegian triads. Conclusion/Significance Except for FLNB, HIC1 and ZNF189, maternal genes did not appear to influence the risk of clefting in our data. This is consistent with recent epidemiological findings showing no apparent difference between mother-to-offspring and father-to-offspring recurrence of clefts in these two populations. It is likely that fetal genes make the major genetic contribution to clefting risk in these populations, but we cannot rule out the possibility that maternal genes can affect risk through interactions with specific teratogens or fetal genes.en_US
dc.publisherPublic Library of Scienceeng
dc.rightsAttribution CC BYeng
dc.titleMaternal genes and facial clefts in offspring: a comprehensive search for genetic associations in two population-based cleft studies from Scandinaviaen_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderCopyright 2010 Jugessur et al.
dc.rights.holderJugessur et al.
dc.subject.nsiVDP::Medisinske Fag: 700::Basale medisinske, odontologiske og veterinærmedisinske fag: 710::Medisinsk genetikk: 714nob

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