Heterogeneity-based genome search meta-analysis for preeclampsia

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dc.contributor.authorZintzaras, E.en
dc.contributor.authorKitsios, G.en
dc.contributor.authorHarrison, G. A.en
dc.contributor.authorLaivuori, H.en
dc.contributor.authorKivinen, K.en
dc.contributor.authorKere, J.en
dc.contributor.authorMessinis, I.en
dc.contributor.authorStefanidis, I.en
dc.contributor.authorIoannidis, J. P.en
dc.date.accessioned2015-11-24T19:13:57Z
dc.date.available2015-11-24T19:13:57Z
dc.identifier.issn0340-6717-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/21247
dc.rightsDefault Licence-
dc.subjectChromosome Mappingen
dc.subjectChromosomes, Humanen
dc.subjectDatabases, Geneticen
dc.subjectFemaleen
dc.subject*Genetic Heterogeneityen
dc.subject*Genome, Humanen
dc.subjectHumansen
dc.subjectPhenotypeen
dc.subjectPre-Eclampsia/*geneticsen
dc.subjectPregnancyen
dc.titleHeterogeneity-based genome search meta-analysis for preeclampsiaen
heal.abstractPreeclampsia is a pregnancy-related disorder that causes maternal and fetal morbidity and mortality. Its exact inheritance pattern is still unknown, and genome searches for identifying susceptibility loci for preeclampsia have thus far produced inconclusive or inconsistent results. We performed a heterogeneity-based genome search meta-analysis (HEGESMA) that synthesized the available genome scan data on preeclampsia. HEGESMA identifies genetic regions (bins) that rank highly on average in terms of linkage statistics across genome scans (searches). The significance of each bin's average rank and heterogeneity across scans was calculated using Monte Carlo tests. The meta-analysis involved four genome-scans on general preeclampsia and five scans on severe preeclampsia. In general preeclampsia, 13 bins had significantly high average rank (Prank< 0.05) by either unweighted or weighted analyses, while four of them (2p11.2-2q21.1, 9q21.32-9q31.2, 2p15-2p11.2, 2q32.1-2q35) were formally significant by both analyses. Heterogeneity of bin 2.8 (2q32.1-2q35) was significantly low in both unweighted and weighted analysis (PQ< 0.01). In severe preeclampsia, 10 bins had significantly high average rank by either unweighted or weighted analyses and five of them (3q11.1-3q21.2, 2q37.1-2q37.3, 18p11.32-18p11.22, 2p15-2p11.2, 7q34-7q36.3) were significant by both analyses. Bin 2q37.1-2q37.3 showed marginal low heterogeneity in unweighted and weighted analysis (PQ= 0.06). Results should be interpreted with caution as the p values were modest. Further investigation of these regions by genotyping with additional markers and families may help to direct the identification of candidate genes for preeclampsia.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primary10.1007/s00439-006-0214-1-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/16868762-
heal.identifier.secondaryhttp://www.springerlink.com/content/a48764206113wwj8/fulltext.pdf-
heal.journalNameHum Geneten
heal.journalTypepeer-reviewed-
heal.languageen-
heal.publicationDate2006-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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