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dc.contributor.authorSeppälä TT
dc.contributor.authorPylvänäinen K
dc.contributor.authorMecklin JP
dc.date.accessioned2018-01-12T09:10:18Z
dc.date.available2018-01-12T09:10:18Z
dc.date.issued2017
dc.identifier.urihttps://erepo.uef.fi/handle/123456789/5165
dc.description.abstractMany Lynch syndrome (LS) carriers remain unidentified, thus missing early cancer detection and prevention opportunities. Tested probands should inform their relatives about cancer risk and options for genetic counselling and predictive gene testing, but many fail to undergo testing. To assess predictive testing uptake and demographic factors influencing this decision in LS families, a cross-sectional registry-based cohort study utilizing the Finnish Lynch syndrome registry was undertaken. Tested LS variant probands (1184) had 2068 children divided among three generations: 660 parents and 1324 children (first), 445 and 667 (second), and 79 and 77 (third). Of children aged >18 years, 801 (67.4%), 146 (43.2%), and 5 (23.8%), respectively, were genetically tested. Together, 539 first-generation LS variant carriers had 2068 children and grandchildren (3.84 per carrier). Of the 1548 (2.87 per carrier) eligible children, 952 (61.5%) were tested (1.77 per carrier). In multivariate models, age (OR 1.08 per year; 95% CI 1.06–1.10), family gene (OR 2.83; 1.75–4.57 for MLH1 and 2.59; 1.47–4.56 for MSH2 compared with MSH6), one or more tested siblings (OR 6.60; 4.82–9.03), no siblings (OR 4.63; 2.64–8.10), and parent under endoscopic surveillance (OR 5.22; 2.41–11.31) were independent predictors of having genetic testing. Examples of parental adherence to regular surveillance and genetically tested siblings strongly influenced children at 50% risk of LS to undergo predictive gene testing. High numbers of untested, adult at-risk individuals exist even among well-established cohorts of known LS families with good adherence to endoscopic surveillance.en
dc.language.isoENen
dc.publisherSpringer Natureen
dc.relation.ispartofseriesEUROPEAN JOURNAL OF HUMAN GENETICSen
dc.relation.urihttp://dx.doi.org/10.1038/ejhg.2017.132en
dc.rightsCC BY-NC-SA https://creativecommons.org/licenses/by-nc-sa/4.0/en
dc.subjectCancer geneticsen
dc.subjectColon canceren
dc.titleUptake of genetic testing by the children of Lynch syndrome variant carriers across three generationsen
dc.description.versionpublished versionen
dc.contributor.departmentSchool of Medicine / Clinical Medicineen
uef.solecris.id49391569en
dc.type.publicationinfo:eu-repo/semantics/articleen
dc.rights.accessrights© Authorsen
dc.relation.doi10.1038/ejhg.2017.132en
dc.description.reviewstatuspeerRevieweden
dc.format.pagerange1237-1245en
dc.relation.issn1018-4813en
dc.relation.volume25en
dc.rights.accesslevelopenAccessen
dc.type.okmA1en
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
uef.solecris.openaccessHybridijulkaisukanavassa ilmestynyt avoin julkaisu


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