{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,9]],"date-time":"2026-11-09T06:27:11Z","timestamp":1794205631025,"version":"4.8.0"},"reference-count":26,"publisher":"BMJ","issue":"6","funder":[{"name":"Partially funded by Spanish Instituto de Salud Carlos III, Fondo de Investigaciones Sanitarias and co\u2010funded with ERDF funds","award":["FIS PI18\/000687"],"award-info":[{"award-number":["FIS PI18\/000687"]}]},{"name":"Partially funded by Spanish Instituto de Salud Carlos III, Fondo de Investigaciones Sanitarias and co\u2010funded with ERDF funds","award":["FIS PI19\/01772"],"award-info":[{"award-number":["FIS PI19\/01772"]}]},{"name":"Partially funded by Spanish Instituto de Salud Carlos III, Fondo de Investigaciones Sanitarias and co\u2010funded with ERDF funds","award":["FIS PI20\/01767"],"award-info":[{"award-number":["FIS PI20\/01767"]}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["J Med Genet"],"accepted":{"date-parts":[[2022,10,5]]},"published-print":{"date-parts":[[2023,6]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Consanguineous couples have an increased risk of severe diseases in offspring due to autosomal recessive disorders. Exome sequencing (ES) offers the possibility of extensive preconception carrier screening (PCS) in consanguineous couples who may be at risk of rare genetic disorders.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrospectively analysed ES data from 65 probands affected with rare genetic disorders born from consanguineous couples. We explored diagnostic yield and carrier status for recessive disorders.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The overall diagnostic yield in a singleton approach was 53.8%, mostly recessive variants. In a hypothetical exome-based PCS, only 11.7% of these causative rare variants would have been missed in the filtering process. Carrier screening for recessive conditions allowed the identification of at least one additional pathogenic or likely pathogenic variant in 85.7% of the probands, being the majority with a gene carrier frequency &lt;1 in 200. In addition, considering only clinically actionable conditions, we estimated that 12.3% of our close consanguineous couples may be at risk for an additional recessive disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Our results demonstrate that ES outperforms panel-based screening in a PCS context in consanguineous couples and could potentially increase their reproductive autonomy and facilitate informed decision-making.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/jmg-2022-108607","type":"journal-article","created":{"date-parts":[[2022,12,8]],"date-time":"2022-12-08T13:20:19Z","timestamp":1670505619000},"page":"540-546","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":6,"title":["Experience using singleton exome sequencing of probands as an approach to preconception carrier screening in consanguineous couples"],"prefix":"10.1136","volume":"60","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9894-0639","authenticated-orcid":false,"given":"Anna","family":"Abul\u00ed","sequence":"first","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8949-9466","authenticated-orcid":false,"given":"Mar","family":"Costa-Roger","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5382-413X","authenticated-orcid":false,"given":"Marta","family":"Codina-Sol\u00e0","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2350-6058","authenticated-orcid":false,"given":"Irene","family":"Valenzuela","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6049-256X","authenticated-orcid":false,"given":"Jordi","family":"Leno-Colorado","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5483-7031","authenticated-orcid":false,"given":"Eul\u00e0lia","family":"Rovira-Moreno","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7694-6124","authenticated-orcid":false,"given":"Anna","family":"Cueto-Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2695-3531","authenticated-orcid":false,"given":"Paula","family":"Fern\u00e1ndez-\u00c1lvarez","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0096-3336","authenticated-orcid":false,"given":"Elena","family":"Garc\u00eda-Arum\u00ed","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, Spain"},{"name":"Centro de Investigaci\u00f3n Biom\u00e9dica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III, Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2104-9332","authenticated-orcid":false,"given":"Ivon","family":"Cusc\u00f3","sequence":"additional","affiliation":[{"name":"Department of Clinical and Molecular Genetics, Hospital Universitari Vall d'Hebron, Barcelona, Spain"},{"name":"Medicine Genetics Group Vall d'Hebron Research Institute (VHIR), Barcelona, 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