{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T22:01:34Z","timestamp":1774648894496,"version":"3.50.1"},"reference-count":22,"publisher":"Wiley","license":[{"start":{"date-parts":[[2023,8,14]],"date-time":"2023-08-14T00:00:00Z","timestamp":1691971200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"2020-Call for Proposals from French Rare Disease Network FAVA-Multi","award":["R20095HH"],"award-info":[{"award-number":["R20095HH"]}]},{"DOI":"10.13039\/501100002738","name":"Assistance Publique - H\u00f4pitaux de Paris","doi-asserted-by":"publisher","award":["R20095HH"],"award-info":[{"award-number":["R20095HH"]}],"id":[{"id":"10.13039\/501100002738","id-type":"DOI","asserted-by":"publisher"}]},{"name":"COUPERIN CY23","award":["R20095HH"],"award-info":[{"award-number":["R20095HH"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Human Mutation"],"published-print":{"date-parts":[[2023,8,14]]},"abstract":"<jats:p>Rare pathogenic variants in the MYH11 gene are responsible for thoracic aortic aneurysms and dissections. They are usually heterozygous missense variants or in-frame deletions of several amino acids without alteration of the reading frame and mainly affect the coiled-coil domain of the protein. Variants leading to a premature stop codon have been described in patients with another phenotype, megacystis-microcolon-intestinal hypoperistalsis syndrome, with an autosomal recessive inheritance. The physiopathological mechanisms arising from the different genetic alterations affecting the MYH11 gene are still poorly understood. Consequently, variants of unknown significance are relatively frequent in this gene. We have identified a variant affecting the consensus donor splice site of exon 29 in the MYH11 gene in a patient who suddenly died from an aortic type A dissection at the age of 23 years old. A transcript analysis on cultured fibroblasts has highlighted several abnormal transcripts including two in-frame transcripts. The first one is a deletion of the last 78 nucleotides of exon 29, corresponding to the use of a cryptic alternative donor splice site; the second one corresponds to an exon 29 skipping. Familial screening has revealed that this molecular event occurred de novo in the proband. Taken together, these experiments allowed us to classify this variant as pathogenic. This case underlines the challenging aspect of the discovery of variations in the MYH11 gene for which the consequences on splicing should be systematically studied in detail.<\/jats:p>","DOI":"10.1155\/2023\/1410230","type":"journal-article","created":{"date-parts":[[2023,8,14]],"date-time":"2023-08-14T22:05:06Z","timestamp":1692050706000},"page":"1-7","source":"Crossref","is-referenced-by-count":4,"title":["Early-Onset Aortic Dissection: Characterization of a New Pathogenic Splicing Variation in the MYH11 Gene with Several In-Frame Abnormal Transcripts"],"prefix":"10.1155","volume":"2023","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9727-1592","authenticated-orcid":true,"given":"Pauline","family":"Arnaud","sequence":"first","affiliation":[{"name":"D\u00e9partement de G\u00e9n\u00e9tique, AP-HP, H\u00f4pital Bichat, F-75018 Paris, France"},{"name":"Universit\u00e9 Paris Cit\u00e9, Inserm, LVTS U1148, F-75018 Paris, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Margaux","family":"Cadenet","sequence":"additional","affiliation":[{"name":"D\u00e9partement de G\u00e9n\u00e9tique, AP-HP, H\u00f4pital Bichat, F-75018 Paris, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zakaria","family":"Mougin","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Paris Cit\u00e9, Inserm, LVTS U1148, F-75018 Paris, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carine","family":"Le Goff","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Paris Cit\u00e9, Inserm, LVTS U1148, F-75018 Paris, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S\u00e9bastien","family":"Perbet","sequence":"additional","affiliation":[{"name":"P\u00f4le de M\u00e9decine P\u00e9ri-Op\u00e9ratoire, CHU Clermont-Ferrand, F-63000 Clermont-Ferrand, 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