Abstract:
:Three overlapping conditions, namely Rothmund-Thomson (RTS), Baller-Gerold (BGS) and RAPADILINO syndromes, have been attributed to RECQL4 mutations. Differential diagnoses depend on the clinical presentation, but the numbers of known genes remain low, leading to the widespread prescription of RECQL4 sequencing. The aim of our study was therefore to determine the best clinical indicators for the presence of RECQL4 mutations in a series of 39 patients referred for RECQL4 molecular analysis and belonging to the RTS (27 cases) and BGS (12 cases) spectrum. One or two deleterious RECQL4 mutations were found in 10/27 patients referred for RTS diagnosis. Clinical and molecular reevaluation led to a different diagnosis in 7/17 negative cases, including Clericuzio-type poikiloderma with neutropenia, hereditary sclerosing poikiloderma, and craniosynostosis/anal anomalies/porokeratosis. No RECQL4 mutations were found in the BGS group without poikiloderma, confirming that RECQL4 sequencing was not indicated in this phenotype. One chromosomal abnormality and one TWIST mutation was found in this cohort. This study highlights the search for differential diagnoses before the prescription of RECQL4 sequencing in this clinically heterogeneous group. The combination of clinically defined subgroups and next-generation sequencing will hopefully bring to light new molecular bases of syndromes with poikiloderma, as well as BGS without poikiloderma.
journal_name
Clin Genetjournal_title
Clinical geneticsauthors
Piard J,Aral B,Vabres P,Holder-Espinasse M,Mégarbané A,Gauthier S,Capra V,Pierquin G,Callier P,Baumann C,Pasquier L,Baujat G,Martorell L,Rodriguez A,Brady AF,Boralevi F,González-Enseñat MA,Rio M,Bodemer C,Philip N,doi
10.1111/cge.12361subject
Has Abstractpub_date
2015-03-01 00:00:00pages
244-51issue
3eissn
0009-9163issn
1399-0004journal_volume
87pub_type
杂志文章abstract::Hereditary non-polyposis colorectal cancer (HNPCC), the most common type of hereditary colorectal cancer, is thought to be a simple Mendelian disease involving DNA mismatch repair genes. The majority of mutations associated with HNPCC occur in the hMSH2 and hMLH1 genes. The reported incidence of mismatch repair gene m...
journal_title:Clinical genetics
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journal_title:Clinical genetics
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doi:10.1111/j.1399-0004.1983.tb01874.x
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journal_title:Clinical genetics
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journal_title:Clinical genetics
pub_type: 杂志文章
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pub_type: 杂志文章
doi:10.1111/cge.12968
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journal_title:Clinical genetics
pub_type: 杂志文章
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更新日期:1991-05-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
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更新日期:1996-11-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.13408
更新日期:2018-10-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1979.tb01770.x
更新日期:1979-05-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.2010.01514.x
更新日期:2011-07-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.2007.00834.x
更新日期:2007-08-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章,评审
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更新日期:2005-10-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
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更新日期:1986-07-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1987.tb03304.x
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1979.tb00860.x
更新日期:1979-08-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
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更新日期:1997-09-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
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更新日期:2009-11-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
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更新日期:2003-12-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1988.tb03480.x
更新日期:1988-06-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1976.tb01557.x
更新日期:1976-02-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.13598
更新日期:2019-09-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.13907
更新日期:2020-12-27 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/cge.12653
更新日期:2016-03-01 00:00:00