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Expanding the phenotype spectrum associated with pathogenic variants in the COL2A1 and COL11A1 genes

J. Čopíková, J. Paděrová, V. Románková, M. Havlovicová, M. Balaščáková, M. Zelinová, Š. Vejvalková, M. Simandlová, J. Štěpánková, V. Hořínová, E. Kantorová, G. Křečková, J. Pospíšilová, A. Boday, AU. Meszarosová, M. Turnovec, P. Votýpka, P....

. 2020 ; 84 (5) : 380-392. [pub] 20200519

Jazyk angličtina Země Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc21012173

Grantová podpora
NV17-30500A MZ0 CEP - Centrální evidence projektů

Digitální knihovna NLK
Plný text - Článek

E-zdroje Online Plný text

NLK Medline Complete (EBSCOhost) od 2003-01-01 do Před 1 rokem
Wiley Free Content od 1997 do Před 2 roky

Odkazy

PubMed 32427345
DOI 10.1111/ahg.12386
Knihovny.cz E-zdroje

We report the clinical findings of 26 individuals from 16 unrelated families carrying variants in the COL2A1 or COL11A1 genes. Using Sanger and next-generation sequencing, 11 different COL2A1 variants (seven novel), were identified in 13 families (19 affected individuals), all diagnosed with Stickler syndrome (STL) type 1. In nine families, the COL2A1 disease-causing variant arose de novo. Phenotypically, we observed myopia (95%) and retinal detachment (47%), joint hyperflexibility (92%), midface retrusion (84%), cleft palate (53%), and various degrees of hearing impairment (50%). One patient had a splenic artery aneurysm. One affected individual carrying pathogenic variant in COL2A1 showed no ocular signs including no evidence of membranous vitreous anomaly. In three families (seven affected individuals), three novel COL11A1 variants were found. The propositus with a de novo variant showed an ultrarare Marshall/STL overlap. In the second family, the only common clinical sign was postlingual progressive sensorineural hearing impairment (DFNA37). Affected individuals from the third family had typical STL2 signs. The spectrum of disease phenotypes associated with COL2A1 or COL11A1 variants continues to expand and includes typical STL and various bone dysplasias, but also nonsyndromic hearing impairment, isolated myopia with or without retinal detachment, and STL phenotype without clinically detectable ocular pathology.

Citace poskytuje Crossref.org

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