Alternative genomic diagnoses for individuals with a clinical diagnosis of Dubowitz syndrome

© 2020 Wiley Periodicals LLC..

Dubowitz syndrome (DubS) is considered a recognizable syndrome characterized by a distinctive facial appearance and deficits in growth and development. There have been over 200 individuals reported with Dubowitz or a "Dubowitz-like" condition, although no single gene has been implicated as responsible for its cause. We have performed exome (ES) or genome sequencing (GS) for 31 individuals clinically diagnosed with DubS. After genome-wide sequencing, rare variant filtering and computational and Mendelian genomic analyses, a presumptive molecular diagnosis was made in 13/27 (48%) families. The molecular diagnoses included biallelic variants in SKIV2L, SLC35C1, BRCA1, NSUN2; de novo variants in ARID1B, ARID1A, CREBBP, POGZ, TAF1, HDAC8, and copy-number variation at1p36.11(ARID1A), 8q22.2(VPS13B), Xp22, and Xq13(HDAC8). Variants of unknown significance in known disease genes, and also in genes of uncertain significance, were observed in 7/27 (26%) additional families. Only one gene, HDAC8, could explain the phenotype in more than one family (N = 2). All but two of the genomic diagnoses were for genes discovered, or for conditions recognized, since the introduction of next-generation sequencing. Overall, the DubS-like clinical phenotype is associated with extensive locus heterogeneity and the molecular diagnoses made are for emerging clinical conditions sharing characteristic features that overlap the DubS phenotype.

Medienart:

E-Artikel

Erscheinungsjahr:

2021

Erschienen:

2021

Enthalten in:

Zur Gesamtaufnahme - volume:185

Enthalten in:

American journal of medical genetics. Part A - 185(2021), 1 vom: 01. Jan., Seite 119-133

Sprache:

Englisch

Beteiligte Personen:

Dyment, David A [VerfasserIn]
O'Donnell-Luria, Anne [VerfasserIn]
Agrawal, Pankaj B [VerfasserIn]
Coban Akdemir, Zeynep [VerfasserIn]
Aleck, Kyrieckos A [VerfasserIn]
Antaki, Danny [VerfasserIn]
Al Sharhan, Hind [VerfasserIn]
Au, Ping-Yee B [VerfasserIn]
Aydin, Hatip [VerfasserIn]
Beggs, Alan H [VerfasserIn]
Bilguvar, Kaya [VerfasserIn]
Boerwinkle, Eric [VerfasserIn]
Brand, Harrison [VerfasserIn]
Brownstein, Catherine A [VerfasserIn]
Buyske, Steve [VerfasserIn]
Chodirker, Bernard [VerfasserIn]
Choi, Jungmin [VerfasserIn]
Chudley, Albert E [VerfasserIn]
Clericuzio, Carol L [VerfasserIn]
Cox, Gerald F [VerfasserIn]
Curry, Cynthia [VerfasserIn]
de Boer, Elke [VerfasserIn]
de Vries, Bert B A [VerfasserIn]
Dunn, Kathryn [VerfasserIn]
Dutmer, Cullen M [VerfasserIn]
England, Eleina M [VerfasserIn]
Fahrner, Jill A [VerfasserIn]
Geckinli, Bilgen B [VerfasserIn]
Genetti, Casie A [VerfasserIn]
Gezdirici, Alper [VerfasserIn]
Gibson, William T [VerfasserIn]
Gleeson, Joseph G [VerfasserIn]
Greenberg, Cheryl R [VerfasserIn]
Hall, April [VerfasserIn]
Hamosh, Ada [VerfasserIn]
Hartley, Taila [VerfasserIn]
Jhangiani, Shalini N [VerfasserIn]
Karaca, Ender [VerfasserIn]
Kernohan, Kristin [VerfasserIn]
Lauzon, Julie L [VerfasserIn]
Lewis, M E Suzanne [VerfasserIn]
Lowry, R Brian [VerfasserIn]
López-Giráldez, Francesc [VerfasserIn]
Matise, Tara C [VerfasserIn]
McEvoy-Venneri, Jennifer [VerfasserIn]
McInnes, Brenda [VerfasserIn]
Mhanni, Aziz [VerfasserIn]
Garcia Minaur, Sixto [VerfasserIn]
Moilanen, Jukka [VerfasserIn]
Nguyen, An [VerfasserIn]
Nowaczyk, Malgorzata J M [VerfasserIn]
Posey, Jennifer E [VerfasserIn]
Õunap, Katrin [VerfasserIn]
Pehlivan, Davut [VerfasserIn]
Pajusalu, Sander [VerfasserIn]
Penney, Lynette S [VerfasserIn]
Poterba, Timothy [VerfasserIn]
Prontera, Paolo [VerfasserIn]
Doriqui, Maria Juliana Rodovalho [VerfasserIn]
Sawyer, Sarah L [VerfasserIn]
Sobreira, Nara [VerfasserIn]
Stanley, Valentina [VerfasserIn]
Torun, Deniz [VerfasserIn]
Wargowski, David [VerfasserIn]
Witmer, P Dane [VerfasserIn]
Wong, Isaac [VerfasserIn]
Xing, Jinchuan [VerfasserIn]
Zaki, Maha S [VerfasserIn]
Zhang, Yeting [VerfasserIn]
Care4Rare Consortium [VerfasserIn]
Centers for Mendelian Genomics [VerfasserIn]
Boycott, Kym M [VerfasserIn]
Bamshad, Michael J [VerfasserIn]
Nickerson, Deborah A [VerfasserIn]
Blue, Elizabeth E [VerfasserIn]
Innes, A Micheil [VerfasserIn]

Links:

Volltext

Themen:

Dubowitz syndrome
EC 3.5.1.98
Exome sequencing
Genetic heterogeneity
Genome sequencing
HDAC8 protein, human
Histone Deacetylases
Journal Article
Microarray
Repressor Proteins
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't

Anmerkungen:

Date Completed 29.06.2021

Date Revised 02.04.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1002/ajmg.a.61926

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM316671843