Article (Scientific journals)
UBE2A deficiency syndrome: Mild to severe intellectual disability accompanied by seizures, absent speech, urogenital, and skin anomalies in male patients.
de Leeuw, Nicole; BULK, Saskia; Green, Andrew et al.
2010In American Journal of Medical Genetics. Part A, 152A (12), p. 3084-90
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Keywords :
Abnormalities, Multiple/genetics; Child; Child, Preschool; Chromosomes, Human, X/genetics; Humans; Infant; Intellectual Disability/genetics; Male; Pedigree; Point Mutation; Seizures/genetics; Skin Abnormalities/genetics; Speech Disorders/genetics; Syndrome; Ubiquitin-Conjugating Enzymes/deficiency/genetics; Urogenital Abnormalities/genetics
Abstract :
[en] We describe three patients with a comparable deletion encompassing SLC25A43, SLC25A5, CXorf56, UBE2A, NKRF, and two non-coding RNA genes, U1 and LOC100303728. Moderate to severe intellectual disability (ID), psychomotor retardation, severely impaired/absent speech, seizures, and urogenital anomalies were present in all three patients. Facial dysmorphisms include ocular hypertelorism, synophrys, and a depressed nasal bridge. These clinical features overlap with those described in two patients from a family with a similar deletion at Xq24 that also includes UBE2A, and in several patients of Brazilian and Polish families with point mutations in UBE2A. Notably, all five patients with an Xq24 deletion have ventricular septal defects that are not present in patients with a point mutation, which might be attributed to the deletion of SLC25A5. Taken together, the UBE2A deficiency syndrome in male patients with a mutation in or a deletion of UBE2A is characterized by ID, absent speech, seizures, urogenital anomalies, frequently including a small penis, and skin abnormalities, which include generalized hirsutism, low posterior hairline, myxedematous appearance, widely spaced nipples, and hair whorls. Facial dysmorphisms include a wide face, a depressed nasal bridge, a large mouth with downturned corners, thin vermilion, and a short, broad neck.
Disciplines :
Genetics & genetic processes
Author, co-author :
de Leeuw, Nicole
BULK, Saskia ;  Centre Hospitalier Universitaire de Liège - CHU > Génétique
Green, Andrew
Jaeckle-Santos, Lane
Baker, Linda A.
Zinn, Andrew R.
Kleefstra, Tjitske
van der Smagt, Jasper J.
Vianne Morgante, Angela Maria
de Vries, Bert B. A.
van Bokhoven, Hans
de Brouwer, Arjan P. M.
Language :
English
Title :
UBE2A deficiency syndrome: Mild to severe intellectual disability accompanied by seizures, absent speech, urogenital, and skin anomalies in male patients.
Publication date :
2010
Journal title :
American Journal of Medical Genetics. Part A
ISSN :
1552-4825
eISSN :
1552-4833
Publisher :
Wiley-Liss Inc, United States - New Jersey
Volume :
152A
Issue :
12
Pages :
3084-90
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
(c) 2010 Wiley-Liss, Inc.
Available on ORBi :
since 23 May 2015

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