Mutations in UBQLN2 are rare in French amyotrophic lateral sclerosis

被引:31
作者
Millecamps, Stephanie [1 ]
Corcia, Philippe [2 ]
Cazeneuve, Cecile [3 ]
Boillee, Severine [1 ]
Seilhean, Danielle [1 ,4 ]
Danel-Brunaud, Veronique [5 ]
Vandenberghe, Nadia [6 ]
Pradat, Pierre-Francois [7 ]
Le Forestier, Nadine [7 ]
Lacomblez, Lucette [7 ]
Bruneteau, Gaelle [7 ]
Camu, William [8 ]
Brice, Alexis [1 ,3 ]
Meininger, Vincent [7 ]
LeGuern, Eric [1 ,3 ]
Salachas, Francois [7 ]
机构
[1] Univ Paris 06, Hop La Pitie Salpetriere, Inst Cerveau & Moelle Epineire, Ctr Rech,INSERM,UMR S975,CNRS,UMR7225, Paris, France
[2] Univ Tours, Ctr SLA, CHU Tours, Tours, France
[3] Hop La Pitie Salpetriere, AP HP, Dept Genet & Cytogenet, Unite Fonct Neurogenet Mol & Cellulaire, Paris, France
[4] Hop La Pitie Salpetriere, AP HP, Dept Neuropathol, Paris, France
[5] CHRU Lille, Hop Roger Salengro, Serv Neurol & Pathol Mouvement, Lille, France
[6] Hop Neurol & Neurochirurg P Wertheimer, Hosp Civils Lyon, Bron, France
[7] Hop La Pitie Salpetriere, APHP, Ctr Reference Malad Rares SLA, Paris, France
[8] Univ Montpellier I, Hop Guy Chauliac, Serv Neurol, Montpellier, France
关键词
Motor neuron disease; Amyotrophic lateral sclerosis; Familial ALS; Genetic analysis; PXX repeat domain; UBQLN2; deletion; HEXANUCLEOTIDE REPEAT; C9ORF72; ALS;
D O I
10.1016/j.neurobiolaging.2011.11.010
中图分类号
R592 [老年病学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 100203 ;
摘要
Mutations in UBQLN2 encoding ubiquilin-2 have recently been identified in families with dominant X-linked juvenile and adult-onset amyotrophic lateral sclerosis (ALS) and ALS/dementia. Ubiquilin-2 is a component of the ubiquitin inclusions detected in degenerating neurons in ALS patients. All the previously reported UBQLN2 mutations were localized in 1 of the 12 PXX domains of ubiquilin-2 protein. We sequenced UBQLN2 in 130 French patients with familial ALS (FALS) and absence of male-to-male transmission and the PXX domain in 240 more patients with sporadic ALS (SALS). We identified, at the heterozygote state, the c.1500_1508delCATAGGCCC, p.Gly502_Ile504del, in 1 affected woman. This deletion presumably leads to the in-frame deletion of 1 PXX repeat in the protein. This variant did not segregate with the disease in the corresponding family and was also detected in 1/380 control subject. Our results suggest that UBQLN2 gene mutations are rare in French ALS. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:839.e1 / 839.e3
页数:3
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