Article (Périodiques scientifiques)
A pan-European study of the C9orf72 repeat associated with FTLD: geographic prevalence, genomic instability, and intermediate repeats.
van der Zee, Julie; Gijselinck, Ilse; Dillen, Lubina et al.
2013In Human Mutation, 34 (2), p. 363 - 373
Peer reviewed vérifié par ORBi
 

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A pan-European study of the C9orf72 repeat associated with FTLD geographic prevalence, genomic instability, and intermediate repeats.pdf
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Mots-clés :
C9orf72 Protein; C9orf72 protein, human; Proteins; Adult; Age of Onset; Aged; Aged, 80 and over; Alleles; Alzheimer Disease/genetics; Base Sequence; Chromosomes, Human, Pair 9/genetics; Cohort Studies; DNA Repeat Expansion; Europe/epidemiology; Finland/epidemiology; Frontotemporal Lobar Degeneration/epidemiology; Frontotemporal Lobar Degeneration/genetics; Genome-Wide Association Study/methods; Germany/epidemiology; Haplotypes; Humans; Middle Aged; Molecular Sequence Data; Prevalence; Proteins/genetics; Spain/epidemiology; Sweden/epidemiology; Genomic Instability; C9orf72; European Early-Onset Dementia consortium; FTLD; Intermediate alleles; Repeat expansion; Genetics; Genetics (clinical)
Résumé :
[en] We assessed the geographical distribution of C9orf72 G(4) C(2) expansions in a pan-European frontotemporal lobar degeneration (FTLD) cohort (n = 1,205), ascertained by the European Early-Onset Dementia (EOD) consortium. Next, we performed a meta-analysis of our data and that of other European studies, together 2,668 patients from 15 Western European countries. The frequency of the C9orf72 expansions in Western Europe was 9.98% in overall FTLD, with 18.52% in familial, and 6.26% in sporadic FTLD patients. Outliers were Finland and Sweden with overall frequencies of respectively 29.33% and 20.73%, but also Spain with 25.49%. In contrast, prevalence in Germany was limited to 4.82%. In addition, we studied the role of intermediate repeats (7-24 repeat units), which are strongly correlated with the risk haplotype, on disease and C9orf72 expression. In vitro reporter gene expression studies demonstrated significantly decreased transcriptional activity of C9orf72 with increasing number of normal repeat units, indicating that intermediate repeats might act as predisposing alleles and in favor of the loss-of-function disease mechanism. Further, we observed a significantly increased frequency of short indels in the GC-rich low complexity sequence adjacent to the G(4) C(2) repeat in C9orf72 expansion carriers (P < 0.001) with the most common indel creating one long contiguous imperfect G(4) C(2) repeat, which is likely more prone to replication slippage and pathological expansion.
Disciplines :
Neurologie
Auteur, co-auteur :
van der Zee, Julie ;  Department of Molecular Genetics, VIB, Antwerp, Belgium
Gijselinck, Ilse 
Dillen, Lubina
Van Langenhove, Tim
Theuns, Jessie
Engelborghs, Sebastiaan
Philtjens, Stéphanie
Vandenbulcke, Mathieu
Sleegers, Kristel
Sieben, Anne
Bäumer, Veerle
Maes, Githa
Corsmit, Ellen
Borroni, Barbara
Padovani, Alessandro
Archetti, Silvana
Perneczky, Robert
Diehl-Schmid, Janine
de Mendonça, Alexandre
Miltenberger-Miltenyi, Gabriel
Pereira, Sónia
Pimentel, José
Nacmias, Benedetta
Bagnoli, Silvia
Sorbi, Sandro
Graff, Caroline
Chiang, Huei-Hsin
Westerlund, Marie
Sanchez-Valle, Raquel
Llado, Albert
Gelpi, Ellen
Santana, Isabel
Almeida, Maria Rosário
Santiago, Beatriz
Frisoni, Giovanni
Zanetti, Orazio
Bonvicini, Cristian
Synofzik, Matthis
Maetzler, Walter
Vom Hagen, Jennifer Müller
Schöls, Ludger
HENEKA, Michael  ;  Clinical Neuroscience Unit, Department of Neurology, University of Bonn, Bonn, Germany ; German Center for Neurodegenerative Diseases (DZNE), University of Bonn, Bonn, Germany
Jessen, Frank
Matej, Radoslav
Parobkova, Eva
Kovacs, Gabor G
Ströbel, Thomas
Sarafov, Stayko
Tournev, Ivailo
Jordanova, Albena
Danek, Adrian
Arzberger, Thomas
Fabrizi, Gian Maria
Testi, Silvia
Salmon, Eric
Santens, Patrick
Martin, Jean-Jacques
Cras, Patrick
Vandenberghe, Rik
De Deyn, Peter Paul
Cruts, Marc
Van Broeckhoven, Christine
van der Zee, Julie
Gijselinck, Ilse
Dillen, Lubina
Van Langenhove, Tim
Theuns, Jessie
Philtjens, Stéphanie
Sleegers, Kristel
Bäumer, Veerle
Maes, Githa
Corsmit, Ellen
Cruts, Marc
Van Broeckhoven, Christine
van der Zee, Julie
Gijselinck, Ilse
Dillen, Lubina
Van Langenhove, Tim
Philtjens, Stéphanie
Theuns, Jessie
Sleegers, Kristel
Bäumer, Veerle
Maes, Githa
Cruts, Marc
Van Broeckhoven, Christine
Engelborghs, Sebastiaan
De Deyn, Peter P
Cras, Patrick
Engelborghs, Sebastiaan
De Deyn, Peter P
Vandenbulcke, Mathieu
Vandenbulcke, Mathieu
Borroni, Barbara
Padovani, Alessandro
Archetti, Silvana
Perneczky, Robert
Diehl-Schmid, Janine
Synofzik, Matthis
Maetzler, Walter
Müller Vom Hagen, Jennifer
Schöls, Ludger
Synofzik, Matthis
Maetzler, Walter
Müller Vom Hagen, Jennifer
Schöls, Ludger
Jessen, Frank
Ramirez, Alfredo
Kurzwelly, Delia
Sachtleben, Carmen
Mairer, Wolfgang
de Mendonça, Alexandre
Miltenberger-Miltenyi, Gabriel
Pereira, Sónia
Firmo, Clara
Pimentel, José
Sanchez-Valle, Raquel
Llado, Albert
Antonell, Anna
Molinuevo, Jose
Gelpi, Ellen
Graff, Caroline
Chiang, Huei-Hsin
Westerlund, Marie
Graff, Caroline
Kinhult Ståhlbom, Anne
Thonberg, Håkan
Nennesmo, Inger
Börjesson-Hanson, Anne
Nacmias, Benedetta
Bagnoli, Silvia
Sorbi, Sandro
Bessi, Valentina
Piaceri, Irene
Santana, Isabel
Santiago, Beatriz
Santana, Isabel
Helena Ribeiro, Maria
Rosário Almeida, Maria
Oliveira, Catarina
Massano, João
Garret, Carolina
Pires, Paula
Frisoni, Giovanni
Zanetti, Orazio
Bonvicini, Cristian
Sarafov, Stayko
Tournev, Ivailo
Jordanova, Albena
Tournev, Ivailo
Kovacs, Gabor G
Ströbel, Thomas
Jessen, Frank
Ramirez, Alfredo
Kurzwelly, Delia
Sachtleben, Carmen
Mairer, Wolfgang
Jessen, Frank
Matej, Radoslav
Parobkova, Eva
Danel, Adrian
Arzberger, Thomas
Maria Fabrizi, Gian
Testi, Silvia
Ferrari, Sergio
Cavallaro, Tiziana
Salmon, Eric
Santens, Patrick
Cras, Patrick
European Early-Onset Dementia Consortium
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 Ces auteurs ont contribué de façon équivalente à la publication.
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
A pan-European study of the C9orf72 repeat associated with FTLD: geographic prevalence, genomic instability, and intermediate repeats.
Date de publication/diffusion :
février 2013
Titre du périodique :
Human Mutation
ISSN :
1059-7794
eISSN :
1098-1004
Maison d'édition :
Hindawi Limited, Etats-Unis
Volume/Tome :
34
Fascicule/Saison :
2
Pagination :
363 - 373
Peer reviewed :
Peer reviewed vérifié par ORBi
Disponible sur ORBilu :
depuis le 27 mai 2024

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