Author: "Hjermind, Le" / Topic: humans - Searchworks@Jio Institute Digital Library Search Results

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1. A C6orf10/LOC101929163 locus is associated with age of onset in C9orf72 carriers

Author: Zhang M1, 2 3, Ferrari R4, Tartaglia MC3, 5 6, Keith J7, Surace EI8, Wolf U9, Sato C3, Grinberg M3, Liang Y3, Xi Z3, Dupont K3, McGoldrick P3, Weichert A3, McKeever PM3, Schneider R3, 6 7, McCorkindale MD4, Manzoni C10, Rademakers R11, Graff-Radford NR12, Dickson DW11, Parisi JE13, Boeve BF14, Petersen RC14, Miller BL15, Seeley WW16, van Swieten JC17, van Rooij J17, Pijnenburg Y18, van der Zee J19, Van Broeckhoven C19, Le Ber I21, Van Deerlin V23, Suh E23, Rohrer JD24, Mead S25, Graff C26, Öijerstedt L26, Pickering-Brown S28, Rollinson S28, Rossi G29, Tagliavini F30, Brooks WS31, Dobson-Stone C32, Halliday GM32, Hodges JR32, Piguet O34, Binetti G36, Benussi L37, Ghidoni R37, Nacmias B38, Sorbi S38, Bruni AC40, Galimberti D41, Scarpini E41, Rainero I42, Rubino E42, Clarimon J43, Lleó A43, Ruiz A45, Hernández I45, Pastor P46, Diez-Fairen M46, Borroni B48, Pasquier F49, Deramecourt V49, Lebouvier T49, Perneczky R50, 51 52, Diehl-Schmid J50, Grafman J53, Huey ED55, Mayeux R55, Nalls MA57, Hernandez D57, Singleton A57, Momeni P58, Zeng Z59, Hardy J4, Robertson J3, Zinman L6, 7, Rogaeva E3, 6, International FTD-Genomics Consortium (IFGC), Ferrari R, Hernandez DG, Nalls MA, Rohrer JD, Ramasamy A, Kwok JBJ, Dobson-Stone C, Brooks WS, Schofield PR, Halliday GM, Hodges JR, Piguet O, Bartley L, Thompson E, Hernández I, Ruiz A, Boada M, Borroni B, Padovani A, Cruchaga C, Cairns NJ, Benussi L, Binetti G, Ghidoni R, Forloni G, Albani D, Galimberti D, Fenoglio C, Serpente M, Scarpini E, Clarimón J, Lleó A, Blesa R, Wald Ouml ML, Nilsson K, Nilsson C, Mackenzie IRA, Hsiung GR, Mann DMA, Grafman J, Morris CM, Attems J, Griffiths TD, McKeith IG, Thomas AJ, Pietrini P, Huey ED, Wassermann EM, Baborie A, Jaros E, Tierney MC, Pastor P, Razquin C, Ortega-Cubero S, Alonso E, Perneczky R, Diehl-Schmid J, Alexopoulos P, Kurz A, Rainero I, Rubino E, Pinessi L, Rogaeva E, St George-Hyslop P, Rossi G, Tagliavini F, Giaccone G, Rowe JB, Schlachetzki JCM, Uphill J, Collinge J, Mead S, Danek A, Van Deerlin VM, Grossman M, Trojanowski JQ, van der Zee J, Van Broeckhoven C, Cappa SF, Leber I, Hannequin D, Golfier V, Vercelletto M, Brice A, Nacmias B, Sorbi S, Bagnoli S, Piaceri I, Nielsen JE, Hjermind LE, Riemenschneider M, Mayhaus M, Ibach B, Gasparoni G, Pichler S, Gu W, Rossor MN, Fox NC, Warren JD, Grazia Spillantini M, Morris HR, Rizzu P, Heutink P, Snowden JS, Rollinson S, Richardson A, Gerhard A, Bruni AC, Maletta R, Frangipane F, Cupidi C, Bernardi L, Anfossi M, Gallo M, Elena Conidi M, Smirne N, Rademakers R, Baker M, Dickson DW, Graff-Radford NR, Petersen RC, Knopman D, Josephs KA, Boeve BF, Parisi JE, Seeley WW, Miller BL, Karydas AM, Rosen H, van Swieten JC, Dopper EGP, Seelaar H, Pijnenburg YAL, Scheltens P, Logroscino G, Capozzo R, Novelli V, Puca AA, Franceschi M, Postiglione A, Milan G, Sorrentino P, Kristiansen M, Chiang HH, Graff C, Pasquier F, Rollin A, Deramecourt V, Lebouvier T, Kapogiannis D, Ferrucci L, Pickering-Brown S, Singleton AB, Hardy J, Momeni P, Human genetics, Amsterdam Neuroscience - Neurodegeneration, Neurology, Divisions, Zhang, M1, 2, 3, Ferrari, R4, Tartaglia, Mc3, 5, 6, Keith, J7, Surace, Ei8, Wolf, U9, Sato, C3, Grinberg, M3, Liang, Y3, Xi, Z3, Dupont, K3, Mcgoldrick, P3, Weichert, A3, Mckeever, Pm3, Schneider, R3, 6, 7, Mccorkindale, Md4, Manzoni, C10, Rademakers, R11, Graff-Radford, Nr12, Dickson, Dw11, Parisi, Je13, Boeve, Bf14, Petersen, Rc14, Miller, Bl15, Seeley, Ww16, van Swieten, Jc17, van Rooij, J17, Pijnenburg, Y18, van der Zee, J19, Van Broeckhoven, C19, Le Ber, I21, Van Deerlin, V23, Suh, E23, Rohrer, Jd24, Mead, S25, Graff, C26, Öijerstedt, L26, Pickering-Brown, S28, Rollinson, S28, Rossi, G29, Tagliavini, F30, Brooks, Ws31, Dobson-Stone, C32, Halliday, Gm32, Hodges, Jr32, Piguet, O34, Binetti, G36, Benussi, L37, Ghidoni, R37, Nacmias, B38, Sorbi, S38, Bruni, Ac40, Galimberti, D41, Scarpini, E41, Rainero, I42, Rubino, E42, Clarimon, J43, Lleó, A43, Ruiz, A45, Hernández, I45, Pastor, P46, Diez-Fairen, M46, Borroni, B48, Pasquier, F49, Deramecourt, V49, Lebouvier, T49, Perneczky, R50, 51, 52, Diehl-Schmid, J50, Grafman, J53, Huey, Ed55, Mayeux, R55, Nalls, Ma57, Hernandez, D57, Singleton, A57, Momeni, P58, Zeng, Z59, Hardy, J4, Robertson, J3, Zinman, L6, Rogaeva, E3, International FTD-Genomics Consortium, (IFGC), Ferrari, R, Hernandez, Dg, Nalls, Ma, Rohrer, Jd, Ramasamy, A, Kwok, Jbj, Dobson-Stone, C, Brooks, W, Schofield, Pr, Halliday, Gm, Hodges, Jr, Piguet, O, Bartley, L, Thompson, E, Hernández, I, Ruiz, A, Boada, M, Borroni, B, Padovani, A, Cruchaga, C, Cairns, Nj, Benussi, L, Binetti, G, Ghidoni, R, Forloni, G, Albani, D, Galimberti, D, Fenoglio, C, Serpente, M, Scarpini, E, Clarimón, J, Lleó, A, Blesa, R, Wald Ouml, Ml, Nilsson, K, Nilsson, C, Mackenzie, Ira, Hsiung, Gr, Mann, Dma, Grafman, J, Morris, Cm, Attems, J, Griffiths, Td, Mckeith, Ig, Thomas, Aj, Pietrini, P, Huey, Ed, Wassermann, Em, Baborie, A, Jaros, E, Tierney, Mc, Pastor, P, Razquin, C, Ortega-Cubero, S, Alonso, E, Perneczky, R, Diehl-Schmid, J, Alexopoulos, P, Kurz, A, Rainero, I, Rubino, E, Pinessi, L, Rogaeva, E, St George-Hyslop, P, Rossi, G, Tagliavini, F, Giaccone, G, Rowe, Jb, Schlachetzki, Jcm, Uphill, J, Collinge, J, Mead, S, Danek, A, Van Deerlin, Vm, Grossman, M, Trojanowski, Jq, van der Zee, J, Van Broeckhoven, C, Cappa, Sf, Leber, I, Hannequin, D, Golfier, V, Vercelletto, M, Brice, A, Nacmias, B, Sorbi, S, Bagnoli, S, Piaceri, I, Nielsen, Je, Hjermind, Le, Riemenschneider, M, Mayhaus, M, Ibach, B, Gasparoni, G, Pichler, S, Gu, W, Rossor, Mn, Fox, Nc, Warren, Jd, Grazia Spillantini, M, Morris, Hr, Rizzu, P, Heutink, P, Snowden, J, Rollinson, S, Richardson, A, Gerhard, A, Bruni, Ac, Maletta, R, Frangipane, F, Cupidi, C, Bernardi, L, Anfossi, M, Gallo, M, Elena Conidi, M, Smirne, N, Rademakers, R, Baker, M, Dickson, Dw, Graff-Radford, Nr, Petersen, Rc, Knopman, D, Josephs, Ka, Boeve, Bf, Parisi, Je, Seeley, Ww, Miller, Bl, Karydas, Am, Rosen, H, van Swieten, Jc, Dopper, Egp, Seelaar, H, Pijnenburg, Yal, Scheltens, P, Logroscino, G, Capozzo, R, Novelli, V, Puca, Aa, Franceschi, M, Postiglione, A, Milan, G, Sorrentino, P, Kristiansen, M, Chiang, Hh, Graff, C, Pasquier, F, Rollin, A, Deramecourt, V, Lebouvier, T, Kapogiannis, D, Ferrucci, L, Pickering-Brown, S, Singleton, Ab, Hardy, J, Momeni, P, and Int FTD-Genomics Consortium IFGC
Subjects: Male, Heterozygote, amyotrophic lateral sclerosis, Genotype, genetic association, Age of onset, Polymorphism, Single Nucleotide, frontotemporal dementia, age of onset, C9orf72, Humans, amyotrophic lateral sclerosi, Aged, C9orf72 Protein, Original Articles, DNA Methylation, Middle Aged, Amyotrophic lateral sclerosis, Gene Expression Regulation, Genetic association, CpG Islands, Female, Human medicine, Neurology (clinical), Frontotemporal dementia
Abstract: Discovery of disease age-of-onset modifiers is important for clinical trials and drug design. Zhang et al. perform a genome-wide analysis of epigenetic functional polymorphisms and identify an association between the C6orf10/LOC101929163 locus and age of FTD/ALS onset. The risk allele may be associated with a pro-inflammatory state in the brain., The G4C2-repeat expansion in C9orf72 is the most common known cause of amyotrophic lateral sclerosis and frontotemporal dementia. The high phenotypic heterogeneity of C9orf72 patients includes a wide range in age of onset, modifiers of which are largely unknown. Age of onset could be influenced by environmental and genetic factors both of which may trigger DNA methylation changes at CpG sites. We tested the hypothesis that age of onset in C9orf72 patients is associated with some common single nucleotide polymorphisms causing a gain or loss of CpG sites and thus resulting in DNA methylation alterations. Combined analyses of epigenetic and genetic data have the advantage of detecting functional variants with reduced likelihood of false negative results due to excessive correction for multiple testing in genome-wide association studies. First, we estimated the association between age of onset in C9orf72 patients (n = 46) and the DNA methylation levels at all 7603 CpG sites available on the 450 k BeadChip that are mapped to common single nucleotide polymorphisms. This was followed by a genetic association study of the discovery (n = 144) and replication (n = 187) C9orf72 cohorts. We found that age of onset was reproducibly associated with polymorphisms within a 124.7 kb linkage disequilibrium block tagged by top-significant variation, rs9357140, and containing two overlapping genes (LOC101929163 and C6orf10). A meta-analysis of all 331 C9orf72 carriers revealed that every A-allele of rs9357140 reduced hazard by 30% (P = 0.0002); and the median age of onset in AA-carriers was 6 years later than GG-carriers. In addition, we investigated a cohort of C9orf72 negative patients (n = 2634) affected by frontotemporal dementia and/or amyotrophic lateral sclerosis; and also found that the AA-genotype of rs9357140 was associated with a later age of onset (adjusted P = 0.007 for recessive model). Phenotype analyses detected significant association only in the largest subgroup of patients with frontotemporal dementia (n = 2142, adjusted P = 0.01 for recessive model). Gene expression studies of frontal cortex tissues from 25 autopsy cases affected by amyotrophic lateral sclerosis revealed that the G-allele of rs9357140 is associated with increased brain expression of LOC101929163 (a non-coding RNA) and HLA-DRB1 (involved in initiating immune responses), while the A-allele is associated with their reduced expression. Our findings suggest that carriers of the rs9357140 GG-genotype (linked to an earlier age of onset) might be more prone to be in a pro-inflammatory state (e.g. by microglia) than AA-carriers. Further, investigating the functional links within the C6orf10/LOC101929163/HLA-DRB1 pathway will be critical to better define age-dependent pathogenesis of frontotemporal dementia and amyotrophic lateral sclerosis.
Published: 2018
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2. Genetic architecture of sporadic frontotemporal dementia and overlap with Alzheimer’s and Parkinson’s diseases

Author: Ferrari R, Wang Y, Vandrovcova J, Guelfi S, Witeolar A, Karch CM, Schork AJ, Fan CC, Brewer JB, International FTD-Genomics Consortium (IFGC), International Parkinson's Disease Genomics Consortium (IPDGC), International Genomics of Alzheimer's Project (IGAP), Momeni P, Schellenberg GD, Dillon WP, Sugrue LP, Hess CP, Yokoyama JS, Bonham LW, Rabinovici GD, Miller BL, Andreassen OA, Dale AM, Hardy J, Desikan RS, Collaborators: Ferrari R, Hernandez DG, Nalls MA, Rohrer JD, Ramasamy A, Kwok JBJ, Dobson-Stone C, Schofield PR, Halliday GM, Hodges JR, Piguet O, Bartley L, Thompson E, Haan E, Hernández I, Ruiz A, Boada M, Borroni B, Padovani A, Cruchaga C, Cairns NJ, Benussi L, Binetti G, Ghidoni R, Forloni G, Albani D, Galimberti D, Fenoglio C, Serpente M, Scarpini E, Clarimón J, Lleó A, Blesa R, Landqvist Waldö M, Nilsson C, Mackenzie IRA, Hsiung GYR, Mann DMA, Grafman J, Morris CM, Attems J, Griffiths TD, McKeith IG, Thomas AJ, Pietrini P, Huey ED, Wassermann EM, Baborie A, Jaros E, Tierney MC, Pastor P, Razquin C, Ortega-Cubero S, Alonso E, Perneczky R, Diehl-Schmid J, Alexopoulos P, Kurz A, Rainero I, Rubino E, Pinessi L, Rogaeva E, St George-Hyslop P, Rossi G, Tagliavini F, Giaccone G, Rowe JB, Schlachetzki JCM, Uphill J, Collinge J, Mead S, Danek A, Van Deerlin VM, Grossman M, Trojanowski JQ, van der Zee J, Cruts M, Van Broeckhoven C, Cappa SF, Leber I, Hannequin D, Golfier V, Vercelletto M, Brice A, Nacmias B, Sorbi S, Bagnoli S, Piaceri I, Nielsen JE, Hjermind LE, Riemenschneider M, Mayhaus M, Ibach B, Gasparoni G, Pichler S, Gu W, Rossor MN, Fox NC, Warren JD, Spillantini MG, Morris HR, Rizzu P, Heutink P, Snowden JS, Rollinson S, Richardson A, Gerhard A, Bruni AC, Maletta R, Frangipane F, Cupidi C, Bernardi L, Anfossi M, Gallo M, Conidi ME, Smirne N, Rademakers R, Baker M, Dickson DW, Graff-Radford NR, Petersen RC, Knopman D, Josephs KA, Boeve BF, Parisi JE, Seeley WW, Karydas AM, Rosen H, van Swieten JC, Dopper EG, Seelaar H, Pijnenburg YAL, Scheltens P, Logroscino G, Capozzo R, Novelli V, Puca AA, Franceschi M, Postiglione A, Milan G, Sorrentino P, Kristiansen M, Chiang HH, Graff C, Pasquier F, Rollin A, Deramecourt V, Lebouvier T, Kapogiannis D, Ferrucci L, Pickering-Brown S, Singleton AB, Momeni P., Neurology, VU University medical center, Human genetics, Amsterdam Neuroscience - Neurodegeneration, CCA - Imaging and biomarkers, Divisions, Van Broeckhoven, Christine, Rademakers, Rosa, International FTD-Genomics Consortium (IFGC), International Parkinson's Disease Genomics Consortium (IPDGC), International Genomics of Alzheimer's Project (IGAP), Ferrari, R, Wang, Y, Vandrovcova, J, Guelfi, S, Witeolar, A, Karch, Cm, Schork, Aj, Fan, Cc, Brewer, Jb, International FTD-Genomics Consortium, (IFGC), International Parkinson's Disease Genomics Consortium, (IPDGC), International Genomics of Alzheimer's Project, (IGAP), Momeni, P, Schellenberg, Gd, Dillon, Wp, Sugrue, Lp, Hess, Cp, Yokoyama, J, Bonham, Lw, Rabinovici, Gd, Miller, Bl, Andreassen, Oa, Dale, Am, Hardy, J, Desikan, R, Collaborators: Ferrari, R, Hernandez, Dg, Nalls, Ma, Rohrer, Jd, Ramasamy, A, Kwok, Jbj, Dobson-Stone, C, Schofield, Pr, Halliday, Gm, Hodges, Jr, Piguet, O, Bartley, L, Thompson, E, Haan, E, Hernández, I, Ruiz, A, Boada, M, Borroni, B, Padovani, A, Cruchaga, C, Cairns, Nj, Benussi, L, Binetti, G, Ghidoni, R, Forloni, G, Albani, D, Galimberti, D, Fenoglio, C, Serpente, M, Scarpini, E, Clarimón, J, Lleó, A, Blesa, R, Landqvist Waldö, M, Nilsson, C, Mackenzie, Ira, Hsiung, Gyr, Mann, Dma, Grafman, J, Morris, Cm, Attems, J, Griffiths, Td, Mckeith, Ig, Thomas, Aj, Pietrini, P, Huey, Ed, Wassermann, Em, Baborie, A, Jaros, E, Tierney, Mc, Pastor, P, Razquin, C, Ortega-Cubero, S, Alonso, E, Perneczky, R, Diehl-Schmid, J, Alexopoulos, P, Kurz, A, Rainero, I, Rubino, E, Pinessi, L, Rogaeva, E, St George-Hyslop, P, Rossi, G, Tagliavini, F, Giaccone, G, Rowe, Jb, Schlachetzki, Jcm, Uphill, J, Collinge, J, Mead, S, Danek, A, Van Deerlin, Vm, Grossman, M, Trojanowski, Jq, van der Zee, J, Cruts, M, Van Broeckhoven, C, Cappa, Sf, Leber, I, Hannequin, D, Golfier, V, Vercelletto, M, Brice, A, Nacmias, B, Sorbi, S, Bagnoli, S, Piaceri, I, Nielsen, Je, Hjermind, Le, Riemenschneider, M, Mayhaus, M, Ibach, B, Gasparoni, G, Pichler, S, Gu, W, Rossor, Mn, Fox, Nc, Warren, Jd, Spillantini, Mg, Morris, Hr, Rizzu, P, Heutink, P, Snowden, J, Rollinson, S, Richardson, A, Gerhard, A, Bruni, Ac, Maletta, R, Frangipane, F, Cupidi, C, Bernardi, L, Anfossi, M, Gallo, M, Conidi, Me, Smirne, N, Rademakers, R, Baker, M, Dickson, Dw, Graff-Radford, Nr, Petersen, Rc, Knopman, D, Josephs, Ka, Boeve, Bf, Parisi, Je, Seeley, Ww, Karydas, Am, Rosen, H, van Swieten, Jc, Dopper, Eg, Seelaar, H, Pijnenburg, Yal, Scheltens, P, Logroscino, G, Capozzo, R, Novelli, V, Puca, Aa, Franceschi, M, Postiglione, A, Milan, G, Sorrentino, P, Kristiansen, M, Chiang, Hh, Graff, C, Pasquier, F, Rollin, A, Deramecourt, V, Lebouvier, T, Kapogiannis, D, Ferrucci, L, Pickering-Brown, S, Singleton, Ab, and Momeni, P.
Subjects: 0301 basic medicine, Genotype, Single-nucleotide polymorphism, Genome-wide association study, Polymorphism, Single Nucleotide, Article, 03 medical and health sciences, 0302 clinical medicine, Alzheimer Disease, mental disorders, Genetic Pleiotropy, Genetic predisposition, Medicine, Humans, Genetic Predisposition to Disease, Allele, Polymorphism, Biology, Alleles, Genetic association, Genetics, business.industry, Frontotemporal Dementia, Genome-Wide Association Study, Parkinson Disease, Surgery, Neurology (clinical), Psychiatry and Mental Health, Single Nucleotide, medicine.disease, Genetic architecture, nervous system diseases, 030104 developmental biology, Human medicine, business, Neuroscience, 030217 neurology & neurosurgery, Frontotemporal dementia
Abstract: Background Clinical, pathological and genetic overlap between sporadic frontotemporal dementia (FTD), Alzheimer9s disease (AD) and Parkinson9s disease (PD) has been suggested; however, the relationship between these disorders is still not well understood. Here we evaluated genetic overlap between FTD, AD and PD to assess shared pathobiology and identify novel genetic variants associated with increased risk for FTD. Methods Summary statistics were obtained from the International FTD Genomics Consortium, International PD Genetics Consortium and International Genomics of AD Project (n>75 000 cases and controls). We used conjunction false discovery rate (FDR) to evaluate genetic pleiotropy and conditional FDR to identify novel FTD-associated SNPs. Relevant variants were further evaluated for expression quantitative loci. Results We observed SNPs within the HLA , MAPT and APOE regions jointly contributing to increased risk for FTD and AD or PD. By conditioning on polymorphisms associated with PD and AD, we found 11 loci associated with increased risk for FTD. Meta-analysis across two independent FTD cohorts revealed a genome-wide signal within the APOE region (rs6857, 3′-UTR= PVRL2 , p=2.21×10 –12 ), and a suggestive signal for rs1358071 within the MAPT region (intronic= CRHR1 , p=4.91×10 −7 ) with the effect allele tagging the H1 haplotype. Pleiotropic SNPs at the HLA and MAPT loci associated with expression changes in cis -genes supporting involvement of intracellular vesicular trafficking, immune response and endo/lysosomal processes. Conclusions Our findings demonstrate genetic pleiotropy in these neurodegenerative diseases and indicate that sporadic FTD is a polygenic disorder where multiple pleiotropic loci with small effects contribute to increased disease risk.
Published: 2016
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3. Immune-related genetic enrichment in frontotemporal dementia: An analysis of genome-wide association studies

Author: Broce, Iris, Karch, Celeste M., Wen, Natalie, Fan, Chun C., Wang, Yunpeng, Hong Tan, Chin, Kouri, Naomi, Ross, Owen A., Höglinger, Günter U., Muller, Ulrich, Hardy, John, Momeni, Parastoo, Hess, Christopher P., Dillon, William P., Miller, Zachary A., Bonham, Luke W., Rabinovici, Gil D., Rosen, Howard J., Schellenberg, Gerard D., Franke, Andre, Karlsen, Tom H., Veldink, Jan H., Ferrari, Raffaele, Yokoyama, Jennifer S., Miller, Bruce L., Andreassen, Ole A., Dale, Anders M., Desikan, Rahul S., Sugrue, Leo P., Ferrari R, Hernandez DG, Nalls MA, Rohrer JD, Ramasamy A, Kwok JBJ, Dobson-Stone C, Brooks WS, Schofield PR, Halliday GM, Hodges JR, Piguet O, Bartley L, Thompson E, Haan E, Hernández I, Ruiz A, Boada M, Borroni B, Padovani A, Cruchaga C, Cairns NJ, Benussi L, Binetti G, Ghidoni R, Forloni G, Galimberti D, Fenoglio C, Serpente M, Scarpini E, Clarimón J, Lleó A, Blesa R, Waldö ML, Nilsson K, Nilsson C, Mackenzie IRA, Hsuing GYR, Mann DMA, Grafman J, Morris CM, Attems J, Griffiths TD, McKeith IG, Thomas AJ, Pietrini P, Huey ED, Wasserman EM, Baborie A, Jaros E, Tierney MC, Pastor P, Razquin C, Ortega-Cubero S, Alonso E, Perneczky E, Diehl-Schmid J, Alexopoulos P, Kurz A, Rainero I, Rubino E, Pinessi L, Rogaeva E, St George-Hyslop P, Rossi G, Tagliavini F, Giaccone G, Rowe JB, Schlachetzki JCM, Uphill J, Collinge J, Mead S, Danek A, Van Deerlin VM, Grossmann M, Trojanowski JQ, van der Zee J, Deschamps W, Van Langenhove T, Cruts M, Van Broeckhoven C, Cappa SF, Le Ber I, Hannequin D, Golfier V, Vercelletto M, Brice A, Nacmias B, Sorbi S, Bagnoli S, Piaceri I, Nielsen JE, Hjermind LE, Riemenschneider M, Mayhaus M, Ibach B, Gasparoni G, Pichler S, Gu W, Rossor MN, Fox NC, Warren JD, Spillantini MG, Morris HR, Rizzu P, Heutnik P, Snowden J, Rollinson S, Richardson A, Gerhard A, Bruni AC, Maletta R, Frangipane F, Cupidi C, Bernardi L, Anfossi M, Gallo M, Conidi ME, Smirne N, Rademakers R, Baker M, Dickson DW, Graff-Radford NR, Peterson RC, Knopman D, Josephs KA, Boeve BF, Parisi JE, Seeley WW, Miller BL, Karydas AM, Rosen H, van Swieten JC, Dopper EGP, Seelaar H, Pijnenburg YAL, Scheltens P, Logroscino G, Capozzo R, Novelli V, Puca AA, Franceschi M, Postiglione A, Milan G, Sorrentino P, Kristiansen M, Chiang HH, Graff C, Pasquier F, Rollin A, Deramecourt V, Lebert F, Kapogiannis D, Ferucci L, Pickering-Brown S, Singleton AB, Hardy J, Momeni P., Broce, Iris [0000-0003-4932-1430], Karch, Celeste M [0000-0002-6854-5547], Wang, Yunpeng [0000-0001-9831-1090], Tan, Chin Hong [0000-0002-0980-9936], Kouri, Naomi [0000-0002-6841-9882], Hess, Christopher P [0000-0002-5132-5302], Miller, Zachary A [0000-0002-5991-3053], Bonham, Luke W [0000-0002-2533-1266], Veldink, Jan H [0000-0001-5572-9657], Dale, Anders M [0000-0002-6126-2966], Desikan, Rahul S [0000-0002-4151-6017], Sugrue, Leo P [0000-0001-7315-4519], Apollo - University of Cambridge Repository, Neurology, Human genetics, Amsterdam Neuroscience - Neurodegeneration, Divisions, Rademakers, Rosa, Int FTD-Genomics Consortium, Broce, Iri, Karch, Celeste M., Wen, Natalie, Fan, Chun C., Wang, Yunpeng, Hong Tan, Chin, Kouri, Naomi, Ross, Owen A., Höglinger, Günter U., Muller, Ulrich, Hardy, John, Momeni, Parastoo, Hess, Christopher P., Dillon, William P., Miller, Zachary A., Bonham, Luke W., Rabinovici, Gil D., Rosen, Howard J., Schellenberg, Gerard D., Franke, Andre, Karlsen, Tom H., Veldink, Jan H., Ferrari, Raffaele, Yokoyama, Jennifer S., Miller, Bruce L., Andreassen, Ole A., Dale, Anders M., Desikan, Rahul S., Sugrue, Leo P., Ferrari, R, Hernandez, Dg, Nalls, Ma, Rohrer, Jd, Ramasamy, A, Kwok, Jbj, Dobson-Stone, C, Brooks, W, Schofield, Pr, Halliday, Gm, Hodges, Jr, Piguet, O, Bartley, L, Thompson, E, Haan, E, Hernández, I, Ruiz, A, Boada, M, Borroni, B, Padovani, A, Cruchaga, C, Cairns, Nj, Benussi, L, Binetti, G, Ghidoni, R, Forloni, G, Galimberti, D, Fenoglio, C, Serpente, M, Scarpini, E, Clarimón, J, Lleó, A, Blesa, R, Waldö, Ml, Nilsson, K, Nilsson, C, Mackenzie, Ira, Hsuing, Gyr, Mann, Dma, Grafman, J, Morris, Cm, Attems, J, Griffiths, Td, Mckeith, Ig, Thomas, Aj, Pietrini, P, Huey, Ed, Wasserman, Em, Baborie, A, Jaros, E, Tierney, Mc, Pastor, P, Razquin, C, Ortega-Cubero, S, Alonso, E, Perneczky, E, Diehl-Schmid, J, Alexopoulos, P, Kurz, A, Rainero, I, Rubino, E, Pinessi, L, Rogaeva, E, St George-Hyslop, P, Rossi, G, Tagliavini, F, Giaccone, G, Rowe, Jb, Schlachetzki, Jcm, Uphill, J, Collinge, J, Mead, S, Danek, A, Van Deerlin, Vm, Grossmann, M, Trojanowski, Jq, van der Zee, J, Deschamps, W, Van Langenhove, T, Cruts, M, Van Broeckhoven, C, Cappa, Sf, Le Ber, I, Hannequin, D, Golfier, V, Vercelletto, M, Brice, A, Nacmias, B, Sorbi, S, Bagnoli, S, Piaceri, I, Nielsen, Je, Hjermind, Le, Riemenschneider, M, Mayhaus, M, Ibach, B, Gasparoni, G, Pichler, S, Gu, W, Rossor, Mn, Fox, Nc, Warren, Jd, Spillantini, Mg, Morris, Hr, Rizzu, P, Heutnik, P, Snowden, J, Rollinson, S, Richardson, A, Gerhard, A, Bruni, Ac, Maletta, R, Frangipane, F, Cupidi, C, Bernardi, L, Anfossi, M, Gallo, M, Conidi, Me, Smirne, N, Rademakers, R, Baker, M, Dickson, Dw, Graff-Radford, Nr, Peterson, Rc, Knopman, D, Josephs, Ka, Boeve, Bf, Parisi, Je, Seeley, Ww, Miller, Bl, Karydas, Am, Rosen, H, van Swieten, Jc, Dopper, Egp, Seelaar, H, Pijnenburg, Yal, Scheltens, P, Logroscino, G, Capozzo, R, Novelli, V, Puca, Aa, Franceschi, M, Postiglione, A, Milan, G, Sorrentino, P, Kristiansen, M, Chiang, Hh, Graff, C, Pasquier, F, Rollin, A, Deramecourt, V, Lebert, F, Kapogiannis, D, Ferucci, L, Pickering-Brown, S, Singleton, Ab, Hardy, J, and Momeni, P.
Subjects: 0301 basic medicine, Linkage disequilibrium, Gene Expression, Genome-wide association study, Neurodegenerative, Medical and Health Sciences, Motor Neuron Diseases, 0302 clinical medicine, Medicine and Health Sciences, 2.1 Biological and endogenous factors, Corticobasal degeneration, genetics [Genetic Predisposition to Disease], genetics [Frontotemporal Dementia], Genetics, Medicine (all), Neurodegenerative Diseases, Single Nucleotide, Genomics, General Medicine, Middle Aged, Colitis, LRRK2, 3. Good health, Neurology, Manchester Institute for Collaborative Research on Ageing, Frontotemporal Dementia, Neurological, Medicine, Research Article, Frontotemporal dementia, ResearchInstitutes_Networks_Beacons/MICRA, Immunology, Rheumatoid Arthritis, Single-nucleotide polymorphism, Gastroenterology and Hepatology, Human leukocyte antigen, Biology, Autoimmune Disease, Polymorphism, Single Nucleotide, Autoimmune Diseases, 03 medical and health sciences, Rare Diseases, Rheumatology, Clinical Research, General & Internal Medicine, FTD GWA, Mental Health and Psychiatry, mental disorders, Acquired Cognitive Impairment, Genome-Wide Association Studies, medicine, Ulcerative Colitis, Humans, Inflammatory and Immune System, Genetic Predisposition to Disease, ddc:610, Polymorphism, Aged, Genetic association, Genome-Wide Association Study, International FTD-Genomics Consortium, Prevention, Arthritis, Human Genome, Inflammatory Bowel Disease, Amyotrophic Lateral Sclerosis, Neurosciences, Correction, Biology and Life Sciences, Computational Biology, nutritional and metabolic diseases, Human Genetics, Genome Analysis, medicine.disease, Brain Disorders, nervous system diseases, 030104 developmental biology, Genetic Loci, Genetics of Disease, Dementia, Clinical Immunology, Human medicine, Clinical Medicine, Digestive Diseases, 030217 neurology & neurosurgery
Abstract: Background Converging evidence suggests that immune-mediated dysfunction plays an important role in the pathogenesis of frontotemporal dementia (FTD). Although genetic studies have shown that immune-associated loci are associated with increased FTD risk, a systematic investigation of genetic overlap between immune-mediated diseases and the spectrum of FTD-related disorders has not been performed. Methods and findings Using large genome-wide association studies (GWASs) (total n = 192,886 cases and controls) and recently developed tools to quantify genetic overlap/pleiotropy, we systematically identified single nucleotide polymorphisms (SNPs) jointly associated with FTD-related disorders—namely, FTD, corticobasal degeneration (CBD), progressive supranuclear palsy (PSP), and amyotrophic lateral sclerosis (ALS)—and 1 or more immune-mediated diseases including Crohn disease, ulcerative colitis (UC), rheumatoid arthritis (RA), type 1 diabetes (T1D), celiac disease (CeD), and psoriasis. We found up to 270-fold genetic enrichment between FTD and RA, up to 160-fold genetic enrichment between FTD and UC, up to 180-fold genetic enrichment between FTD and T1D, and up to 175-fold genetic enrichment between FTD and CeD. In contrast, for CBD and PSP, only 1 of the 6 immune-mediated diseases produced genetic enrichment comparable to that seen for FTD, with up to 150-fold genetic enrichment between CBD and CeD and up to 180-fold enrichment between PSP and RA. Further, we found minimal enrichment between ALS and the immune-mediated diseases tested, with the highest levels of enrichment between ALS and RA (up to 20-fold). For FTD, at a conjunction false discovery rate < 0.05 and after excluding SNPs in linkage disequilibrium, we found that 8 of the 15 identified loci mapped to the human leukocyte antigen (HLA) region on Chromosome (Chr) 6. We also found novel candidate FTD susceptibility loci within LRRK2 (leucine rich repeat kinase 2), TBKBP1 (TBK1 binding protein 1), and PGBD5 (piggyBac transposable element derived 5). Functionally, we found that the expression of FTD–immune pleiotropic genes (particularly within the HLA region) is altered in postmortem brain tissue from patients with FTD and is enriched in microglia/macrophages compared to other central nervous system cell types. The main study limitation is that the results represent only clinically diagnosed individuals. Also, given the complex interconnectedness of the HLA region, we were not able to define the specific gene or genes on Chr 6 responsible for our pleiotropic signal. Conclusions We show immune-mediated genetic enrichment specifically in FTD, particularly within the HLA region. Our genetic results suggest that for a subset of patients, immune dysfunction may contribute to FTD risk. These findings have potential implications for clinical trials targeting immune dysfunction in patients with FTD., Rahul Desikan and colleagues use summary data from genome-wide association studies to investigate genetic overlap between frontotemporal dementia and a several immune-mediated diseases, and identify microglia and inflammation-associated genes that may play a role in FTD pathogenesis., Author summary Why was this study done? Frontotemporal dementia (FTD) is the leading cause of dementia in individuals less than 65 years old. Currently, there is no approved treatment of FTD and no diagnostic tests for predicting disease onset or measuring progression. Increasing evidence suggests that inflammation and immune system dysfunction play an important role in the pathogenesis of FTD. What did the researchers do and find? We used summary data from genome-wide association studies to investigate genetic overlap, or “pleiotropy,” between FTD and a variety of immune-mediated diseases. Through this approach, we found extensive FTD–immune genetic overlap within the HLA region on Chromosome 6, an area rich in genes related to microglial function, as well as in 3 genes not previously identified as contributing to the pathophysiology of FTD. Pointing to the functional relevance of these genetic results, we found that these candidate FTD–immune genes are differentially expressed in postmortem brains from patients with FTD compared to controls, and in microglia/macrophages compared with other central nervous system cells. Using bioinformatics tools, we explored protein and genetic interactions among our candidate FTD–immune genes. These results suggest that rather than a few individual loci, large portions of the HLA region may be associated with increased FTD risk. What do these findings mean? Immune dysfunction may play a role in the pathophysiology of a subset of FTD cases. For a subset of patients in whom immune dysfunction in general—and microglial activation in particular—is central to disease pathophysiology, anti-inflammatory treatment is an important area for further investigation.
Published: 2018
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4. Shared genetic risk between corticobasal degeneration, progressive supranuclear palsy, and frontotemporal dementia

Author: Yokoyama, Jennifer S., Karch, Celeste M., Fan, Chun C., Bonham, Luke W., Naomi, Kouri, Ross, Owen A., Rosa, Rademakers, Jungsu, Kim, Yunpeng, Wang, Höglinger, Günter U., Ulrich, Muller, Raffaele, Ferrari, John, Hardy, International FTD-Genomics Consortium (IFGC Ferrari, R, Hernandez, Dg, Nalls, Ma, Rohrer, Jd, Ramasamy, A, Kwok, Jbj, Dobson-Stone, C, Schofield, Pr, Halliday, Gm, Hodges, Jr, Piguet, O, Bartley, L, Thompson, E, Haan, E, Hernández, I, Ruiz, A, Boada, M, Borroni, B, Padovani, A, Cruchaga, C, Cairns, Nj, Benussi, L, Binetti, G, Ghidoni, R, Forloni, G, Albani, D, Galimberti, D, Fenoglio, C, Serpente, M, Scarpini, E, Clarimón, J, Lleó, A, Blesa, R, Landqvist Waldö, M, Nilsson, C, Mackenzie, Ira, Hsiung, Gyr, Mann, Dma, Grafman, J, Morris, Cm, Attems, J, Griffiths, Td, Mckeith, Ig, Thomas, Aj, Pietrini, P, Huey, Ed, Wassermann, Em, Baborie, A, Jaros, E, Tierney, Mc, Pastor, P, Razquin, C, Ortega-Cubero, S, Alonso, E, Perneczky, R, Diehl-Schmid, J, Alexopoulos, P, Kurz, A, Rainero, I, Rubino, E, Pinessi, L, Rogaeva, E, St George-Hyslop, P, Rossi, G, Tagliavini, F, Giaccone, G, Rowe, Jb, Schlachetzki, Jcm, Uphill, J, Collinge, J, Mead, S, Danek, A, Van Deerlin VM, Grossman, M, Trojanowski, Jq, van der Zee, J, Cruts, M, Van Broeckhoven, C, Cappa, Sf, Leber, I, Hannequin, D, Golfier, V, Vercelletto, M, Brice, A, Nacmias, B, Sorbi, S, Bagnoli, S, Piaceri, I, Nielsen, Je, Hjermind, Le, Riemenschneider, M, Mayhaus, M, Ibach, B, Gasparoni, G, Pichler, S, Gu, W, Rossor, Mn, Fox, Nc, Warren, Jd, Spillantini, Mg, Morris, Hr, Rizzu, P, Heutink, P, Snowden, Js, Rollinson, S, Richardson, A, Gerhard, A, Bruni, Ac, Maletta, R, Frangipane, F, Cupidi, C, Bernardi, L, Anfossi, M, Gallo, M, Conidi, Me, Smirne, N, Rademakers, R, Baker, M, Dickson, Dw, Graff-Radford, Nr, Petersen, Rc, Knopman, D, Josephs, Ka, Boeve, Bf, Parisi, Je, Seeley, Ww, Miller, Bl, Karydas, Am, Rosen, H, van Swieten JC, Dopper, Eg, Seelaar, H, Pijnenburg, Yal, Scheltens, P, Logroscino, G, Capozzo, R, Novelli, V, Puca, Aa, Franceschi, M, Postiglione, A, Milan, G, Sorrentino, P, Kristiansen, M, Chiang, Hh, Graff, C, Pasquier, F, Rollin, A, Deramecourt, V, Lebouvier, T, Kapogiannis, D, Ferrucci, L, Pickering-Brown, S, Singleton, Ab, Hardy, J, Momeni, P. )., Parastoo, Momeni, Sugrue, Leo P., Hess, Christopher P., James Barkovich, A., Boxer, Adam L., Seele, William W., Rabinovici, Gil D., Rosen, Howard J., Miller, Bruce L., Schmansky, Nicholas J., Bruce, Fischl, Hyman, Bradley T., Dickson, Dennis W., Schellenberg, Gerard D., Andreassen, Ole A., Dale, Anders M., Desikan, and Rahul S., and Int FTD-Genomics Consortium
Subjects: pathology [Tauopathies], 0301 basic medicine, Pathology, Aging, genetics [Basal Ganglia Diseases], Genome-wide association study, Neurodegenerative, diagnosis [Supranuclear Palsy, Progressive], diagnosis [Frontotemporal Dementia], pathology [Inclusion Bodies], 0302 clinical medicine, Neurology (clinical), Cellular and Molecular Neuroscience, Risk Factors, pathology [Neurons], Corticobasal degeneration, Supranuclear Palsy, 2.1 Biological and endogenous factors, Aetiology, genetics [Frontotemporal Dementia], Alzheimer's Disease Related Dementias (ADRD), Genetics, Inclusion Bodies, Neurons, genetics [Supranuclear Palsy, Progressive], Frontotemporal Dementia (FTD), Tauopathies, Frontotemporal Dementia, Neurological, Supranuclear Palsy, Progressive, Frontotemporal dementia, medicine.medical_specialty, pathology [Supranuclear Palsy, Progressive], Clinical Sciences, MAPT protein, human, Locus (genetics), Single-nucleotide polymorphism, tau Proteins, Biology, Article, Pathology and Forensic Medicine, Progressive supranuclear palsy, 03 medical and health sciences, Rare Diseases, Progressive, Basal Ganglia Diseases, mental disorders, medicine, Acquired Cognitive Impairment, Humans, ddc:610, Genetic association, Neurology & Neurosurgery, International FTD-Genomics Consortium, Prevention, Haplotype, Human Genome, Neurosciences, Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD), medicine.disease, metabolism [tau Proteins], digestive system diseases, Brain Disorders, 030104 developmental biology, pathology [Frontotemporal Dementia], Dementia, Human medicine, pathology [Basal Ganglia Diseases], 030217 neurology & neurosurgery
Abstract: Corticobasal degeneration (CBD), progressive supranuclear palsy (PSP) and a subset of frontotemporal dementia (FTD) are neurodegenerative disorders characterized by tau inclusions in neurons and glia (tauopathies). Although clinical, pathological and genetic evidence suggests overlapping pathobiology between CBD, PSP, and FTD, the relationship between these disorders is still not well understood. Using summary statistics (odds ratios and p values) from large genome-wide association studies (total n=14,286 cases and controls) and recently established genetic methods, we investigated the genetic overlap between CBD and PSP and CBD and FTD. We found up to 800-fold enrichment of genetic risk in CBD across different levels of significance for PSP or FTD. In addition to NSF (tagging the MAPT H1 haplotype), we observed that SNPs in or near MOBP, CXCR4, EGFR, and GLDC showed significant genetic overlap between CBD and PSP, whereas only SNPs tagging the MAPT haplotype overlapped between CBD and FTD. The risk alleles of the shared SNPs were associated with expression changes in cis-genes. Evaluating transcriptome levels across adult human brains, we found a unique neuroanatomic gene expression signature for each of the five overlapping gene loci (omnibus ANOVA p&nbsp
Published: 2017
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5. Observing Huntington's disease: the European Huntington's Disease Network's REGISTRY

Author: Orth, M, Handley, Oj, Schwenke, C, Dunnett, S, Wild, Ej, Tabrizi, Sj, Landwehrmeyer, Gb, Bachoud Lévi AC, Bentivoglio, Ar, Biunno, I, Bonelli, R, Burgunder, Jm, Dunnett, Sb, Ferreira, Jj, Giuliano, J, Heiberg, A, Illmann, T, van Kammen, D, Landwehrmeye, Gb, Levey, J, Nielsen, Je, Päivärinta, M, Roos, Ra, Sebastián, Ar, Vandenberghe, W, Verellen Dumoulin, C, Zaremba, J, Uhrova, T, Wahlström, J, Wallner, M, Barth, K, Guedes, Lc, Finisterra, Am, Garde, Mb, Bos, R, Burg, S, Ecker, D, Held, C, Koppers, K, Laurà, M, Descals, Am, Mclean, T, Mestre, T, Minster, S, Monza, D, Townhill, J, Padieu, H, Paterski, L, Peppa, N, Koivisto, Sp, Rialland, A, Røren, N, Sasinková, P, Cubillo, Pt, Tritsch, C, van Walsem MR, Witjes Ané MN, Yudina, E, Zielonka, D, Zielonka, E, Zinzi, P, Bonelli, Rm, Herranhof, B, Holl, A, Kapfhammer, Hp, Koppitz, M, Magnet, M, Otti, D, Painold, A, Reisinger, K, Scheibl, M, Hecht, K, Lilek, S, Müller, N, Schöggl, H, Ullah, J, Brugger, F, Hepperger, C, Hotter, A, Mahlknecht, P, Nocker, M, Seppi, K, Wenning, G, Buratti, L, Hametner, Em, Holas, C, Hussl, A, Mair, K, Poewe, W, Wolf, E, Zangerl, A, Braunwarth, Em, Sinadinosa, D, Walleczek, Am, Ladurner, G, Staffen, W, Ribaï, P, Flamez, A, Morez, V, de Raedt, S, Boogaerts, A, van Reijen, D, Klempíř, J, Kucharík, M, Roth, J, Šenkárová, Z, Hasholt, L, Hjermind, Le, Jakobsen, O, Nørremølle, A, Sørensen, Sa, Stokholm, J, Nielsen, J, Hiivola, H, Martikainen, K, Tuuha, K, Peippo, M, Sipponen, M, Ignatius, J, Kärppä, M, Åman, J, Santala, M, Allain, P, Guérid, Ma, Gohier, B, Olivier, A, Prundean, A, Scherer Gagou, C, Verny, C, Babiloni, B, Debruxelles, S, Goizet, C, Lafoucrière, D, De Bruycker, C, Carette, As, Decorte, E, Delval, A, Delliaux, M, Dujardin, K, Peter, M, Plomhouse, L, Simonin, C, Thibault Tanchou, S, Bellonet, M, Duru, C, Krystkowiak, P, Roussel, M, Wannepain, S, Azulay, Jp, Chabot, C, Delphini, M, Eusebio, A, Grosjean, H, Mundler, L, Nowak, M, Rudolf, G, Steinmetz, G, Tranchant, C, Wagner, C, Zimmermann, Ma, Calvas, F, Cheriet, S, Démonet, Jf, Galitzky, M, Kosinski, Cm, Milkereit, E, Probst, D, Sass, C, Schiefer, J, Schlangen, C, Werner, Cj, Gelderblom, H, Priller, J, Prüss, H, Spruth, Ej, Andrich, J, Hoffmann, R, Kraus, Ph, Muth, S, Prehn, C, Saft, C, Salmen, S, Stamm, C, Steiner, T, Strassburger, K, Lange, H, Friedrich, A, Hunger, U, Löhle, M, Schmidt, S, Storch, A, Wolz, A, Wolz, M, Lambeck, J, Zucker, B, Boelmans, K, Ganos, C, Hidding, U, Lewerenz, J, Münchau, A, Schmalfeld, J, Stubbe, L, Zittel, S, Diercks, G, Gorzolla, H, Schrader, C, Heinicke, W, Ribbat, M, Longinus, B, Bürk, K, Möller, Jc, Rissling, I, Peinemann, A, Städtler, M, Weindl, A, Bechtel, N, Beckmann, H, Bohlen, S, Hölzner, E, Reilmann, R, Rohm, S, Rumpf, S, Schepers, S, Beister, A, Dose, M, Hammer, K, Kieni, J, Leythaeuser, G, Marquard, R, Raab, T, Richter, S, Selimbegovic Turkovic, A, Schrenk, C, Schuierer, M, Wiedemann, A, Buck, A, Connemann, J, Eschenbach, C, Landwehrmeyer, B, Lezius, F, Nepper, S, Niess, A, Süssmuth, S, Trautmann, S, Weydt, P, Cormio, C, Difruscolo, O, Sciruicchio, V, Serpino, C, de Tommaso, M, Capellari, S, Cortelli, P, Gallassi, R, Poda, R, Rizzo, G, Scaglione, C, Bertini, E, Ghelli, E, Ginestroni, A, Massaro, F, Mechi, C, Paganini, M, Piacentini, S, Pradella, S, Romoli, Am, Sorbi, S, Abbruzzese, G, di Poggio MB, Di Maria, E, Ferrandes, G, Mandich, P, Marchese, R, Albanese, A, Di Bella, D, Di Donato, S, Gellera, C, Genitrini, S, Mariotti, C, Nanetti, L, Paridi, D, Soliveri, P, Tomasello, C, De Michele, G, Di Maio, L, Rinaldi, C, Russo, Cv, Salvatore, E, Tucci, T, Cannella, M, Codella, V, De Gregorio, F, De Nicola, N, Martino, T, Simonelli, M, Squitieri, F, Catalli, C, Di Giacopo, R, Fasano, A, Frontali, M, Guidubaldi, A, Ialongo, T, Jacopini, G, Loria, G, Modoni, A, Piano, C, Chiara, P, Quaranta, D, Romano, Silvia, Soleti, F, Spadaro, M, van Hout MS, van Vugt JP, de Weert AM, Bolwijn, Jj, Dekker, M, Leenders, Kl, van Oostrom JC, Dumas, Em, Jurgens, Ck, van den Bogaard SJ, 't Hart EP, Kremer, B, Verstappen, Cc, Frich, J, Wehus, R, Aaserud, O, Borgerød, N, Bjørgo, K, Fannemel, M, Gørvell, P, Pro Koivisto, S, Retterstøl, L, Overland, T, Stokke, B, Bjørnevoll, I, Sando, Sb, Blinkenberg, Eø, Hauge, E, Tyvoll, H, Sitek, E, Slawek, J, Soltan, W, Boczarska Jedynak, M, Jasinska Myga, B, Opala, G, Kłodowska Duda, G, Banaszkiewicz, K, Szczudlik, A, Rudzińska, M, Wójcik, M, Dec, M, Krawczyk, M, Bryl, A, Ciesielska, A, Klimberg, A, Marcinkowski, J, Sempołowicz, J, Samara, H, Janik, P, Kalbarczyk, A, Kwiecinski, H, Jamrozik, Z, Antczak, J, Jachinska, K, Rakowicz, M, Richter, P, Ryglewicz, D, Witkowski, G, Zdzienicka, E, Sułek, A, Krysa, W, Júlio, F, Januário, C, Guedes, L, Coelho, M, Mendes, T, Valadas, A, Timóteo, Â, Costa, C, Vale, J, Cavaco, S, Damásio, J, Magalhães, M, Gago, M, Garrett, C, Guerra, Mr, Solis, P, Herrera, Cd, Garcia, Pm, Barrero, F, Morales, B, Cubo, E, Mariscal, N, Alonso Frech, F, Perez, Mr, Fenollar, M, García, Rg, Quiroga, Pp, 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Thomson, J, Toscano, J, Wild, S, Yardumian, P, Bourne, C, Clayton, C, Dipple, H, Clapton, J, Grant, D, Hallam, C, Middleton, J, Murch, A, Patino, D, Bate, L, Pate, L, Andrews, T, Dougherty, A, Kavalier, F, Golding, C, Lashwood, A, Robertson, D, Ruddy, D, Whaite, A, Patton, M, Peterson, M, Rose, S, Bruno, S, Chu, E, Doherty, K, Henley, S, Lahiri, N, Novak, M, Patel, A, Read, J, Rosser, E, Say, M, Tabrizi, S, Taylor, R, Warner, T, Wild, E, Arran, N, Callaghan, J, Craufurd, D, Fullam, R, Howard, L, Huson, S, Oughton, E, Partington Jones, L, Snowden, J, Sollom, A, Stopford, C, Thompson, J, Trender Gerhad, I, Verstraelen, N, Westmoreland, L, Nemeth, Ah, Siuda, G, Harrison, D, Hughes, M, Parkinson, A, Soltysiak, B, Burn, J, Coleman, C, Majeed, T, Verstraelen Ritchie, N, Bandmann, O, Bradbury, A, Gill, P, Fairtlough, H, Fillingham, K, Foustanos, I, O'Donovan, K, Tidswell, K, Quarrell, O., Faculty of Economic and Social Sciences and Solvay Business School, Neurology, Clinical sciences, Neuroprotection & Neuromodulation, Orth M., European Huntington's Disease Network, Handley O.J., Schwenke C., Dunnet S., Wild E.J., Tabrizi S.J., Landwehrmeyer G.B., Capellari S., Cortelli P., Gallassi R., Poda R., Rizzo G., and Scaglione C.
Subjects: Gerontology, medicine.medical_specialty, Neurology, International Cooperation, Disease, Irritability, Data Collection/methods, Huntington's disease, medicine, Humans, Registries, Psychiatry, Suicidal ideation, Disease burden, business.industry, Data Collection, medicine.disease, Europe, Huntington Disease, Psychiatry and Mental health, European Huntington's Disease Network, Surgery, Observational study, Neurology (clinical), medicine.symptom, business
Abstract: BACKGROUND: Huntington's disease (HD) is a rare triplet repeat (CAG) disorder. Advanced, multi-centre, multi-national research frameworks are needed to study simultaneously multiple complementary aspects of HD. This includes the natural history of HD, its management and the collection of clinical information and biosamples for research. METHODS: We report on cross-sectional data of the first 1766 participants in REGISTRY, the European Huntington's Disease Network's (EHDN), multi-lingual, multi-national prospective observational study of HD in Europe. Data collection (demographics, phenotype, genotype, medication, co-morbidities, biosamples) followed a standard protocol. RESULTS: Phenotype, and the HD genotype, of manifest HD participants across different European regions was similar. Motor onset was most common (48%) with a non-motor onset in more than a third of participants. Motor signs increased, and cognitive abilities and functional capacity declined as the disease burden (CAGn-35.5) X age) increased. A life-time history of behavioural symptoms was common, but the behavioural score was not related to disease burden. One fifth of participants had severe psychiatric problems, e.g. suicidal ideation and attempts, and/or irritability/aggression, with psychosis being less common. Participants on anti-dyskinetic medication had a higher motor and lower cognitive score, were older, and more prone to physical trauma. A higher motor and a lower cognitive score predicted more advanced disease. CONCLUSIONS: The unparalleled collection of clinical data and biomaterials within the EHDN's REGISTRY can expedite the search for disease modifiers (genetic and environmental) of age at onset and disease progression that could be harnessed for the development of novel treatments.
Published: 2011

6. Normal and mutant HTT interact to affect clinical severity and progression in Huntington disease

Author: Aziz, Na, Jurgens, Ck, Landwehrmeyer, Gb, Ehdn, Rsg, van Roon Mom, Wm, van Ommen, Gj, Stijnen, T, Roos, Ra, Bachoud Levi, Ac, Bentivoglio, Ar, Biunno, I, Bonelli, R, Burgunder, Jm, Dunnett, Sb, Ferreira, J, Handley, Oj, Heiberg, A, Illmann, T, Levey, J, Nielsen, Je, Päivärinta, M, Rojo Sebastian, A, Tabrizi, Sj, Vandenberghe, W, Verellen Dumoulin, C, Zaremba, J, Uhrova, T, Wahlstrom, J, Schwenke, C, Orth, M, Wallner, M, Barth, K, Bascunana Garde, M, Ros, R, Ecker, D, Heinonen, N, Held, C, Laura, M, Martinez Descals, A, Mestre, T, Monza, D, Naji, J, Padieu, H, Pro Koivisto, S, Rialland, A, Sasinkova, P, Trigo Cubillo, P, van Walsem, M, Witjes Ane, Mn, Zielonka, D, Bonelli, Rm, Herranhof, B, Hodl, A, Koppitz, M, Magnet, M, Otti, D, Painold, A, Reisinger, K, Flamez, A, Morez, V, de Raedt, S, Ribai, P, Van Reijen, D, Hasholt, L, Hjermind, Le, Jakobsen, O, Norremolle, A, Sorensen, Sa, Stokholm, J, Peippo, M, Sipponen, M, Hiivola, H, Martikainen, K, Tuuha, K, Kosinski, Cm, Probst, D, Sass, C, Schiefer, J, Schlangen, C, Werner, Cj, Priller, J, Prüb, H, Andrich, J, Hoffmann, R, Kraus, P, Prehn, C, Saft, C, Salmen, S, Strabburger, K, Lange, H, Hunger, U, Löhle, M, Schmidt, S, Storch, A, Wolz, A, Wolz, M, Lammbeck, J, Zucker, B, Hidding, U, Münchau, A, Stubbe, L, Heinicke, W, Longinus, B, Möller, Jc, Rissling, I, Peinemann, A, Städtler, M, Weindl, A, Bohlen, S, Reilmann, R, Beuster, A, Dose, M, Leythaeuser, G, Marquard, R, Schrenk, C, Schuierer, M, Wiedemann, A, Landwehrmeyer, B, Lezius, F, Trautmann, S, Bertini, E, Mechi, C, Paganini, M, Piacentini, S, Romoli, M, Sorbi, S, Abbruzzese, Giovanni, Bandettini di Poggio, M, Ferrandes, G, Mandes, P, Marchese, R, Albanese, A, Di Donato, S, Mariotti, C, Soliveri, P, Carlo, R, Luigi, Dm, De michele, G, Rinaldi, C, Salvatore, E, Tucci, T, Ciarmiello, A, Martino, T, Simonelli, M, Squitieri, F, Fasano, A, Frontali, M, Guidubaldi, A, Lalongo, T, Jacopini, G, Loria, G, Piano, C, Romano, S, Soleti, F, Spadaro, M, Zinzi, P, van Walsem, Mr, Bjørgo, K, Fannemel, M, Gørvell, P, Retterstøl, L, Bjørnevoll, I, Sando, Sb, Sitek, Ej, Slawek, J, Soltan, W, Rudzinska, M, Szczudlik, A, Wójcik, M, Bryl, A, Ciesielska, A, Klimberg, A, Kozubski, W, Marcinkowski, J, Sempolowicz, Pj, Zielona, D, Janik, P, Kalbarczyk, A, Kwiecinski, H, Jamrozik, Z, Antczak, J, Rakowicz, M, Richter, P, Ryglewicz, D, Zdzienicka, E, Costa, C, Coelho, M, Ferreira, Jj, Rosa, Mm, Valadas, A, Gago, M, Garrett, C, Guerra, Mr, Bas, J, Calopa, M, Barberà, Ma, Badenes, D, Casas, L, Arroyo, Se, Vara, Jh, Krupinski, J, López, J, Obdulia, M, Ferrer, Pq, Sebastián, Ar, Contreras, Sr, Carruesco, Gt, Cubo, E, Mariscal, N, Sánchez, J, Barrero, Fj, Morales, B, Garcia Ramos Garcia, R, Pin Quiroga, P, Villanueva, C, Ruiz Espiga, Pj, Martinez, A, Saiz Artiga, Mj, Sánchez, V, Bascuñana, M, Fatas, M, Ribas, Gg, de Yébenes, Jg, López Moreno, Jl, Schwarz, C, Cubillo, Pt, Arques, Pn, Gorospe, A, Legarda, I, Rodriguez, Mj, Gaston, I, Ramos Arroyo, Ma, del Val, Jl, Martinez, L, Romero, I, Schüpbach, M, Zaugg, Sw, van Hout, Ms, van Vugt, Jp, de Weert, Am, Bolwijn, Jj, Dekker, M, Leenders, Kl, van Oostrom, Jc, Bos, R, Dumas, E, Witjes Ané, Mn, Matheson, K, Rae, D, Simpson, S, Summers, F, Ure, A, Curtis, A, Keylock, J, Rickards, H, Wright, J, Barker, Ra, Fisher, K, Goyder Goodman, Ao, Hill, S, Kershaw, A, Mason, S, Paterson, N, Raymond, L, Bisson, J, Busse, M, Ellison Rose, L, Handley, O, Price, K, Rosser, A, Edwards, M, De Sousa, Pa, Hughes, T, Mcgill, M, Pearson, P, Porteous, M, Zema, A, Brockie, P, Foster, J, Johns, N, Mckenzie, S, Thomas, G, Burrows, L, Fletcher, A, Laver, F, Silva, M, Thomas, A, Chu, C, Hobson, E, Jamieson, S, Toscano, J, Wild, S, Yardumian, P, Bourne, C, Clayton, C, Dipple, H, Grant, J, Gross, D, Hallam, C, Middleton, J, Murch, A, Andrews, T, Dougherty, A, Kavalier, F, Golding, C, Lashwood, A, Robertson, D, Ruddy, D, Whaite, A, Bruno, S, Henley, S, O'Driscoll, C, Patel, A, Rosser, E, Tabrizi, S, Taylor, R, Warner, T, Wild, E, Arran, N, Craufurd, D, Fullam, R, Howard, L, Huson, S, Partington Jones, L, Ritchie, N, Snowden, J, Solom, A, Stopford, C, Thompson, J, Westmoreland, L, Nemeth, Ah, Siuda, G, Bandmann, O, Bradbury, A, Fillingham, K, Foustanos, I, Quarrell, O, Reynders, H, Robertson, L, Tidswell, K., Mandich, Paola, Aziz, Na, Jurgens, Ck, Landwehrmeyer, Gb, EHDN Registry Study, Group, van Roon Mom, Wm, van Ommen, Gj, Stijnen, T, Bachoud Levi AC, Roos R. A., Bentivoglio, Ar, Biunno, I, Bonelli, R, Burgunder, Jm, Dunnett, Sb, Ferreira, J, Handley, Oj, Heiberg, A, Illmann, T, Levey, J, Nielsen, Je, Päivärinta, M, Roos, Ra, Rojo Sebastian, A, Tabrizi, Sj, Vandenberghe, W, Verellen Dumoulin, C, Zaremba, J, Uhrova, T, Wahlstrom, J, Schwenke, C, Orth, M, Wallner, M, Barth, K, Bascunana Garde, M, Ros, R, Ecker, D, Heinonen, N, Held, C, Laura, M, Martinez Descals, A, Mestre, T, Monza, D, Naji, J, Padieu, H, Pro Koivisto, S, Rialland, A, Sasinkova, P, Trigo Cubillo, P, van Walsem, M, Witjes Ane, Mn, Zielonka, D, Bonelli, Rm, Herranhof, B, Hodl, A, Koppitz, M, Magnet, M, Otti, D, Painold, A, Reisinger, K, Flamez, A, Morez, V, de Raedt, S, Ribai, P, Van Reijen, D, Hasholt, L, Hjermind, Le, Jakobsen, O, Norremolle, A, Sorensen, Sa, Stokholm, J, Peippo, M, Sipponen, M, Hiivola, H, Martikainen, K, Tuuha, K, Kosinski, Cm, Probst, D, Sass, C, Schiefer, J, Schlangen, C, Werner, Cj, Priller, J, Prüb, H, Andrich, J, Hoffmann, R, Kraus, P, Prehn, C, Saft, C, Salmen, S, Strabburger, K, Lange, H, Hunger, U, Löhle, M, Schmidt, S, Storch, A, Wolz, A, Wolz, M, Lammbeck, J, Zucker, B, Hidding, U, Münchau, A, Stubbe, L, Heinicke, W, Longinus, B, Möller, Jc, Rissling, I, Peinemann, A, Städtler, M, Weindl, A, Bohlen, S, Reilmann, R, Beuster, A, Dose, M, Leythaeuser, G, Marquard, R, Schrenk, C, Schuierer, M, Wiedemann, A, Landwehrmeyer, B, Lezius, F, Trautmann, S, Bertini, E, Mechi, C, Paganini, M, Piacentini, S, Romoli, M, Sorbi, S, Abbruzzese, G, Bandettini di Poggio, M, Ferrandes, G, Mandes, P, Marchese, R, Albanese, A, Di Donato, S, Mariotti, C, Soliveri, P, Carlo, R, Luigi, Dm, DE MICHELE, Giuseppe, Rinaldi, Carlo, Salvatore, Elena, Tucci, Tecla, Ciarmielo, A, Martino, T, Simonelli, M, Squitieri, F, Fasano, A, Frontali, M, Guidubaldi, A, Lalongo, T, Jacopini, G, Loria, G, Piano, C, Romano, S, Soleti, F, Spadaro, M, Zinzi, P, van Walsem, Mr, Bjørgo, K, Fannemel, M, Gørvell, P, Retterstøl, L, Bjørnevoll, I, Sando, Sb, Sitek, Ej, Slawek, J, Soltan, W, Rudzinska, M, Szczudlik, A, Wójcik, M, Bryl, A, Ciesielska, A, Klimberg, A, Kozubski, W, Marcinkowski, J, Sempolowicz, Pj, Zielona, D, Janik, P, Kalbarczyk, A, Kwiecinski, H, Jamrozik, Z, Antczak, J, Rakowicz, M, Richter, P, Ryglewicz, D, Zdzienicka, E, Costa, C, Coelho, M, Ferreira, Jj, Rosa, Mm, Valadas, A, Gago, M, Garrett, C, Guerra, Mr, Bas, J, Calopa, M, Barberà, Ma, Badenes, D, Casas, L, Arroyo, Se, Vara, Jh, Krupinski, J, López, J, Obdulia, M, Ferrer, Pq, Sebastián, Ar, Contreras, Sr, Carruesco, Gt, Cubo, E, Mariscal, N, Sánchez, J, Barrero, Fj, Morales, B, Garcia Ramos Garcia, R, Pin Quiroga, P, Villanueva, C, Ruiz Espiga, Pj, Martinez, A, Saiz Artiga, Mj, Sánchez, V, Bascuñana, M, Fatas, M, Ribas, Gg, de Yébenes, Jg, López Moreno, Jl, Schwarz, C, Cubillo, Pt, Arques, Pn, Gorospe, A, Legarda, I, Rodriguez, Mj, Gaston, I, Ramos Arroyo, Ma, del Val, Jl, Martinez, L, Romero, I, Schüpbach, M, Zaugg, Sw, van Hout, M, van Vugt, Jp, de Weert, Am, Bolwijn, Jj, Dekker, M, Leenders, Kl, van Oostrom, Jc, Bos, R, Dumas, E, Witjes Ané, Mn, Matheson, K, Rae, D, Simpson, S, Summers, F, Ure, A, Curtis, A, Keylock, J, Rickards, H, Wright, J, Barker, Ra, Fisher, K, Goyder Goodman, Ao, Hill, S, Kershaw, A, Mason, S, Paterson, N, Raymond, L, Bisson, J, Busse, M, Ellison Rose, L, Handley, O, Price, K, Rosser, A, Edwards, M, De Sousa, Pa, Hughes, T, Mcgill, M, Pearson, P, Porteous, M, Zema, A, Brockie, P, Foster, J, Johns, N, Mckenzie, S, Thomas, G, Burrows, L, Fletcher, A, Laver, F, Silva, M, Thomas, A, Chu, C, Hobson, E, Jamieson, S, Toscano, J, Wild, S, Yardumian, P, Bourne, C, Clayton, C, Dipple, H, Grant, J, Gross, D, Hallam, C, Middleton, J, Murch, A, Andrews, T, Dougherty, A, Kavalier, F, Golding, C, Lashwood, A, Robertson, D, Ruddy, D, Whaite, A, Bruno, S, Henley, S, O'Driscoll, C, Patel, A, Rosser, E, Tabrizi, S, Taylor, R, Warner, T, Wild, E, Arran, N, Craufurd, D, Fullam, R, Howard, L, Huson, S, Partington Jones, L, Ritchie, N, Snowden, J, Solom, A, Stopford, C, Thompson, J, Westmoreland, L, Nemeth, Ah, Siuda, G, Bandmann, O, Bradbury, A, Fillingham, K, Foustanos, I, Quarrell, O, Reynders, H, Robertson, L, Tidswell, K., Neurology, Clinical sciences, and Neuroprotection & Neuromodulation
Subjects: Adult, Male, medicine.medical_specialty, Pathology, congenital, hereditary, and neonatal diseases and abnormalities, Huntingtin, Adolescent, Huntington Disease/epidemiology, Serotonin Plasma Membrane Transport Proteins/genetics, Severity of Illness Index, Basal Ganglia, Central nervous system disease, Young Adult, Degenerative disease, Internal medicine, Basal ganglia, Severity of illness, mental disorders, medicine, Humans, Prospective Studies, Allele, Age of Onset, Child, Basal Ganglia/pathology, Aged, Serotonin Plasma Membrane Transport Proteins, Middle Aged, medicine.disease, Magnetic Resonance Imaging, Endocrinology, Huntington Disease, Mutation, Disease Progression, Female, Neurology (clinical), Age of onset, Trinucleotide repeat expansion, Psychology, Trinucleotide Repeat Expansion, Follow-Up Studies
Abstract: OBJECTIVE: Huntington disease (HD) is an autosomal dominant neurodegenerative disorder caused by a CAG repeat expansion in the HD gene (HTT). We aimed to assess whether interaction between CAG repeat sizes in the mutant and normal allele could affect disease severity and progression. METHODS: Using linear regression and mixed-effects models, the influence of mutant and normal CAG repeat sizes interaction was assessed on 1) age at onset in 921 patients with HD, 2) clinical severity and progression in 512 of these patients with follow-up data available, and 3) basal ganglia volume on magnetic resonance images in 16 premanifest HD mutation carriers. RESULTS: Normal and mutant CAG repeat sizes interacted to influence 1) age at onset (p = 0.001), 2) severity or progression of motor, cognitive, and functional, but not behavioral, symptoms in patients with HD (all p < 0.05), and 3) in premanifest subjects, basal ganglia volumes (p < 0.05). In subjects with mutant CAG expansions in the low range, increasing size of the normal repeat correlated with more severe symptoms and pathology, whereas for those subjects with expansions in the high range, increasing size of the normal repeat correlated with less severe symptoms and pathology. CONCLUSIONS: Increasing CAG repeat size in normal HTT diminishes the association between mutant CAG repeat size and disease severity and progression in Huntington disease. The underlying mechanism may involve interaction of the polyglutamine domains of normal and mutant huntingtin (fragments) and needs further elucidation. These findings may have predictive value and are essential for the design and interpretation of future therapeutic trials.
Published: 2009

7. A Randomized, Double-blind, Placebo-Controlled Study of Latrepirdine in Patients With Mild to Moderate Huntington Disease

Author: Kieburtz, K, Landwehrmeyer, GB, Cudkowicz, M, Dorsey, ER, Feigin, A, Hunt, V, Kayson, E, McDermott, M, Noonberg, S, Seitz, W, Soliveri, P, Walker, F, Burgunder, J-M, Romero, I, Magara, A, Stebler, Y, Rickards, H, Wright, J, De Souza, J, Barker, RA, Mason, S, Di Pietro, A, Goodman, A, O'Keeffe, D, Langlois, M, Ferland, G, Verret, L, Chouinard, S, Paris, S, LePage, C, Nemeth, AH, Merritt, C, Cox, C, Astbury, T, Murphy, S, Ahmed, A, St Marie, P, Berila, RA, Kubu, C, Segro, V, Kumar, R, Erickson, D, Schneiders, J, Frucht, S, Wasserman, P, Moskowitz, C, Scott, B, Perry-Trice, P, Wyne, S, Parida, D, Redaelli, V, Soltan, W, Robowski, P, Nowak, M, Schinwelski, M, Dziadkiewicz, A, Andrews, T, Ruddy, D, Dougherty, A, Boelmans, K, Schmalfeld, J, Muenchau, A, Zittel, S, Mallonee, W, Suter, G, Tan, J, Seeberger, L, Harris, J, Champion, J, Wojcieszek, J, Belden, J, Price, K, Hughes-Gay, M, Sprehn, G, Squitieri, F, Martino, T, De Gregorio, F, De Nicola, A, Elifani, F, Rosenblatt, A, Yoritomo, N, Margolis, R, Nichols, P, Palhagen, SE, Hoglund, AV, Paucar, M, Reza-Soltani, TW, Beister, A, Raab, T, Kieni, J, Schrenk, C, Banaszkiewicz, K, Misztela, J, Wojcik, M, Szczygiel, E, Golosz, M, Rudzinska, M, Roos, RAC, van den Bogaard, SJA, Bos, R, Booij, SJ, Hyson, C, Megens, J, Makaji, E, Jenkins, M, Hersch, S, Maya, S, Dresser, C, Rosas, D, Blindauer, K, Schindler, C, Hung, S, McNees, AA, Tabrizi, S, Novak, M, Say, M, Patel, A, Panegyres, P, Lewis, N, Jukich, S, Faull, C, Hjermind, LE, Jakobsen, O, Vogel, A, Nielsen, TR, Nielsen, JE, Kostyk, S, Seward, A, Agrawal, P, Kraakevik, J, Hogarth, P, Wilson, A, Lear, J, Kraus, PH, Saft, C, Steiner, T, Hoffmann, R, Stamm, C, Schollhammer, J, Uhl, I, Kaminski, B, O'Donovan, K, Quarrell, O, Nevitt, L, Kipps, C, Hare, A, Gunner, K, Hayward, E, Nance, M, Hamerlinck, J, Wielinski, C, Yastrubetskaya, O, Chiu, E, Chua, P, Mannaa, B, de Tommaso, M, Serpino, C, Cormio, C, Sciruicchio, V, De Michele, G, Di Maio, L, Russo, CV, Sacca, F, Salvatore, E, Tucci, T, Wolz, M, Klingelhoefer, L, Wolz, A, Schmidt, S, Storch, A, Spruth, E, Thiel, S, Neumann, B, Gelderblom, H, Priller, J, Sass, C, Probst, D, Werner, C, Leavitt, BR, Coleman, A, Raymond, L, Wheelock, V, Tempkin, T, Baynes, K, Hermanowicz, N, Niswonger, S, Haske-Palomino, M, Bordelon, Y, Gratiano, A, Johnson, A, Corey-Bloom, J, Goldstein, J, Peavy, G, Geschwind, M, Gooblar, J, Barton, C, Fernandez, H, Rodriguez, R, Suelter, M, Daniels, M, Romrell, J, Swartz, C, Beglinger, L, Epping, E, Waterman, E, Smith, MM, Dubinsky, R, Dubinsky, H, Gray, C, Craufurd, D, Howard, E, Jones, M, Murphy, H, Anderson, K, Nickerson, C, De Santo, J, Rigaud, T, Zappala, N, Robottom, B, Singer, C, Quesada, M, Rodriguez-Spengler, K, Cardenache, RH, Reilmann, R, Bohlen, S, Hoelzner, E-M, Colcher, A, Maccarone, H, Altin, L, Siderowf, A, Greenamyre, TJ, Lucarelli, N, Ivanco, L, Marshall, F, Hickey, C, Deuel, L, Biglan, K, Sussmuth, SD, Orth, M, Trautmann, S, Eschenbach, C, Samii, A, Macaraeg, A, Zielonka, D, Ciesielska, A, Marcinkowski, JT, Sempolowicz, J, Karaskiewicz, H, O'Neill, C, Haq, I, Witkowski, G, Antczak, J, Rola, R, Richter, P, Rakowicz, M, Jachinska, K, Criswell, S, Deppen, P, Wharton, K, Mahant, N, McCusker, E, Griffith, J, Loy, C, Stewart, L, Fisher, D, Holt, D, Orme, C, Watts, A, Weber, J, White, K, Hauser, RA, Albin, R, Coffey, C, Fischer, W, Miyasaki, J, Investigators, HORIZON, HORIZON Investigators of the Huntington Disease Study, Group, European Huntington's Disease, Network, Salvatore, Elena, DE MICHELE, Giuseppe, and Sacca', Francesco
Subjects: Male, medicine.medical_specialty, Indoles, Placebo-controlled study, Comorbidity, Placebo, Severity of Illness Index, law.invention, Placebos, Randomized controlled trial, Double-Blind Method, law, Internal medicine, medicine, Dementia, Humans, Donepezil, Adverse effect, Rivastigmine, Psychiatric Status Rating Scales, business.industry, Australia, Latrepirdine, Middle Aged, medicine.disease, Huntington Disease, Treatment Outcome, North America, Physical therapy, Female, Neurology (clinical), business, medicine.drug
Abstract: BACKGROUND Latrepirdine is an orally administered experimental small molecule that was initially developed as an antihistamine and subsequently was shown to stabilize mitochondrial membranes and function, which might be impaired in Huntington disease. OBJECTIVE To determine the effect of latrepirdine on cognition and global function in patients with mild to moderate Huntington disease. DESIGN Randomized, double-blind, placebo-controlled study. SETTING Sixty-four research centers in Australia, Europe, and North America. PATIENTS Four hundred three patients with mild to moderate Huntington disease and baseline cognitive impairment (Mini-Mental State Examination score, 10-26). INTERVENTION Latrepirdine (20 mg) vs matching placebo administered orally 3 times daily for 26 weeks. MAIN OUTCOME MEASURES The co-primary outcome measures were cognition as measured by the change in Mini-Mental State Examination score from baseline to week 26 and global function at week 26 as measured by the Clinician Interview-Based Impression of Change, plus carer interview, which ranges from 1 (marked improvement) to 7 (marked worsening). Secondary efficacy outcome measures included behavior, daily function, motor function, and safety. RESULTS The mean change in Mini-Mental State Examination score among participants randomized to latrepirdine (1.5-point improvement) did not differ significantly from that among participants randomized to placebo (1.3-point improvement) (P = .39). Similarly, the distribution of the Clinician Interview-Based Impression of Change, plus carer interview did not differ significantly among those randomized to latrepirdine compared with placebo (P = .84). No significant treatment effects were detected on the secondary efficacy outcome measures. The incidence of adverse events was similar between those randomized to latrepirdine (68.5%) and placebo (68.0%). CONCLUSION In patients with mild to moderate Huntington disease and cognitive impairment, treatment with latrepirdine for 6 months was safe and well tolerated but did not improve cognition or global function relative to placebo. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT00920946.
Published: 2013

8. β-Defensin Genomic Copy Number Does Not Influence the Age of Onset in Huntington's Disease

Author: Vittori, A, Orth, M, Roos, Ra, Outeiro, Tf, Giorgini, F, Hollox, Ej, Bachoud-Levi, Ac, Bentivoglio, Ar, Biunno, I, Bonelli, Rm, Burgunder, Jm, Dunnett, Sb, Ferreira, Jj, Handley, Oj, Heiberg, A, Illmann, T, Landwehrmeyer, Gb, Levey, J, Martinez-Jaurrieta, Md, Nielsen, Je, Pro Koivisto, S, Piiiviirinta, M, Sebastian, Ar, Tabrizi, Sj, Vandenberghe, W, Verellen-Dumoulin, C, Zaremba, J, Uhrova, T, Wahlstrom, J, Barth, K, Correia-Guedes, L, Finisterra, Am, Bascuiiana Garde, M, Betz, S, Bos, R, Ecker, D, Held, C, Koppers, K, Laura, M, Descals, Am, Mestre, T, Monza, D, Townhill, J, Padieu, H, Paterski, L, Peppa, N, Rialland, A, Røren, N, Sasinkova, P, Trigo Cubillo, P, van Walsem, M, Witjes-Ane, Mn, Yudina, E, Zielonka, D, Zielonka, E, Zinzi, P, Herranhof, B, Hod, A, Kapfhammer, Hp, Koppitz, M, Magnet, M, Otti, D, Painold, A, Reisinge, K, Scheib, M, Hecht, K, Lilek, S, Muller, N, Schoggl, H, Ullah, J, Ribal, P, Klempff, J, Majerova, V, Roth, J, Hjermind, Le, Jakobsen, O, Vinthev-Jensen, T, Larsen, Iu, Stokholm, J, Hiivola, H, Martikainen, K, Tuuha, K, Santala, M, Milkereit, E, Kosinski, Cm, Probst, D, Reetz, K, Sass, C, Schiefer, J, Schlangen, C, Werner, Cj, Andrich, J, Ellrichmann, G, Hoffmann, R, Kaminski, B, Saft, C, Stamm, C, Lange, H, Lohle, M, Schmidt, S, Storch, A, Wolz, A, Wolz, M, Capetian, P, Lambeck, J, Zucker, B, Boelmans, K, Ganos, C, Hidding, U, Lewerenz, J, Miinchau, A, Schmalfeld, J, Stubbe, L, Zittel, S, Heinicke, W, Ribbat, M, Longinus, B, Miihlau, M, Peinemann, A, Stiidtler, M, Weindl, A, Winkelmann, J, Ziegler, C, Bechtel, N, Beckmann, H, Bohlen, S, Holzner, E, Reilmann, R, Rohm, S, Rumpf, S, Schepers, S, Dose, M, Leythaeuser, G, Marquard, R, Raab, T, Schrenk, C, Schuierer, M, Buck, A, Eschenbach, C, Landwehrmeyer, B, Lezius, F, Nepper, S, Niess, A, Schwenk, D, Siissmuth, S, Trautmann, S, Weydt, P, Cormio, C, de Tommaso, M, Sciruicchio, V, Serpino, C, Ghelli, E, Ginestroni, A, Bertini, E, Massaro, F, Mechi, C, Paganini, M, Piacentini, S, Pradella, S, Romoli, Am, Sorbi, S, Abbruzzese, G, Ferrandes, Mb, Di Maria, E, Ferrandes, G, Mandich, P, Marchese, R, Di Donato, S, Gellera, C, Genitrini, S, Mariotti, C, Nanetti, L, Soliveri, P, Tomasello, C, De Michele, G, Dimaio, L, Massarelli, M, Rinaldi, C, Roca, A, Rossi, F, Russo, Cv, Salvatore, E, Sorrentino, P, Tucci, T, De Nicola, A, Elifani, F, Petrollini, M, Martino, T, Lovo, F, Squitieri, F, Catalli, C, Di Giacopo, R, Fasano, A, Frontali, M, Guidubaldi, A, Ialongo, T, Jacopini, G, Loria, G, Piano, C, Piccininni, C, Quaranta, D, Romano, S, Soleti, F, Spadaro, M, van Hout MS, van Vugt JP, de Weert, A, Bolwijn, Jj, Neurologie, P, Dekker, M, Leenders, Kl, van Oostrom JC, Dumas, Em, Jurgens, Ck, van den Bogaard SJ, 't Hart EP, Kremer, B, Verstappen, Cc, van Walsem MR, Frich, J, Aaserud, O, Wehus, R, Bjørgo, K, Fannemel, M, Gørvell, P, Lorentzen, E, Koivisto, Sp, Retterstøl, L, Stokke, B, Bjørnevoll, I, Sando, Sb, Dziadkiewicz, A, Nowak, M, Robowski, P, Sitek, E, Slawek, J, Soltan, W, Szinwelski, M, Blaszczyk, M, Boczarska-Jedynak, M, Ciach-Wysocka, E, Gorzkowska, A, Jasinska-Myga, B, Opala, G, Klodowska, G, Stompel, D, Banaszkiewicz, K, Boewiriska, D, Bojakowska-Jaremek, K, Neurologii, A, Dec, M, Krawczyk, M, Rudziriska, M, Szczudlik, A, Szczygiel, E, Wasielewska, A, Wojcik, M, Bryl, A, Ciesielska, A, Klimberg, A, Marcinkowski, J, Samara, H, Sempolowicz, J, Janik, P, Kalbarczyk, A, Kwiecinski, H, Jamrozik, Z, Antczak, J, Jachinska, K, Krysa, W, Rakowicz, M, Richter, P, Rola, R, Ryglewicz, D, Sienkiewicz-Jarosz, H, Sulek, A, Witkowski, G, Zdzienicka, E, Zieora-Jakutowicz, K, Coelho, M, Mendes, T, Valadas, A, Andrade, C, Joao, Ps, Gago, M, Garrett, C, Guerra, Mr, Solis, P, Herrera, Cd, Garcia, Pm, Cubo, E, Mariscal, N, Sanchez, J, Barrero, Fj, Alonso-Frech, F, Perez, Mr, Fenollar, M, Garda, R, Rivera, Sv, Villanueva, C, Alegre, J, Bascuiiana, M, Ventura, Mf, Ribas, Gg, Moreno, Jl, Cubillo, Pt, Rufz, Pj, Frech, Fa, Dfaz, J, Guerrero, R, Artiga, Mj, Sanchez, V, Alcaraz, Lf, de Ia Arrixaca, V, Manzanares, S, Perea, Mf, Reinante, G, Arrixaca, Ia, Torres, Mm, Moreau, Lv, Barbera, Ma, Guia, Db, Hernanz, Lc, Catena, Jl, Sebastian, R, Ferrer, Pq, Carruesco, Gt, Bas, J, Busquets, N, Calopa, M, Buongiorno, Mt, Munoz, E, Elorza, Md, Lopez, Cd, Terol, Ds, Robert, Mf, Rufz, Bg, Casado, Ag, Martinez, Ih, Viladrich, Cm, Pons, R, Roca, E, Llesoy, Jr, Idiago, Jm, Vergara, Mr, Garcia, Ss, Riballo, Av, Hoglund, A, Palhagen, Se, Paucar, M, Sandstrom, B, Svenningsson, P, Reza-Soltani, Tw, Kaelin, A, Romero, I, Schupbach, M, Stebler, Y, Zaugg, Sw, Akhtar, S, Crooks, J, Curtis, A, de Souza, J, Rickards, H, Wright, J, Barker, Ra, Di Pietro, A, Fisher, K, Goodman, Ao, Hill, S, Kershaw, A, Mason, S, O'Keefe, D, Swain, R, Guzman, Nv, Busse, M, Butcher, C, Clenaghan, C, Dunnett, S, Fullam, R, Jones, L, Jones, U, Khalil, H, Minster, S, Owen, M, Hunt, S, Price, K, Rosser, A, Edwards, M, Ho, C, Mcgill, M, Pearson, P, Porteous, M, Brockie, P, Foster, J, Johns, N, Mckenzie, S, Rothery, J, Thomas, G, Yates, S, Burrows, L, Chu, C, Fletcher, A, Gallantrae, D, Harding, A, Hamer, S, Kraus, A, Laver, F, Longthorpe, M, Markova, I, Raman, A, Silva, M, Thomson, A, Wild, S, Yardumian, P, Hobson, E, Jamieson, S, Musgrave, H, Rowett, L, Toscano, J, Clayton, C, Dipple, H, Middleton, J, Patino, D, Andrews, T, Dougherty, A, Kavalier, F, Golding, C, Laing, H, Lashwood, A, Robertson, D, Ruddy, D, Whaite, A, Santhouse, A, Bruno, S, Doherty, K, Lahiri, N, Novak, M, Patel, A, Rosser, E, Tabrizi, S, Taylor, R, Warner, T, Wild, E, Arran, N, Bek, J, Callaghan, J, Craufurd, D, Howard, L, Hare, M, Huson, S, Johnson, L, Jones, M, Murphy, H, Oughton, E, Partington-Janes, L, Rogers, D, Snowden, J, Sollom, A, Stopford, C, Thompson, J, Trender-Gerhard, I., Vittori, Angelica, Orth, Michael, Roos, Raymund A C, Outeiro, Tiago F, Giorgini, F, Russo, Cinzia Valeria, Flaviano, and Hollox, Edward J
Subjects: Adult, Male, Age of Onset, DNA Copy Number Variations, Female, Genotype, Humans, Huntington Disease, Middle Aged, beta-Defensins, Disease, Biology, Genetic modifier, Article, Pathogenesis, 03 medical and health sciences, Cellular and Molecular Neuroscience, 0302 clinical medicine, Huntington's disease, medicine, Copy-number variation, Defensin, 030304 developmental biology, Genetics, 0303 health sciences, copy number variation, inflammation, Acquired immune system, medicine.disease, 3. Good health, Beta defensin, Neurology (clinical), Age of onset, 030217 neurology & neurosurgery
Abstract: Background: Huntington's disease (HD) is an autosomal dominant neurodegenerative disorder caused by the abnormal expansion of a CAG triplet repeat tract in the huntingtin gene. While the length of this CAG expansion is the major determinant of the age of onset (AO), other genetic factors have also been shown to play a modulatory role. Recent evidence suggests that neuroinflammations is a pivotal factor in the pathogenesis of HD, and that targeting this process may have important therapeutic ramifications. The human β-defensin 2 (hBD2)- encoded by DEFB4- is an antimicrobial peptide that exhibits inducible expression in astrocytes during inflammation and is an important regulator of innate and adaptive immune response. Therefore, DEFB4 may contribute to the neuroinflammatory processes observed in HD. Objective: In this study we tested the hypothesis that copy number variation (CNV) of the β-defensin region, including DEFB4, modifies the AO in HD. Methods and results: We genotyped β-defensin CNV in 490 HD individuals using the paralogue ratio test and found no association between β-defensin CNV and onset of HD. Conclusions: We conclude that it is unlikely that DEFB4 plays a role in HD pathogenesis.
Published: 2013

9. Discrepancies in reporting the CAG repeat lengths for Huntington's disease

Author: Quarrell, Ow, Handley, O, O'Donovan, K, Dumoulin, C, Ramos Arroyo, M, Biunno, I, Bauer, P, Kline, M, Landwehrmeyer, Gb, Barth, K, Correia Guedes, L, Maria Finisterra, A, Bascuñana Garde, M, Bos, R, Ecker, D, Held, C, Koppers, K, Laurà, M, Martínez Descals, A, Mclean, T, Mestre, T, Minster, S, Monza, D, Townhill, J, Orth, M, Padieu, H, Paterski, L, Peppa, N, Koivisto, Sp, Rialland, A, Røren, N, Šašinková, P, Cubillo, Pt, van Walsem MR, Witjes Ané MN, Yudina, E, Zielonka, D, Zielonka, E, Zinzi, P, Bachoud Lévi AC, Bentivoglio, Ar, Bonelli, R, Burgunder, Jm, Dunnett, Sb, Ferreira, Jj, Handley, Oj, Heiberg, A, Illmann, T, Levey, J, Nielsen, Je, Päivärinta, M, Roos, Ra, Rojo Sebastián, A, Tabrizi, Sj, Vandenberghe, W, Verellen Dumoulin, C, Zaremba, J, Uhrova, T, Wahlström, J, Bonelli, Rm, Herranhof, B, Holl, A, Kapfhammer, Hp, Koppitz, M, Magnet, M, Otti, D, Painold, A, Reisinger, K, Scheibl, M, Hecht, K, Lilek, S, Müller, N, Schöggl, H, Ullah, J, Brugger, F, Hepperger, C, Hotter, A, Mahlknecht, P, Nocker, M, Seppi, K, Wenning, G, Buratti, L, Hametner, Em, Holas, C, Hussl, A, Mair, K, Poewe, W, Wolf, E, Zangerl, A, Braunwarth, Em, Ribaï, P, Flamez, A, Morez, V, de Raedt, S, Boogaerts, A, van Reijen, D, Klempíř, J, Kucharík, M, Roth, J, Hjermind, Le, Jakobsen, O, Stokholm, J, Hasholt, L, Nørremølle, A, Sørensen, Sa, Hiivola, H, Martikainen, K, Tuuha, K, Peippo, M, Sipponen, M, Kosinski, Cm, Milkereit, E, Probst, D, Sass, C, Schiefer, J, Schlangen, C, Werner, Cj, Gelderblom, H, Priller, J, Prüss, H, Spruth, Ej, Andrich, J, Hoffmann, R, Kraus, Ph, Muth, S, Prehn, C, Saft, C, Salmen, S, Stamm, C, Steiner, T, Strassburger, K, Lange, H, Friedrich, A, Hunger, U, Löhle, M, Schmidt, S, Storch, A, Wolz, A, Wolz, M, Lambeck, J, Zucker, B, Boelmans, K, Ganos, C, Hidding, U, Lewerenz, J, Münchau, A, Schmalfeld, J, Stubbe, L, Zittel, S, Heinicke, W, Longinus, B, Uni, M, Bürk, K, Möller, Jc, Rissling, I, Peinemann, A, Städtler, M, Weindl, A, Bechtel, N, Beckmann, H, Bohlen, S, Hölzner, E, Reilmann, R, Rohm, S, Rumpf, S, Schepers, S, Beister, A, Dose, M, Hammer, K, Kieni, J, Leythaeuser, G, Marquard, R, Raab, T, Richter, S, Selimbegovic Turkovic, A, Schrenk, C, Schuierer, M, Wiedemann, A, Buck, A, Connemann, J, Eschenbach, C, Landwehrmeyer, B, Lezius, F, Nepper, S, Niess, A, Süssmuth, S, Trautmann, S, Weydt, P, Cormio, C, Difruscolo, O, Sciruicchio, V, Serpino, C, de Tommaso, M, Capellari, S, Cortelli, P, Gallassi, R, Poda, R, Rizzo, G, Scaglione, C, Bertini, E, Ghelli, E, Ginestroni, A, Massaro, F, Mechi, C, Paganini, M, Piacentini, S, Pradella, S, Romoli, Am, Sorbi, S, Abbruzzese, G, Bandettini di Poggio, M, Di Maria, E, Ferrandes, G, Mandich, P, Marchese, R, Albanese, A, Di Bella, D, Di Donato, S, Gellera, C, Genitrini, S, Mariotti, C, Nanetti, L, Paridi, D, Soliveri, P, Tomasello, C, De Michele, G, Di Maio, L, Rinaldi, C, Valeria Russo, C, Salvatore, E, Tucci, T, Cannella, M, Codella, V, De Gregorio, F, De Nicola, N, Martino, T, Simonelli, M, Squitieri, F, Catalli, C, Di Giacopo, R, Fasano, A, Frontali, M, Guidubaldi, A, Ialongo, T, Jacopini, G, Loria, G, Modoni, A, Piano, C, Piccininni, C, Quaranta, D, Romano, Silvia, Soleti, F, Spadaro, M, van Hout MS, van Vugt JP, Marit de Weert, A, Bolwijn, Jj, Dekker, M, Leenders, Kl, van Oostrom JC, Dumas, Em, Jurgens, Ck, van den Bogaard SJ, 't Hart EP, Kremer, B, Verstappen, Cc, Aaserud, O, Wehus, R, Bjørgo, K, Fannemel, M, Gørvell, P, Retterstøl, L, Overland, T, Stokke, B, Bjørnevoll, I, Sando, Sb, Sitek, E, Slawek, J, Soltan, W, Boczarska Jedynak, M, Jasinska Myga, B, Opala, G, Kodowska Duda, G, Banaszkiewicz, K, Szczudlik, A, Rudziñska, M, Wójcik, M, Dec, M, Krawczyk, M, Bryl, A, Ciesielska, A, Klimberg, A, Marcinkowski, J, Sempoowicz, J, Samara, H, Janik, P, Kalbarczyk, A, Kwiecinski, H, Jamrozik, Z, Antczak, J, Jachinska, K, Rakowicz, M, Richter, P, Ryglewicz, D, Witkowski, G, Zdzienicka, E, Suek, A, Krysa, W, Guedes, L, Coelho, M, Mendes, T, Valadas, A, Cavaco, S, Damásio, J, Magalhães, M, Gago, M, Garrett, C, Guerra, Mr, Barrero, F, Morales, B, Cubo, E, Mariscal, N, Sánchez, J, Alonso Frech, F, Rabasa Perez, M, Fenollar, M, García, R, Quiroga, Pp, Vázquez Rivera, S, Villanueva, C, Bascuñana, M, Fatás Ventura, M, García Ribas, G, García de Yébenes, J, López Sendón Moreno JL, García Ruíz PJ, José Saiz Artiga, M, Sánchez, V, Noguera Perea, F, Lorenza, F, Torres, Mm, Reinante, G, Vivancos Moreau, L, Barbera, Ma, Badenes Guia, D, Hernanz, Lc, Catena, Jl, Ferrer, Pq, Tome Carruesco, G, Bas, J, Busquets, N, Calopa, M, Dalmau Elorza, M, Díez, C, López, A, Durán, S, Terol, S, Floriach Robert, M, Garzón Ruíz, B, González Casado, A, Haro Martínez, I, Viladrich, Cm, Càrdenas R, Pons i., Roca, E, Llesoy, Jr, Ruiz Idiago JM, Ruíz Vergara, M, Soriano García, S, Villa Riballo, A, Gorospe, A, Legarda, I, Arques, Pn, Torres Rodríguez MJ, Vives, B, Gaston, I, Bosca, M, Burguera, Ja, Garcia, Ac, Pålhagen, Se, Paucar, M, Svenningsson, P, Walldén Reza Soltani, T, Höglund, A, Sandström, B, Høsterey Ugander, U, Fredlund, G, Constantinescu, R, Neleborn Lingefjärd, L, Tedroff, J, Esmaeilzadeh, M, Winnberg, E, Burgunder, Y, Stebler, Y, Kaelin, A, Romero, I, Schüpbach, M, Zaugg, Sw, Jack, R, Matheson, K, Miedzybrodzka, Z, Rae, D, Simpson, S, Summers, F, Ure, A, Crooks, J, Curtis, A, de Souza, J, Rickards, H, Wright, J, Barker, Ra, Di Pietro, A, Fisher, K, Goodman, A, Hill, S, Kershaw, A, Mason, S, Paterson, N, Raymond, L, Bisson, J, Busse, M, Clenaghan, C, Ellison Rose, L, Hunt, S, Price, K, Rosser, A, Edwards, M, Hughes, T, Mcgill, M, Pearson, P, Porteous, M, Smith, P, Zeman, A, Causley, A, Harrower, T, Howcroft, D, Lambord, N, Rankin, J, Brockie, P, Foster, J, Johns, N, Mckenzie, S, Rothery, J, Thomas, G, Yates, S, Miller, J, Ritchie, S, Burrows, L, Fletcher, A, Harding, A, Laver, F, Silva, M, Thomson, A, Barnes, K, Chu, C, Hobson, E, Jamieson, S, Markova, I, Thomson, J, Toscano, J, Wild, S, Yardumian, P, Bourne, C, Clayton, C, Dipple, H, Clapton, J, Grant, J, Gross, D, Hallam, C, Middleton, J, Murch, A, Patino, D, Andrews, T, Dougherty, A, Kavalier, F, Golding, C, Lashwood, A, Robertson, D, Ruddy, D, Whaite, A, Patton, M, Peterson, M, Rose, S, Bruno, S, Chu, E, Doherty, K, Henley, S, Lahiri, N, Novak, M, Patel, A, Read, J, Rosser, E, Say, M, Tabrizi, S, Taylor, R, Warner, T, Wild, E, Arran, N, Callaghan, J, Craufurd, D, Fullam, R, Howard, L, Huson, S, Oughton, E, Partington Jones, L, Snowden, J, Sollom, A, Stopford, C, Thompson, J, Trender Gerhad, I, Verstraelen, N, Westmoreland, L, Nemeth, Ah, Suida, G, Harrison, D, Hughes, M, Parkinson, A, Soltysiak, B, Bandmann, O, Bradbury, A, Gill, P, Fairtlough, H, Fillingham, K, Foustanos, I, Tidswell, K., Kaelin, André, Quarrel O.W., Handley O., O'Donovan K., Dumoulin C., Ramos-Arroyo M., Biunno I., Bauer P., Kline M., Capellari S., Cortelli P., Gallassi R., Landwehrmeyer G.B., European Huntington's Disease Network., Neurology, Clinical sciences, Neuroprotection & Neuromodulation, Quarrell, Ow, Handley, O, O'Donovan, K, Dumoulin, C, Ramos Arroyo, M, Biunno, I, Bauer, P, Kline, M, Landwehrmeyer, Gb, European Huntington's Disease, Network, European Huntington's Disease, N. e. t. w. o. r. k., Rinaldi, Carlo, Salvatore, Elena, and DE MICHELE, Giuseppe
Subjects: medicine.medical_specialty, Concordance, International Cooperation, Diagnostic Errors/statistics & numerical data, Nerve Tissue Proteins, Guidelines as Topic, Bioinformatics, Sensitivity and Specificity, Article, Huntingtin Gene, Huntington's disease, Trinucleotide Repeats, Internal medicine, External quality assessment, Genetics, medicine, Humans, Nerve Tissue Proteins/genetics, Diagnostic laboratory, Genetic Testing, Genetic Testing/methods/standards, Allele, Diagnostic Errors, standard reference material, Genetics (clinical), Alleles, Huntingtin Protein, ddc:618, business.industry, international cooperation, Nuclear Proteins, Reproducibility of Results, Reference Standards, medicine.disease, CAG repeat length, Nuclear Proteins/genetics, Huntington Disease, Huntington Disease/diagnosis, Mutation, Medical genetics, reproducibility of results, mutation, business, Trinucleotide repeat expansion, Huntington Disease/diagnosis/genetics, Genetic Testing/methods
Abstract: Huntington's disease results from a CAG repeat expansion within the Huntingtin gene; this is measured routinely in diagnostic laboratories. The European Huntington's Disease Network REGISTRY project centrally measures CAG repeat lengths on fresh samples; these were compared with the original results from 121 laboratories across 15 countries. We report on 1326 duplicate results; a discrepancy in reporting the upper allele occurred in 51% of cases, this reduced to 13.3% and 9.7% when we applied acceptable measurement errors proposed by the American College of Medical Genetics and the Draft European Best Practice Guidelines, respectively. Duplicate results were available for 1250 lower alleles; discrepancies occurred in 40% of cases. Clinically significant discrepancies occurred in 4.0% of cases with a potential unexplained misdiagnosis rate of 0.3%. There was considerable variation in the discrepancy rate among 10 of the countries participating in this study. Out of 1326 samples, 348 were re-analysed by an accredited diagnostic laboratory, based in Germany, with concordance rates of 93% and 94% for the upper and lower alleles, respectively. This became 100% if the acceptable measurement errors were applied. The central laboratory correctly reported allele sizes for six standard reference samples, blind to the known result. Our study differs from external quality assessment (EQA) schemes in that these are duplicate results obtained from a large sample of patients across the whole diagnostic range. We strongly recommend that laboratories state an error rate for their measurement on the report, participate in EQA schemes and use reference materials regularly to adjust their own internal standards.
Published: 2012

10. Frontotemporal dementia and its subtypes: A genome-wide association study

Author: Yolande A.L. Pijnenburg, Wei Gu, Harro Seelaar, Robert Perneczky, Alfredo Postiglione, Ronald C. Petersen, Timothy D. Griffiths, Pau Pastor, Marc Cruts, Elise G.P. Dopper, Sabrina Pichler, Chiara Fenoglio, Patrizia Rizzu, Adeline Rollin, Maria Serpente, Peter Heutink, Sandro Sorbi, Lauren Bartley, Maria Landqvist Waldö, Luigi Ferrucci, William S. Brooks, Luisa Benussi, William W. Seeley, Maria Anfossi, Atik Baborie, Innocenzo Rainero, Rosa Capozzo, Alessandro Padovani, Stefano F. Cappa, Glenda M. Halliday, Jørgen E. Nielsen, Sara Ortega-Cubero, Vivianna M. Van Deerlin, Ekaterina Rogaeva, Mike A. Nalls, Giacomina Rossi, Alberto Lleó, Edward D. Huey, Jordi Clarimón, Simon Mead, Janine Diehl-Schmid, John Q. Trojanowski, Adaikalavan Ramasamy, Matthias Riemenschneider, John Hardy, Annibale Alessandro Puca, Cristina Razquin, Mercè Boada, Martine Vercelletto, Isabelle Le Ber, Graziella Milan, Johannes Attems, Francesca Frangipane, Jason D. Warren, Lena E. Hjermind, John R. Hodges, Gianluigi Forloni, Dennis W. Dickson, Daniela Galimberti, Elisa Rubino, Karin Nilsson, Raffaele Maletta, Christine Van Broeckhoven, Valeria Novelli, Anna Richardson, Anna Karydas, David S. Knopman, Nick C. Fox, Stuart Pickering-Brown, Carlos Cruchaga, Isabel Hernández, Livia Bernardi, Philip Scheltens, Martin N. Rossor, Julie S. Snowden, Massimo Franceschi, Rosa Rademakers, Bruce L. Miller, Alan J. Thomas, Florence Lebert, Matthew C. Baker, Jonathan D. Rohrer, Keith A. Josephs, Tim Van Langenhove, Fabrizio Tagliavini, Carol Dobson-Stone, Elizabeth Thompson, Silvia Bagnoli, Barbara Borroni, Sara Rollinson, Irene Piaceri, David M. A. Mann, Bernd Ibach, Ian G. McKeith, Agustín Ruiz, Huw R. Morris, Giancarlo Logroscino, Maura Gallo, Elena Alonso, Alexis Brice, Adrian Danek, Paolo Sorrentino, Nicoletta Smirne, Raffaele Ferrari, Panagiotis Alexopoulos, Johannes C. M. Schlachetzki, Alexander Gerhard, Manuel Mayhaus, Alexander Kurz, Amalia C. Bruni, Michael Tierney, Didier Hannequin, William Deschamps, Florence Pasquier, Joseph E. Parisi, Rafael Blesa, Elio Scarpini, Ian R. A. Mackenzie, Peter R. Schofield, Giuliano Binetti, Evelyn Jaros, Julie van der Zee, John Collinge, Maria Elena Conidi, Howard J. Rosen, Caroline Graff, Christer Nilsson, Huei-Hsin Chiang, Nigel J. Cairns, Jordan Grafman, Eric M. Wassermann, Parastoo Momeni, Maria Grazia Spillantini, Ging-Yuek Robin Hsiung, Andrew B. Singleton, Chiara Cupidi, James Uphill, Dimitrios Kapogiannis, Bradley F. Boeve, Christopher Morris, Vincent Deramecourt, Giorgio Giaccone, James B. Rowe, Murray Grossman, Benedetta Nacmias, Roberta Ghidoni, Véronique Golfier, Dena G. Hernandez, Lorenzo Pinessi, Neill R. Graff-Radford, John C. van Swieten, Pietro Pietrini, Gilles Gasparoni, Peter St George-Hyslop, Mark Kristiansen, Eric Haan, Olivier Piguet, John B.J. Kwok, Human genetics, Neurology, NCA - neurodegeneration, Surgery, Clinical Genetics, Erasmus MC other, Ferrari, R, Hernandez, Dg, Nalls, Ma, Rohrer, Jd, Ramasamy, A, Kwok, Jb, Dobson Stone, C, Brooks, W, Schofield, Pr, Halliday, Gm, Hodges, Jr, Piguet, O, Bartley, L, Thompson, E, Haan, E, Hern?ndez, I, Ruiz, A, Boada, M, Borroni, B, Padovani, A, Cruchaga, C, Cairns, Nj, Benussi, L, Binetti, G, Ghidoni, R, Forloni, G, Galimberti, D, Fenoglio, C, Serpente, M, Scarpini, E, Clarim?n, J, Lle?, A, Blesa, R, Wald?, Ml, Nilsson, K, Nilsson, C, Mackenzie, Ir, Hsiung, Gy, Mann, Dm, Grafman, J, Morris, Cm, Attems, J, Griffiths, Td, Mckeith, Ig, Thomas, Aj, Pietrini, P, Huey, Ed, Wassermann, Em, Baborie, A, Jaros, E, Tierney, Mc, Pastor, P, Razquin, C, Ortega Cubero, S, Alonso, E, Perneczky, R, Diehl Schmid, J, Alexopoulos, P, Kurz, A, Rainero, I, Rubino, E, Pinessi, L, Rogaeva, E, St George Hyslop, P, Rossi, G, Tagliavini, F, Giaccone, G, Rowe, Jb, Schlachetzki, Jc, Uphill, J, Collinge, J, Mead, S, Danek, A, Van Deerlin, Vm, Grossman, M, Trojanowski, Jq, van der Zee, J, Deschamps, W, Van Langenhove, T, Cruts, M, Van Broeckhoven, C, Cappa, Sf, Le Ber, I, Hannequin, D, Golfier, V, Vercelletto, M, Brice, A, Nacmias, B, Sorbi, S, Bagnoli, S, Piaceri, I, Nielsen, Je, Hjermind, Le, Riemenschneider, M, Mayhaus, M, Ibach, B, Gasparoni, G, Pichler, S, Gu, W, Rossor, Mn, Fox, Nc, Warren, Jd, Spillantini, Mg, Morris, Hr, Rizzu, P, Heutink, P, Snowden, J, Rollinson, S, Richardson, A, Gerhard, A, Bruni, Ac, Maletta, R, Frangipane, F, Cupidi, C, Bernardi, L, Anfossi, M, Gallo, M, Conidi, Me, Smirne, N, Rademakers, R, Baker, M, Dickson, Dw, Graff Radford, Nr, Petersen, Rc, Knopman, D, Josephs, Ka, Boeve, Bf, Parisi, Je, Seeley, Ww, Miller, Bl, Karydas, Am, Rosen, H, van Swieten, Jc, Dopper, Eg, Seelaar, H, Pijnenburg, Ya, Scheltens, P, Logroscino, G, Capozzo, R, Novelli, V, Puca, Aa, Franceschi, M, Postiglione, Alfredo, Milan, G, Sorrentino, P, Kristiansen, M, Chiang, Hh, Graff, C, Pasquier, F, Rollin, A, Deramecourt, V, Lebert, F, Kapogiannis, D, Ferrucci, L, Pickering Brown, S, Singleton, Ab, Hardy, J, and Momeni, P.
Subjects: Adult, Male, Pathology, medicine.medical_specialty, Genotype, Semantic dementia, Genome-wide association study, Locus (genetics), classification [Frontotemporal Dementia], methods [Genome-Wide Association Study], diagnosis [Frontotemporal Dementia], C9orf72, mental disorders, medicine, Dementia, Humans, ddc:610, genetics [Frontotemporal Dementia], Aged, Genetics, Aged, 80 and over, Genetic heterogeneity, Middle Aged, medicine.disease, Frontotemporal Dementia, Female, Human medicine, Neurology (clinical), Alzheimer's disease, Psychology, Frontotemporal dementia, Genome-Wide Association Study
Abstract: Summary Background Frontotemporal dementia (FTD) is a complex disorder characterised by a broad range of clinical manifestations, differential pathological signatures, and genetic variability. Mutations in three genes— MAPT , GRN , and C9orf72 —have been associated with FTD. We sought to identify novel genetic risk loci associated with the disorder. Methods We did a two-stage genome-wide association study on clinical FTD, analysing samples from 3526 patients with FTD and 9402 healthy controls. To reduce genetic heterogeneity, all participants were of European ancestry. In the discovery phase (samples from 2154 patients with FTD and 4308 controls), we did separate association analyses for each FTD subtype (behavioural variant FTD, semantic dementia, progressive non-fluent aphasia, and FTD overlapping with motor neuron disease [FTD-MND]), followed by a meta-analysis of the entire dataset. We carried forward replication of the novel suggestive loci in an independent sample series (samples from 1372 patients and 5094 controls) and then did joint phase and brain expression and methylation quantitative trait loci analyses for the associated (p −8 ) single-nucleotide polymorphisms. Findings We identified novel associations exceeding the genome-wide significance threshold (p −8 ). Combined (joint) analyses of discovery and replication phases showed genome-wide significant association at 6p21.3, HLA locus (immune system), for rs9268877 (p=1·05 × 10 −8 ; odds ratio=1·204 [95% CI 1·11–1·30]), rs9268856 (p=5·51 × 10 −9 ; 0·809 [0·76–0·86]) and rs1980493 (p value=1·57 × 10 −8 , 0·775 [0·69–0·86]) in the entire cohort. We also identified a potential novel locus at 11q14, encompassing RAB38 / CTSC (the transcripts of which are related to lysosomal biology), for the behavioural FTD subtype for which joint analyses showed suggestive association for rs302668 (p=2·44 × 10 −7 ; 0·814 [0·71–0·92]). Analysis of expression and methylation quantitative trait loci data suggested that these loci might affect expression and methylation in cis . Interpretation Our findings suggest that immune system processes (link to 6p21.3) and possibly lysosomal and autophagy pathways (link to 11q14) are potentially involved in FTD. Our findings need to be replicated to better define the association of the newly identified loci with disease and to shed light on the pathomechanisms contributing to FTD. Funding The National Institute of Neurological Disorders and Stroke and National Institute on Aging, the Wellcome/MRC Centre on Parkinson's disease, Alzheimer's Research UK, and Texas Tech University Health Sciences Center.
Published: 2014
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10 results on '"Hjermind, Le"'

1. A C6orf10/LOC101929163 locus is associated with age of onset in C9orf72 carriers

2. Genetic architecture of sporadic frontotemporal dementia and overlap with Alzheimer’s and Parkinson’s diseases

3. Immune-related genetic enrichment in frontotemporal dementia: An analysis of genome-wide association studies

4. Shared genetic risk between corticobasal degeneration, progressive supranuclear palsy, and frontotemporal dementia

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8. β-Defensin Genomic Copy Number Does Not Influence the Age of Onset in Huntington's Disease

9. Discrepancies in reporting the CAG repeat lengths for Huntington's disease

10. Frontotemporal dementia and its subtypes: A genome-wide association study

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