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1. Genome-wide analyses reveal a potential role for the MAPT, MOBP, and APOE loci in sporadic frontotemporal dementia

Author

Manzoni, Claudia, Kia, Demis A., Ferrari, Raffaele, Leonenko, Ganna, Costa, Beatrice, Saba, Valentina, Jabbari, Edwin, Tan, Manuela MX., Albani, Diego, Alvarez, Victoria, Alvarez, Ignacio, Andreassen, Ole A., Angiolillo, Antonella, Arighi, Andrea, Baker, Matt, Benussi, Luisa, Bessi, Valentina, Binetti, Giuliano, Blackburn, Daniel J., Boada, Merce, Boeve, Bradley F., Borrego-Ecija, Sergi, Borroni, Barbara, Bråthen, Geir, Brooks, William S., Bruni, Amalia C., Caroppo, Paola, Bandres-Ciga, Sara, Clarimon, Jordi, Colao, Rosanna, Cruchaga, Carlos, Danek, Adrian, de Boer, Sterre CM., de Rojas, Itziar, di Costanzo, Alfonso, Dickson, Dennis W., Diehl-Schmid, Janine, Dobson-Stone, Carol, Dols-Icardo, Oriol, Donizetti, Aldo, Dopper, Elise, Durante, Elisabetta, Ferrari, Camilla, Forloni, Gianluigi, Frangipane, Francesca, Fratiglioni, Laura, Kramberger, Milica G., Galimberti, Daniela, Gallucci, Maurizio, García-González, Pablo, Ghidoni, Roberta, Giaccone, Giorgio, Graff, Caroline, Graff-Radford, Neill R., Grafman, Jordan, Halliday, Glenda M., Hernandez, Dena G., Hjermind, Lena E., Hodges, John R., Holloway, Guy, Huey, Edward D., Illán-Gala, Ignacio, Josephs, Keith A., Knopman, David S., Kristiansen, Mark, Kwok, John B., Leber, Isabelle, Leonard, Hampton L., Libri, Ilenia, Lleo, Alberto, Mackenzie, Ian R., Madhan, Gaganjit K., Maletta, Raffaele, Marquié, Marta, Maver, Ales, Menendez-Gonzalez, Manuel, Milan, Graziella, Miller, Bruce L., Morris, Christopher M., Morris, Huw R., Nacmias, Benedetta, Newton, Judith, Nielsen, Jørgen E., Nilsson, Christer, Novelli, Valeria, Padovani, Alessandro, Pal, Suvankar, Pasquier, Florence, Pastor, Pau, Perneczky, Robert, Peterlin, Borut, Petersen, Ronald C., Piguet, Olivier, Pijnenburg, Yolande AL., Puca, Annibale A., Rademakers, Rosa, Rainero, Innocenzo, Reus, Lianne M., Richardson, Anna MT., Riemenschneider, Matthias, Rogaeva, Ekaterina, Rogelj, Boris, Rollinson, Sara, Rosen, Howard, Rossi, Giacomina, Rowe, James B., Rubino, Elisa, Ruiz, Agustin, Salvi, Erika, Sanchez-Valle, Raquel, Sando, Sigrid Botne, Santillo, Alexander F., Saxon, Jennifer A., Schlachetzki, Johannes CM., Scholz, Sonja W., Seelaar, Harro, Seeley, William W., Serpente, Maria, Sorbi, Sandro, Sordon, Sabrina, St George-Hyslop, Peter, Thompson, Jennifer C., Van Broeckhoven, Christine, Van Deerlin, Vivianna M., Van der Lee, Sven J., Van Swieten, John, Tagliavini, Fabrizio, van der Zee, Julie, Veronesi, Arianna, Vitale, Emilia, Waldo, Maria Landqvist, Yokoyama, Jennifer S., Nalls, Mike A., Momeni, Parastoo, Singleton, Andrew B., Hardy, John, and Escott-Price, Valentina

Published
2024
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2. Prioritization of Drug Targets for Neurodegenerative Diseases by Integrating Genetic and Proteomic Data From Brain and Blood

Author

Ferrari, Raffaele, Hernandez, Dena G., Nalls, Michael A., Rohrer, Jonathan D., Ramasamy, Adaikalavan, Kwok, John B.J., Dobson-Stone, Carol, Brooks, William S., Schofield, Peter R., Halliday, Glenda M., Hodges, John R., Piguet, Olivier, Bartley, Lauren, Thompson, Elizabeth, Haan, Eric, Hernández, Isabel, Ruiz, Agustín, Boada, Mercè, Borroni, Barbara, Padovani, Alessandro, Cruchaga, Carlos, Cairns, Nigel J., Benussi, Luisa, Binetti, Giuliano, Ghidoni, Roberta, Forloni, Gianluigi, Galimberti, Daniela, Fenoglio, Chiara, Serpente, Maria, Scarpini, Elio, Clarimón, Jordi, Lleó, Alberto, Blesa, Rafael, Waldö, Maria Landqvist, Nilsson, Karin, Nilsson, Christer, Mackenzie, Ian R.A., Hsiung, Ging-Yuek R., Mann, David M.A., Grafman, Jordan, Morris, Christopher M., Attems, Johannes, Griffiths, Timothy D., McKeith, Ian G., Thomas, Alan J., Pietrini, P., Huey, Edward D., Wassermann, Eric M., Baborie, Atik, Jaros, Evelyn, Tierney, Michael C., Pastor, Pau, Razquin, Cristina, Ortega-Cubero, Sara, Alonso, Elena, Perneczky, Robert, Diehl-Schmid, Janine, Alexopoulos, Panagiotis, Kurz, Alexander, Rainero, Innocenzo, Rubino, Elisa, Pinessi, Lorenzo, Rogaeva, Ekaterina, St. George-Hyslop, Peter, Rossi, Giacomina, Tagliavini, Fabrizio, Giaccone, Giorgio, Rowe, James B., Schlachetzki, Johannes C.M., Uphill, James, Collinge, John, Mead, Simon, Danek, Adrian, Van Deerlin, Vivianna M., Grossman, Murray, Trojanowski, John Q., van der Zee, Julie, Deschamps, William, Van Langenhove, Tim, Cruts, Marc, Van Broeckhoven, Christine, Cappa, Stefano F., Le Ber, Isabelle, Hannequin, Didier, Golfier, Véronique, Vercelletto, Martine, Brice, Alexis, Nacmias, Benedetta, Sorbi, Sandro, Bagnoli, Silvia, Piaceri, Irene, Nielsen, Jørgen E., Hjermind, Lena E., Riemenschneider, Matthias, Mayhaus, Manuel, Ibach, Bernd, Gasparoni, Gilles, Pichler, Sabrina, Gu, Wei, Rossor, Martin N., Fox, Nick C., Warren, Jason D., Spillantini, Maria Grazia, Morris, Huw R., Rizzu, Patrizia, Heutink, Peter, Snowden, Julie S., Rollinson, Sara, Richardson, Anna, Gerhard, Alexander, Bruni, Amalia C., Maletta, Raffaele, Frangipane, Francesca, Cupidi, Chiara, Bernardi, Livia, Anfossi, Maria, Gallo, Maura, Conidi, Maria Elena, Smirne, Nicoletta, Rademakers, Rosa, Baker, Matt, Dickson, Dennis W., Graff-Radford, Neill R., Petersen, Ronald C., Knopman, David, Josephs, Keith A., Boeve, Bradley F., Parisi, Joseph E., Seeley, William W., Miller, Bruce L., Karydas, Anna M., Rosen, Howard, van Swieten, John C., Dopper, Elise G.P., Seelaar, Harro, Pijnenburg, Yolande A.L., Scheltens, Philip, Logroscino, Giancarlo, Capozzo, Rosa, Novelli, Valeria, Puca, Annibale A., Franceschi, Massimo, Postiglione, Alfredo, Milan, Graziella, Sorrentino, Paolo, Kristiansen, Mark, Chiang, Huei-Hsin, Graff, Caroline, Pasquier, Florence, Rollin, Adeline, Deramecourt, Vincent, Lebert, Florence, Kapogiannis, Dimitrios, Ferrucci, Luigi, Pickering-Brown, Stuart, Singleton, Andrew B., Hardy, John, Momeni, Parastoo, Ge, Yi-Jun, Ou, Ya-Nan, Deng, Yue-Ting, Wu, Bang-Sheng, Yang, Liu, Zhang, Ya-Ru, Chen, Shi-Dong, Huang, Yu-Yuan, Dong, Qiang, Tan, Lan, and Yu, Jin-Tai

Published
2023
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4. Pharmacotherapy for behavioural manifestations in frontotemporal dementia: An expert consensus from the European Reference Network for Rare Neurological Diseases (ERN‐RND).

Author

Wittebrood, Casper, Boban, Marina, Cagnin, Annchiara, Capellari, Sabina, De Winter, François‐Laurent, Djamshidian, Atbin, González, Manuel Menéndez, Hjermind, Lena E., Krajcovicova, Lenka, Krüger, Johanna, Levin, Johannes, Reetz, Kathrin, Rodriguez, Eloy Rodriguez, Rohrer, Jonathan, Van Langenhove, Tim, Reinhard, Carola, Graessner, Holm, Rusina, Robert, Saracino, Dario, and Houot, Marion

Subjects
MEDICAL personnel, SEROTONIN uptake inhibitors, FRONTOTEMPORAL dementia, DRUG therapy, NEUROLOGICAL disorders
Abstract

Background and Purpose: Frontotemporal dementia (FTD) is a neurodegenerative disorder characterized by pervasive personality and behavioural disturbances with severe impact on patients and caregivers. In current clinical practice, treatment is based on nonpharmacological and pharmacological approaches. Unfortunately, trial‐based evidence supporting symptomatic pharmacological treatment for the behavioural disturbances in FTD is scarce despite the significant burden this poses on the patients and caregivers. Method: The study examined drug management decisions for several behavioural disturbances in patients with FTD by 21 experts across European expert centres affiliated with the European Reference Network for Rare Neurological Diseases (ERN‐RND). Results: The study revealed the highest consensus on drug treatments for physical and verbal aggression, impulsivity and obsessive delusions. Antipsychotics (primarily quetiapine) were recommended for behaviours posing safety risks to both patients and caregivers (aggression, self‐injury and self‐harm) and nightly unrest. Selective serotonin reuptake inhibitors were recommended for perseverative somatic complaints, rigidity of thought, hyperphagia, loss of empathy and for impulsivity. Trazodone was specifically recommended for motor unrest, mirtazapine for nightly unrest, and bupropion and methylphenidate for apathy. Additionally, bupropion was strongly advised against in 10 out of the 14 behavioural symptoms, emphasizing a clear recommendation against its use in the majority of cases. Conclusions: The survey data can provide expert guidance that is helpful for healthcare professionals involved in the treatment of behavioural symptoms. Additionally, they offer insights that may inform prioritization and design of therapeutic studies, particularly for existing drugs targeting behavioural disturbances in FTD. [ABSTRACT FROM AUTHOR]

Published
2024
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5. Gene Expression Imputation Across Multiple Tissue Types Provides Insight Into the Genetic Architecture of Frontotemporal Dementia and Its Clinical Subtypes

Author

Ferrari, Raffaele, Hernandez, Dena G., Nalls, Michael A., Rohrer, Jonathan D., Ramasamy, Adaikalavan, Kwok, John B.J., Dobson-Stone, Carol, Brooks, William S., Schofield, Peter R., Halliday, Glenda M., Hodges, John R., Piguet, Olivier, Bartley, Lauren, Thompson, Elizabeth, Hernández, Isabel, Ruiz, Agustín, Boada, Mercè, Borroni, Barbara, Padovani, Alessandro, Cruchaga, Carlos, Cairns, Nigel J., Benussi, Luisa, Binetti, Giuliano, Ghidoni, Roberta, Forloni, Gianluigi, Galimberti, Daniela, Fenoglio, Chiara, Serpente, Maria, Scarpini, Elio, Clarimón, Jordi, Lleó, Alberto, Blesa, Rafael, Waldö, Maria Landqvist, Nilsson, Karin, Nilsson, Christer, Mackenzie, Ian R.A., Hsiung, Ging-Yuek R., Mann, David M.A., Grafman, Jordan, Morris, Christopher M., Attems, Johannes, Griffiths, Timothy D., McKeith, Ian G., Thomas, Alan J., Pietrini, Pietro, Huey, Edward D., Wassermann, Eric M., Baborie, Atik, Jaros, Evelyn, Tierney, Michael C., Pastor, Pau, Razquin, Cristina, Ortega-Cubero, Sara, Alonso, Elena, Perneczky, Robert, Diehl-Schmid, Janine, Alexopoulos, Panagiotis, Kurz, Alexander, Rainero, Innocenzo, Rubino, Elisa, Pinessi, Lorenzo, Rogaeva, Ekaterina, St. George-Hyslop, Peter, Rossi, Giacomina, Tagliavini, Fabrizio, Giaccone, Giorgio, Rowe, James B., Schlachetzki, Johannes C.M., Uphill, James, Collinge, John, Mead, Simon, Danek, Adrian, Van Deerlin, Vivianna M., Grossman, Murray, Trojanowski, John Q., van der Zee, Julie, Van Broeckhoven, Christine, Cappa, Stefano F., Le Ber, Isabelle, Hannequin, Didier, Golfier, Véronique, Vercelletto, Martine, Brice, Alexis, Nacmias, Benedetta, Sorbi, Sandro, Bagnoli, Silvia, Piaceri, Irene, Nielsen, Jørgen E., Hjermind, Lena E., Riemenschneider, Matthias, Mayhaus, Manuel, Ibach, Bernd, Gasparoni, Gilles, Pichler, Sabrina, Gu, Wei, Rossor, Martin N., Fox, Nick C., Warren, Jason D., Spillantini, Maria Grazia, Morris, Huw R., Rizzu, Patrizia, Heutink, Peter, Snowden, Julie S., Rollinson, Sara, Richardson, Anna, Gerhard, Alexander, Bruni, Amalia C., Maletta, Raffaele, Frangipane, Francesca, Cupidi, Chiara, Bernardi, Livia, Anfossi, Maria, Gallo, Maura, Conidi, Maria Elena, Smirne, Nicoletta, Rademakers, Rosa, Baker, Matt, Dickson, Dennis W., Graff-Radford, Neill R., Petersen, Ronald C., Knopman, David, Josephs, Keith A., Boeve, Bradley F., Parisi, Joseph E., Seeley, William W., Miller, Bruce L., Karydas, Anna M., Rosen, Howard, van Swieten, John C., Dopper, Elise G.P., Seelaar, Harro, Pijnenburg, Yolande A.L., Scheltens, Philip, Logroscino, Giancarlo, Capozzo, Rosa, Novelli, Valeria, Puca, Annibale A., Franceschi, Massimo, Postiglione, Alfredo, Milan, Graziella, Sorrentino, Paolo, Kristiansen, Mark, Chiang, Huei-Hsin, Graff, Caroline, Pasquier, Florence, Rollin, Adeline, Deramecourt, Vincent, Lebert, Florence, Kapogiannis, Dimitrios, Ferrucci, Luigi, Pickering-Brown, Stuart, Singleton, Andrew B., Hardy, John, Momeni, Parastoo, Reus, Lianne M., Pasaniuc, Bogdan, Posthuma, Danielle, Boltz, Toni, and Ophoff, Roel A.

Published
2021
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6. Impairments of social cognition significantly predict the progression of functional decline in Huntington's disease: A 6-year follow-up study.

Author

Hendel, Rebecca K., Hellem, Marie N. N., Larsen, Ida U., Vinther-Jensen, Tua, Hjermind, Lena E., Nielsen, Jørgen E., and Vogel, Asmus

Subjects
HUNTINGTON disease, SOCIAL perception, EXECUTIVE function, COGNITION, REFERENCE values
Abstract

This study sought to investigate if there was a significant difference between the Huntington's Disease gene expansion carriers who were impaired on the cognitive domains, social cognition and executive functions. Also, it was investigated which of the cognitive domains could predict the decrease in total functional capacity over a 6-year follow-up period. Premanifest and motor-manifest Huntington's Disease gene expansion carriers (N = 98), were examined with a neurological and neuropsychological examination at Time 1 (year 2012–2013). Regression-based normative data was used to classify impairments on the two cognitive domains. Follow-up participants (N = 80) had their functional capacity reexamined at Time 2 (year 2018–2020), to examine which cognitive domain could predict the decrease in functional capacity over the 6-year follow-up. More than 50% of the participants were impaired on the domain of social cognition. These participants were significantly different from the participants who were impaired on executive functions. The motor function and impairments on social cognition significantly predicted the decline in functional capacity. The Emotion Hexagon test was the only significant social cognitive task, that predicted the decline in functional capacity. Social cognition includes unique and separate functions in Huntington's Disease, unaffected by executive functions. This study emphasizes the importance of regular assessment of social cognition in Huntington's Disease and the clinical relevance of impaired social cognitive function. [ABSTRACT FROM AUTHOR]

Published
2024
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10. Identification of genetic variants associated with Huntington's disease progression: a genome-wide association study

Author

Coleman, A, Santos, R Dar, Decolongon, J, Sturrock, A, Bardinet, E, Ret, C Jauff, Justo, D, Lehericy, S, Marelli, C, Nigaud, K, Valabrègue, R, van den Bogaard, SJA, Dumas, E M, van der Grond, J, t'Hart, EP, Jurgens, C, Witjes-Ane, M-N, Arran, N, Callaghan, J, Stopford, C, Frost, C, Jones, R, Hobbs, N, Lahiri, N, Ordidge, R, Owen, G, Pepple, T, Read, J, Say, M, Wild, E, Patel, A, Fox, N C, Gibbard, C, Malone, I, Crawford, H, Whitehead, D, Keenan, S, Cash, D M, Berna, C, Bechtel, N, Bohlen, S, Man, A Hoff, Kraus, P, Axelson, E, Wang, C, Acharya, T, Lee, S, Monaco, W, Campbell, C, Queller, S, Whitlock, K, Campbell, M, Frajman, E, Milchman, C, O'Regan, A, Labuschagne, I, Stout, J, Landwehrmeyer, B, Craufurd, D, Scahill, R, Hicks, S, Kennard, C, Johnson, H, Tobin, A, Rosas, HD, Reilmann, R, Borowsky, B, Pourchot, C, Andrews, S C, Bachoud-Lévi, Anne-Catherine, Bentivoglio, Anna Rita, Biunno, Ida, Bonelli, Raphael, Burgunder, Jean-Marc, Dunnett, Stephen, Ferreira, Joaquim, Handley, Olivia, Heiberg, Arvid, Illmann, Torsten, Landwehrmeyer, G. Bernhard, Levey, Jamie, Ramos-Arroyo, Maria A., Nielsen, Jørgen, Koivisto, Susana Pro, Päivärinta, Markku, Roos, Raymund A.C., Sebastián, A Rojo, Tabrizi, Sarah, Vandenberghe, Wim, Verellen-Dumoulin, Christine, Uhrova, Tereza, Wahlström, Jan, Zaremba, Jacek, Baake, Verena, Barth, Katrin, Garde, Monica Bascuñana, Betz, Sabrina, Bos, Reineke, Callaghan, Jenny, Come, Adrien, Guedes, Leonor Correia, Ecker, Daniel, Finisterra, Ana Maria, Fullam, Ruth, Gilling, Mette, Gustafsson, Lena, Handley, Olivia J, Hvalstedt, Carina, Held, Christine, Koppers, Kerstin, Lamanna, Claudia, Laurà, Matilde, Descals, Asunción Martínez, Martinez-Horta, Saül, Mestre, Tiago, Minster, Sara, Monza, Daniela, Mütze, Lisanne, Oehmen, Martin, Orth, Michael, Padieu, Hélène, Paterski, Laurent, Peppa, Nadia, Di Renzo, Martina, Rialland, Amandine, Røren, Niini, Šašinková, Pavla, Timewell, Erika, Townhill, Jenny, Cubillo, Patricia Trigo, da Silva, Wildson Vieira, van Walsem, Marleen R, Whalstedt, Carina, Witjes-Ané, Marie-Noelle, Witkowski, Grzegorz, Wright, Abigail, Zielonka, Daniel, Zielonka, Eugeniusz, Zinzi, Paola, Bonelli, Raphael M., Lilek, Sabine, Hecht, Karen, Herranhof, Brigitte, Holl, Anna, Kapfhammer, Hans-Peter, Koppitz, Michael, Magnet, Markus, Müller, Nicole, Otti, Daniela, Painold, Annamaria, Reisinger, Karin, Scheibl, Monika, Schöggl, Helmut, Ullah, Jasmin, Braunwarth, Eva-Maria, Brugger, Florian, Buratti, Lisa, Hametner, Eva-Maria, Hepperger, Caroline, Holas, Christiane, Hotter, Anna, Hussl, Anna, Müller, Christoph, Poewe, Werner, Seppi, Klaus, Sprenger, Fabienne, Wenning, Gregor, Boogaerts, Andrea, Calmeyn, Godelinde, Delvaux, Isabelle, Liessens, Dirk, Somers, Nele, Dupuit, Michel, Minet, Cécile, van Paemel, Dominique, Ribaï, Pascale, van Reijen, Dimphna, Klempír, Jirí, Majerová, Veronika, Roth, Jan, Stárková, Irena, Hjermind, Lena E., Jacobsen, Oda, Nielsen, Jørgen E., Larsen, Ida Unmack, Vinther-Jensen, Tua, Hiivola, Heli, Hyppönen, Hannele, Martikainen, Kirsti, Tuuha, Katri, Allain, Philippe, Bonneau, Dominique, Bost, Marie, Gohier, Bénédicte, Guérid, Marie-Anne, Olivier, Audrey, Prundean, Adriana, Scherer-Gagou, Clarisse, Verny, Christophe, Babiloni, Blandine, Debruxelles, Sabrina, Duché, Charlotte, Goizet, Cyril, Jameau, Laetitia, Lafoucrière, Danielle, Spampinato, Umberto, Barthélémy, Rekha, De Bruycker, Christelle, Carette, Maryline Cabaret Anne-Sophie, Defebvre, Eric Decorte Luc, Delliaux, Marie, Delval, Arnaud, Destee, Alain, Dujardin, Kathy, Lemaire, Marie-Hélène, Manouvrier, Sylvie, Peter, Mireille, Plomhouse, Lucie, Sablonnière, Bernard, Simonin, Clémence, Thibault-Tanchou, Stéphanie, Vuillaume, Isabelle, Bellonet, Marcellin, Berrissoul, Hassan, Blin, Stéphanie, Courtin, Françoise, Duru, Cécile, Fasquel, Véronique, Godefroy, Olivier, Krystkowiak, Pierre, Mantaux, Béatrice, Roussel, Martine, Wannepain, Sandrine, Azulay, Jean-Philippe, Delfini, Marie, Eusebio, Alexandre, Fluchere, Frédérique, Mundler, Laura, Anheim, Mathieu, Julié, Celine, Boukbiza, Ouhaid Lagha, Longato, Nadine, Rudolf, Gabrielle, Tranchant, Christine, Zimmermann, Marie-Agathe, Kosinski, Christoph Michael, Milkereit, Eva, Probst, Daniela, Reetz, Kathrin, Sass, Christian, Schiefer, Johannes, Schlangen, Christiane, Werner, Cornelius J., Gelderblom, Harald, Priller, Josef, Prüß, Harald, Spruth, Eike Jakob, Ellrichmann, Gisa, Herrmann, Lennard, Hoffmann, Rainer, Kaminski, Barbara, Kotz, Peter, Prehn, Christian, Saft, Carsten, Lange, Herwig, Maiwald, Robert, Löhle, Matthias, Maass, Antonia, Schmidt, Simone, Bosredon, Cecile, Storch, Alexander, Wolz, Annett, Wolz, Martin, Capetian, Philipp, Lambeck, Johann, Zucker, Birgit, Boelmans, Kai, Ganos, Christos, Heinicke, Walburgis, Hidding, Ute, Lewerenz, Jan, Münchau, Alexander, Schmalfeld, Jenny, Stubbe, Lars, Zittel, Simone, Diercks, Gabriele, Dressler, Dirk, Gorzolla, Heike, Schrader, Christoph, Tacik, Pawel, Ribbat, Michael, Longinus, Bernhard, Bürk, Katrin, Möller, Jens Carsten, Rissling, Ida, Mühlau, Mark, Peinemann, Alexander, Städtler, Michael, Weindl, Adolf, Winkelmann, Juliane, Ziegler, Cornelia, Bechtel, Natalie, Beckmann, Heike, Bohlen, Stefan, Hölzner, Eva, Reilmann, Ralf, Rohm, Stefanie, Rumpf, Silke, Schepers, Sigrun, Weber, Natalia, Dose, Matthias, Leythäuser, Gabriele, Marquard, Ralf, Raab, Tina, Wiedemann, Alexandra, Buck, Andrea, Connemann, Julia, Geitner, Carolin, Kesse, Andrea, Landwehrmeyer, Bernhard, Lang, Christina, Lezius, Franziska, Nepper, Solveig, Niess, Anke, Schneider, Ariane, Schwenk, Daniela, Süßmuth, Sigurd, Trautmann, Sonja, Weydt, Patrick, Cormio, Claudia, Sciruicchio, Vittorio, Serpino, Claudia, de Tommaso, Marina, Capellari, Sabina, Cortelli, Pietro, Galassi, Roberto, Rizzo, Giovanni, Poda, Roberto, Scaglione, Cesa, Bertini, Elisabetta, Ghelli, Elena, Ginestroni, Andrea, Massaro, Francesca, Mechi, Claudia, Paganini, Marco, Piacentini, Silvia, Pradella, Silvia, Romoli, Anna Maria, Sorbi, Sandro, Abbruzzese, Giovanni, di Poggio, Monica Bandettini, Ferrandes, Giovanna, Mandich, Paola, Marchese, Roberta, Albanese, Alberto, Di Bella, Daniela, Castaldo, Anna, Di Donato, Stefano, Gellera, Cinzia, Genitrini, Silvia, Mariotti, Caterina, Nanetti, Lorenzo, Paridi, Dominga, Soliveri, Paola, Tomasello, Chiara, De Michele, Giuseppe, Di Maio, Luigi, Massarelli, Marco, Peluso, Silvio, Roca, Alessandro, Russo, Cinzia Valeria, Salvatore, Elena, Sorrentino, Pierpaolo, Amico, Enrico, Favellato, Mariagrazia, Griguoli, Annamaria, Mazzante, Irene, Petrollini, Martina, Squitieri, Ferdinando, D'Alessio, Barbara, Esposito, Chiara, Bentivoglio, Rita, Frontali, Marina, Guidubaldi, Arianna, Ialongo, Tamara, Jacopini, Gioia, Piano, Carla, Romano, Silvia, Soleti, Francesco, Spadaro, Maria, van Hout, Monique S.E., Verhoeven, Marloes E., van Vugt, Jeroen P.P., de Weert, A. Marit, Bolwijn, J.J.W., Dekker, M., Kremer, B., Leenders, K.L., van Oostrom, J.C.H., van den Bogaard, Simon J.A., Dumas, Eve M., 't Hart, Ellen P., Kremer, Berry, Verstappen, C.C.P., Aaserud, Olaf, C, Jan Frich, Wehus, Ragnhild, Bjørgo, Kathrine, Fannemel, Madeleine, Gørvell, Per F., Lorentzen, Eirin, Retterstøl, Lars, Stokke, Bodil, Bjørnevoll, Inga, Sando, Sigrid Botne, Dziadkiewicz, Artur, Nowak, Malgorzata, Robowski, Piotr, Sitek, Emilia, Slawek, Jaroslaw, Soltan, Witold, Szinwelski, Michal, Blaszcyk, Magdalena, Boczarska-Jedynak, Magdalena, Ciach-Wysocka, Ewelina, Gorzkowska, Agnieszka, Jasinska-Myga, Barbara, Klodowska-Duda, Gabriela, Opala, Gregorz, Stompel, Daniel, Banaszkiewicz, Krzysztof, Bocwinska, Dorota, Bojakowska-Jaremek, Kamila, Dec, Malgorzata, Krawczyk, Malgorzata, Rudzinska, Monika, Szczygiel, Elzbieta, Szczudlik, Andrzej, Wasielewska, Anna, Wójcik, Magdalena, Bryl, Anna, Ciesielska, Anna, Klimberg, Aneta, Marcinkowski, Jerzy, Samara, Husam, Sempolowicz, Justyna, Gogol, Anna, Janik, Piotr, Kwiecinski, Hubert, Jamrozik, Zygmunt, Antczak, Jakub, Jachinska, Katarzyna, Krysa, Wioletta, Rakowicz, Maryla, Richter, Przemyslaw, Rola, Rafal, Ryglewicz, Danuta, Sienkiewicz-Jarosz, Halina, Stepniak, Iwona, Sulek, Anna, Zdzienicka, Elzbieta, Zieora-Jakutowicz, Karolina, Ferreira, Joaquim J, Coelho, Miguel, Mendes, Tiago, Valadas, Anabela, Andrade, Carlos, Gago, Miguel, Garrett, Carolina, Guerra, Maria Rosália, Herrera, Carmen Durán, Garcia, Patrocinio Moreno, Barbera, Miquel Aguilar, Guia, Dolors Badenes, Hernanz, Laura Casas, Catena, Judit López, Ferrer, Pilar Quiléz, Sebastián, Ana Rojo, Carruesco, Gemma Tome, Bas, Jordi, Busquets, Núria, Calopa, Matilde, Robert, Misericordia Floriach, Viladrich, Celia Mareca, Idiago, Jesús Miguel Ruiz, Riballo, Antonio Villa, Cubo, Esther, Polo, Cecilia Gil, Mariscal, Natividad, Rivadeneyra, Perez Jessica, Barrero, Francisco, Morales, Blas, Fenollar, María, García, Rocío García-Ramos, Ortega, Paloma, Villanueva, Clara, Alegre, Javier, Bascuñana, Mónica, Caldentey, Juan Garcia, Ventura, Marta Fatás, Ribas, Guillermo García, de Yébenes, Justo García, Moreno, José Luis López-Sendón, Frech, Fernando Alonso, Ruíz, Pedro J García, Martínez-Descals, Asunción, Guerrero, Rosa, Artiga, María José Saiz, Sánchez, Vicenta, Perea, María Fuensanta Noguera, Fortuna, Lorenza, Manzanares, Salvadora, Reinante, Gema, Torres, María Martirio Antequera, Moreau, Laura Vivancos, González González, Sonia, Guisasola, Luis Menéndez, Salvador, Carlos, Martín, Esther Suaréz San, Ramirez, Inés Legarda, Gorospe, Aranzazú, Lopera, Mónica Rodriguez, Arques, Penelope Navas, Rodríguez, María José Torres, Pastor, Barbara Vives, Gaston, Itziar, Martinez-Jaurrieta, Maria Dolores, Moreno, Jose Manuel Garcia, Lucena, Carolina Mendez, Damas, Fatima, Cortegana, Hermoso Eva Pacheco, Peña, José Chacón, Redondo, Luis, Carrillo, Fátima, Teresa Cáceres, María, Mir, Pablo, Suarez, María José Lama, Vargas-González, Laura, Bosca, Maria E., Brugada, Francisco Castera, Burguera, Juan Andres, Campos, Anabel, Vilaplana, Garcia Carmen Peiró, Berglund, Peter, Constantinescu, Radu, Fredlund, Gunnel, Høsterey-Ugander, Ulrika, Linnsand, Petra, Neleborn-Lingefjärd, Liselotte, Wentzel, Magnus, Loutfi, Ghada, Olofsson, Carina, Stattin, Eva-Lena, Westman, Laila, Wikström, Birgitta, Stebler, Yanik, Kaelin, Alain, Romero, Irene, Schüpbach, Michael, Weber Zaugg, Sabine, Hauer, Maria, Gonzenbach, Roman, Jung, Hans H., Mihaylova, Violeta, Petersen, Jens, Jack, Roisin, Matheson, Kirsty, Miedzybrodzka, Zosia, Rae, Daniela, Simpson, Sheila A, Summers, Fiona, Ure, Alexandra, Vaughan, Vivien, Akhtar, Shahbana, Crooks, Jenny, Curtis, Adrienne, de Souza, Jenny, Piedad, John, Rickards, Hugh, Wright, Jan, Coulthard, Elizabeth, Gethin, Louise, Hayward, Beverley, Sieradzan, Kasia, Armstrong, Matthew, Barker, Roger A., O'Keefe, Deidre, Di Pietro, Anna, Fisher, Kate, Goodman, Anna, Hill, Susan, Kershaw, Ann, Mason, Sarah, Paterson, Nicole, Raymond, Lucy, Swain, Rachel, Guzman, Natalie Valle, Busse, Monica, Butcher, Cynthia, Clenaghan, Catherine, Hunt, Sarah, Jones, Lesley, Jones, Una, Khalil, Hanan, Owen, Michael, Price, Kathleen, Rosser, Anne, Edwards, Maureen, Ho, Carrie, Hughes, Teresa, McGill, Marie, Pearson, Pauline, Porteous, Mary, Smith, Paul, Brockie, Peter, Foster, Jillian, Johns, Nicola, McKenzie, Sue, Rothery, Jean, Thomas, Gareth, Yates, Shona, Burrows, Liz, Chu, Carol, Fletcher, Amy, Gallantrae, Deena, Hamer, Stephanie, Harding, Alison, Klöppel, Stefan, Kraus, Alison, Laver, Fiona, Lewis, Monica, Longthorpe, Mandy, Markova, Ivana, Raman, Ashok, Robertson, Nicola, Silva, Mark, Thomson, Aileen, Wild, Sue, Yardumian, Pam, Evans, Carole, Gallentrae, Deena, Hobson, Emma, Jamieson, Stuart, Musgrave, Hannah, Rowett, Liz, Toscano, Jean, Bourne, Colin, Clapton, Jackie, Clayton, Carole, Dipple, Heather, Freire-Patino, Dawn, Grant, Janet, Gross, Diana, Hallam, Caroline, Middleton, Julia, Murch, Ann, Thompson, Catherine, Alusi, Sundus, Davies, Rhys, Foy, Kevin, Gerrans, Emily, Pate, Louise, Andrews, Thomasin, Dougherty, Andrew, Golding, Charlotte, Kavalier, Fred, Laing, Hana, Lashwood, Alison, Robertson, Dene, Ruddy, Deborah, Santhouse, Alastair, Whaite, Anna, Bruno, Stefania, Doherty, Karen, Haider, Salman, Hensman, Davina, Lahiri, Nayana, Novak, Marianne, Patel, Aakta, Rosser, Elisabeth, Taylor, Rachel, Warner, Thomas, Wild, Edward, Arran, Natalie, Bek, Judith, Craufurd, David, Hare, Marianne, Howard, Liz, Huson, Susan, Johnson, Liz, Jones, Mary, Murphy, Helen, Oughton, Emma, Partington-Jones, Lucy, Rogers, Dawn, Sollom, Andrea, Snowden, Julie, Stopford, Cheryl, Thompson, Jennifer, Trender-Gerhard, Iris, Verstraelen, Nichola, Westmoreland, Leann, Armstrong, Richard, Dixon, Kathryn, Nemeth, Andrea H, Siuda, Gill, Valentine, Ruth, Harrison, David, Hughes, Max, Parkinson, Andrew, Soltysiak, Beverley, Bandmann, Oliver, Bradbury, Alyson, Gill, Paul, Fairtlough, Helen, Fillingham, Kay, Foustanos, Isabella, Kazoka, Mbombe, O'Donovan, Kirsty, Taylor, Cat, Tidswell, Katherine, Quarrell, Oliver, Lau, Puay Ngoh, Pica, Emmanul, Tan, Louis, Moss, Davina J Hensman, Pardiñas, Antonio F, Langbehn, Douglas, Lo, Kitty, Leavitt, Blair R, Roos, Raymund, Durr, Alexandra, Mead, Simon, Holmans, Peter, and Tabrizi, Sarah J

Published
2017
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13. Frontotemporal dementia and its subtypes: a genome-wide association study

Author

Ferrari, Raffaele, Hernandez, Dena G, Nalls, Michael A, Rohrer, Jonathan D, Ramasamy, Adaikalavan, Kwok, John B J, Dobson-Stone, Carol, Brooks, William S, Schofield, Peter R, Halliday, Glenda M, Hodges, John R, Piguet, Olivier, Bartley, Lauren, Thompson, Elizabeth, Haan, Eric, Hernández, Isabel, Ruiz, Agustín, Boada, Mercè, Borroni, Barbara, Padovani, Alessandro, Cruchaga, Carlos, Cairns, Nigel J, Benussi, Luisa, Binetti, Giuliano, Ghidoni, Roberta, Forloni, Gianluigi, Galimberti, Daniela, Fenoglio, Chiara, Serpente, Maria, Scarpini, Elio, Clarimón, Jordi, Lleó, Alberto, Blesa, Rafael, Waldö, Maria Landqvist, Nilsson, Karin, Nilsson, Christer, Mackenzie, Ian R A, Hsiung, Ging-Yuek R, Mann, David M A, Grafman, Jordan, Morris, Christopher M, Attems, Johannes, Griffiths, Timothy D, McKeith, Ian G, Thomas, Alan J, Pietrini, P, Huey, Edward D, Wassermann, Eric M, Baborie, Atik, Jaros, Evelyn, Tierney, Michael C, Pastor, Pau, Razquin, Cristina, Ortega-Cubero, Sara, Alonso, Elena, Perneczky, Robert, Diehl-Schmid, Janine, Alexopoulos, Panagiotis, Kurz, Alexander, Rainero, Innocenzo, Rubino, Elisa, Pinessi, Lorenzo, Rogaeva, Ekaterina, St George-Hyslop, Peter, Rossi, Giacomina, Tagliavini, Fabrizio, Giaccone, Giorgio, Rowe, James B, Schlachetzki, Johannes C M, Uphill, James, Collinge, John, Mead, Simon, Danek, Adrian, Van Deerlin, Vivianna M, Grossman, Murray, Trojanowski, John Q, van der Zee, Julie, Deschamps, William, Van Langenhove, Tim, Cruts, Marc, Van Broeckhoven, Christine, Cappa, Stefano F, Le Ber, Isabelle, Hannequin, Didier, Golfier, Véronique, Vercelletto, Martine, Brice, Alexis, Nacmias, Benedetta, Sorbi, Sandro, Bagnoli, Silvia, Piaceri, Irene, Nielsen, Jørgen E, Hjermind, Lena E, Riemenschneider, Matthias, Mayhaus, Manuel, Ibach, Bernd, Gasparoni, Gilles, Pichler, Sabrina, Gu, Wei, Rossor, Martin N, Fox, Nick C, Warren, Jason D, Spillantini, Maria Grazia, Morris, Huw R, Rizzu, Patrizia, Heutink, Peter, Snowden, Julie S, Rollinson, Sara, Richardson, Anna, Gerhard, Alexander, Bruni, Amalia C, Maletta, Raffaele, Frangipane, Francesca, Cupidi, Chiara, Bernardi, Livia, Anfossi, Maria, Gallo, Maura, Conidi, Maria Elena, Smirne, Nicoletta, Rademakers, Rosa, Baker, Matt, Dickson, Dennis W, Graff-Radford, Neill R, Petersen, Ronald C, Knopman, David, Josephs, Keith A, Boeve, Bradley F, Parisi, Joseph E, Seeley, William W, Miller, Bruce L, Karydas, Anna M, Rosen, Howard, van Swieten, John C, Dopper, Elise G P, Seelaar, Harro, Pijnenburg, Yolande A L, Scheltens, Philip, Logroscino, Giancarlo, Capozzo, Rosa, Novelli, Valeria, Puca, Annibale A, Franceschi, Massimo, Postiglione, Alfredo, Milan, Graziella, Sorrentino, Paolo, Kristiansen, Mark, Chiang, Huei-Hsin, Graff, Caroline, Pasquier, Florence, Rollin, Adeline, Deramecourt, Vincent, Lebert, Florence, Kapogiannis, Dimitrios, Ferrucci, Luigi, Pickering-Brown, Stuart, Singleton, Andrew B, Hardy, John, and Momeni, Parastoo

Published
2014
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14. On the association between apathy and deficits of social cognition and executive functions in Huntington's disease.

Author

Hendel, Rebecca K., Hellem, Marie N.N., Hjermind, Lena E., Nielsen, Jørgen E., and Vogel, Asmus

Subjects
APATHY, HUNTINGTON disease, EXECUTIVE function, SOCIAL perception, THEORY of mind, EMOTION recognition
Abstract

Objective: To investigate if executive and social cognitive dysfunction was associated with apathy in a large cohort of Huntington's disease gene expansion carriers. Method: Eighty premanifest and motor-manifest Huntington's disease gene expansion carriers (Mini-Mental State Examination score ≥ 24 and Montreal Cognitive Assessment score ≥ 19) and thirty-two controls were examined with the Lille Apathy Rating Scale (LARS), a tailored and quantitative measure of apathy, and a comprehensive cognitive battery on executive functions and social cognition (emotion recognition, theory of mind and sarcasm detection), as well as general correlates like demographic variables, and neuropsychiatric and cognitive screening tests. Results: The motor-manifest Huntington's disease gene expansion carriers had significantly different scores on most measures of social cognition and executive functions, compared to premanifest and control participants. Apathy was significantly correlated with most executive test scores, but the Emotion Hexagon was the only social cognitive test score significantly correlated with apathy. We found that the motor score and the depression score were the only significant predictors of the apathy score, when the social cognitive and executive tests with the strongest association with the global LARS score were entered into a multiple stepwise regression model. No cognitive test score could significantly predict apathy. The model explained 21 % of the total variance. Conclusion: Despite being significantly correlated with apathy neuropsychological variables did not have a significant impact on apathy when variables as depression and motor symptoms were taken into account. Apathy should be considered an independent symptom of Huntington's disease that requires specific examination. [ABSTRACT FROM AUTHOR]

Published
2023
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15. Missense dopamine transporter mutations associate with adult parkinsonism and ADHD

Author

Hansen, Freja H., Skjorringe, Tina, Yasmeen, Saiqa, Arends, Natascha V., Sahai, Michelle A., Erreger, Kevin, Andreassen, Thorvald F., Holy, Marion, Hamilton, Peter J., Neergheen, Viruna, Karlsborg, Merete, Newman, Amy H., Pope, Simon, Heales, Simon J.R., Friberg, Lars, Law, Ian, Pinborg, Lars H., Sitte, Harald H., Loland, Claus, Shi, Lei, Weinstein, Harel, Galli, Aurelio, Hjermind, Lena E., Moller, Lisbeth B., and Gether, Ulrik

Subjects
Genetic variation -- Identification and classification, Membrane proteins -- Genetic aspects, Parkinson's disease -- Genetic aspects -- Development and progression, Attention-deficit hyperactivity disorder -- Genetic aspects -- Development and progression, Health care industry
Abstract

Parkinsonism and attention deficit hyperactivity disorder (ADHD) are widespread brain disorders that involve disturbances of dopaminergic signaling. The sodium-coupled dopamine transporter (DAT) controls dopamine homeostasis, but its contribution to disease remains poorly understood. Here, we analyzed a cohort of patients with atypical movement disorder and identified 2 DAT coding variants, DAT-Ile312Phe and a presumed de novo mutant DAT-Asp421Asn, in an adult male with early-onset parkinsonism and ADHD. According to DAT single-photon emission computed tomography (DAT-SPECT) scans and a fluoro-deoxy-glucose-PET/MRI (FDG-PET/MRI) scan, the patient suffered from progressive dopaminergic neurodegeneration. In heterologous cells, both DAT variants exhibited markedly reduced dopamine uptake capacity but preserved membrane targeting, consistent with impaired catalytic activity. Computational simulations and uptake experiments suggested that the disrupted function of the DAT- Asp421Asn mutant is the result of compromised sodium binding, in agreement with Asp421 coordinating sodium at the second sodium site. For DAT-Asp421Asn, substrate efflux experiments revealed a constitutive, anomalous efflux of dopamine, and electrophysiological analyses identified a large cation leak that might further perturb dopaminergic neurotransmission. Our results link specific DAT missense mutations to neurodegenerative early-onset parkinsonism. Moreover, the neuropsychiatric comorbidity provides additional support for the idea that DAT missense mutations are an ADHD risk factor and suggests that complex DAT genotype and phenotype correlations contribute to different dopaminergic pathologies., Introduction Dopamine is an important neurotransmitter regulating motor activity, cognition, neuroendocrine functions, and reward mechanisms. Moreover, disturbances in dopaminergic signaling are of central importance in several common brain diseases including [...]

Published
2014
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18. An Exploratory Study Investigating Autonomy in Huntington's Disease Gene Expansion Carriers.

Author

Hendel, Rebecca K., Hellem, Marie N.N., Hjermind, Lena E., Nielsen, Jørgen E., and Vogel, Asmus

Subjects
APATHY, HUNTINGTON disease, AUTONOMY (Psychology), GROSS motor ability, COGNITION disorders, PATIENT autonomy, CHARACTERISTIC functions
Abstract

Background: Autonomy describes a psychological state of self-regulation of motivation and action, which is a central characteristic of healthy functioning. In neurodegenerative diseases measures of self-perception have been found to be affected by the disease. However, it has never been investigated whether measures of self-perception, like autonomy, is affected in Huntington's disease. Objective: We investigated whether autonomy is affected in Huntington's disease and if the degree of autonomy is associated with motor function, neuropsychiatric symptoms, cognitive impairments, and apathy. Methods: We included 44 premanifest and motor-manifest Huntington's disease gene expansion carriers and 19 controls. Autonomy was examined using two self-report questionnaires, the Autonomy-Connectedness Scale-30 and the Index of Autonomous Functioning. All participants were examined according to motor function, cognitive impairments, and neuropsychiatric symptoms, including apathy. Results: Statistically significant differences were found between motor-manifest Huntington's disease gene expansion carriers and premanifest Huntington's disease gene expansion carriers or controls on two measures of autonomy. Between 25–38% of motor-manifest Huntington's disease gene expansion carriers scored significantly below the normal level on subscales of autonomy as compared to controls. One autonomy subscale was associated with apathy (r = –0.65), but not with other symptoms of Huntington's disease. Conclusion: This study provides evidence for impaired autonomy in individuals with Huntington's disease and an association between autonomy and apathy. The results underline the importance of maintaining patient autonomy and involvement in care throughout the disease. [ABSTRACT FROM AUTHOR]

Published
2022
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20. Hereditary spastic paraplegia caused by the PLP1 'rumpshaker mutation'

Author

Svenstrup, Kirsten, Giraud, Genevieve, Boespflug-Tanguy, Odile, Danielsen, Else R., Thomsen, Carsten, Rasmussen, Kirsten, Law, Ian, Vogel, Asmus, Stokholm, Jette, Crone, Clarissa, Hjermind, Lena E., and Nielsen, Jorgen E.

Subjects
Paralysis, Spastic -- Research, Paralysis, Spastic -- Genetic aspects, Gene mutations -- Research, Phenotype -- Analysis, Nervous system -- Degeneration, Nervous system -- Research, Nervous system -- Physiological aspects, Health, Psychology and mental health
Published
2010

21. Hybrid 2-[18F] FDG PET/MRI in premanifest Huntington's disease gene-expansion carriers: The significance of partial volume correction.

Author

Hellem, Marie N. N., Vinther-Jensen, Tua, Anderberg, Lasse, Budtz-Jørgensen, Esben, Hjermind, Lena E., Larsen, Vibeke Andrée, Nielsen, Jørgen E., and Law, Ian

Subjects
HUNTINGTON disease, DISEASE vectors, MAGNETIC resonance imaging, NEURODEGENERATION, VOLUME measurements, POSITRON emission tomography
Abstract

Background: Huntington's disease (HD) is an inherited, progressive neurodegenerative disease that has no cure. Striatal atrophy and hypometabolism has been described in HD as far as 15 years before clinical onset and therefore structural and functional imaging biomarkers are the most applied biomarker modalities which call for these to be exact; however, most studies are not considering the partial volume effect and thereby tend to overestimate metabolic reductions, which may bias imaging outcome measures of interventions. Objective: Evaluation of partial volume effects in a cohort of premanifest HD gene-expansion carriers (HDGECs). Methods: 21 HDGECs and 17 controls had a hybrid 2-[18F]FDG PET/MRI scan performed. Volume measurements and striatal metabolism, both corrected and uncorrected for partial volume effect were correlated to an estimate of disease burden, the CAG age product scaled (CAPS). Results: We found significantly reduced striatal metabolism in HDGECs, but not in striatal volume. There was a negative correlation between the CAPS and striatal metabolism, both corrected and uncorrected for the partial volume effect. The partial volume effect was largest in the smallest structures and increased the difference in metabolism between the HDGEC with high and low CAPS scores. Statistical parametric mapping confirmed the results. Conclusions: A hybrid 2-[18F]FDG PET/MRI scan provides simultaneous information on structure and metabolism. Using this approach for the first time on HDGECs, we highlight the importance of partial volume effect correction in order not to underestimate the standardized uptake value and thereby the risk of overestimating the metabolic effect on the striatal structures, which potentially could bias studies determining imaging outcome measures of interventions in HDGECs and probably also symptomatic HD. [ABSTRACT FROM AUTHOR]

Published
2021
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22. Paroxysmal Cranial Dyskinesia and Nail‐Patella Syndrome Caused by a Novel Variant in the LMX1B Gene.

Author

Bech, Sara, Løkkegaard, Annemette, Nielsen, Troels T., Nørremølle, Anne, Grønborg, Sabine, Hasholt, Lis, Steffensen, Gudrun K., Graehn, Gabor, Olesen, Jess H., Tommerup, Niels, Mang, Yuan, Bak, Mads, Nielsen, Jørgen E., Eiberg, Hans, and Hjermind, Lena E.

Abstract

Background: In a Danish family, multiple individuals in five generations present with early‐onset paroxysmal cranial dyskinesia, musculoskeletal abnormalities, and kidney dysfunction. Objective: To demonstrate linkage and to identify the underlying genetic cause of disease. Methods: Genome‐wide single‐nucleotide polymorphisms analysis, Sequence‐Tagged‐Site marker analyses, exome sequencing, and Sanger sequencing were performed. Results: Linkage analyses identified a candidate locus on chromosome 9. Exome sequencing revealed a novel variant in LMX1B present in all affected individuals, logarithm of the odds (LOD) score of z = 6.54, predicted to be damaging. Nail‐patella syndrome (NPS) is caused by pathogenic variants in LMX1B encoding a transcription factor essential to cytoskeletal and kidney growth and dopaminergic and serotonergic network development. NPS is characterized by abnormal musculoskeletal features and kidney dysfunction. Movement disorders have not previously been associated with NPS. Conclusions: Paroxysmal dyskinesia is a heretofore unrecognized feature of the NPS spectrum. The pathogenic mechanism might relate to aberrant dopaminergic circuits. © 2020 International Parkinson and Movement Disorder Society [ABSTRACT FROM AUTHOR]

Published
2020
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23. Early Intrathecal T Helper 17.1 Cell Activity in Huntington Disease.

Author

Essen, Marina R., Hellem, Marie N. N., Vinther‐Jensen, Tua, Ammitzbøll, Cecilie, Hansen, Rikke H., Hjermind, Lena E., Nielsen, Troels T., Nielsen, Jørgen E., Sellebjerg, Finn, von Essen, Marina R, and Vinther-Jensen, Tua

Subjects
T helper cells, HUNTINGTON disease, SUPPRESSOR cells, LYMPHOKINES, ENZYME-linked immunosorbent assay
Abstract

Objective: Huntington disease (HD) is an autosomal dominantly inherited neurodegenerative disorder caused by a CAG repeat expansion in the huntingtin (HTT) gene. No disease-modifying therapy exists for the treatment of patients with HD. The purpose of this study was therefore to investigate early disease mechanisms that potentially could be used as a target therapeutically.Methods: Lymphocyte activity in cerebrospinal fluid (CSF) from 4 cohorts of HTT gene expansion carriers (n = 121 in total) and controls was analyzed by techniques based on flow cytometry and enzyme-linked immunosorbent assays.Results: The data of this study provide evidence of immune abnormalities before motor onset of disease. In CSF of HTT gene expansion carriers, we found increased levels of proinflammatory cytokines, including IL-17, and increased consumption of the lymphocyte growth factor IL-7 before motor onset of HD. In concordance, we observed an increased prevalence of IL-17-producing Th17.1 cells in the CSF of HTT gene expansion carriers, predominantly in pre-motor manifest individuals. The frequency of intrathecal Th17.1 cells correlated negatively with progression of HD and the level of neurodegeneration, suggesting a role of Th17.1 cells in the early disease stage. We also observed a skewing in the balance between proinflammatory and regulatory T cells potentially favoring a proinflammatory intrathecal environment in HTT gene expansion carriers.Interpretation: These data suggest that Th17.1 cells are implicated in the earliest pathogenic phases of HD and suggest that treatment to dampen T -cell-driven inflammation before motor onset might be of benefit in HTT gene expansion carriers. ANN NEUROL 2020;87:246-255. [ABSTRACT FROM AUTHOR]

Published
2020
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24. Does arterial hypertension influence the onset of Huntington's disease?

Author

Valcárcel-Ocete, Leire, Fullaondo, Asier, Alkorta-Aranburu, Gorka, García-Barcina, María, Roos, Raymund A. C., Hjermind, Lena E., Saft, Carsten, Frontali, Marina, Reilmann, Ralf, Rickards, Hugh, null, null, Zubiaga, Ana M., and Aguirre, Ana

Subjects
HUNTINGTON disease, HUNTINGTIN protein, NEURODEGENERATION, REGRESSION analysis, ANALYSIS of variance
Abstract

Huntington’s disease (HD) age of onset (AO) is mainly determined by the length of the CAG repeat expansion in the huntingtin gene. The remaining AO variability has been attributed to other little-known factors. A factor that has been associated with other neurodegenerative diseases is arterial hypertension (AHT). The aim of this study is to evaluate the contribution of AHT to the AO of HD. We used data from a cohort of 630 European HD patients with adult onset collected by the REGISTRY project of the European Huntington’s Disease Network. Multiple linear regression and ANOVA, controlling for the CAG repeat number of the expanded allele (CAGexp) of each patient, were performed to assess the association between the AHT condition and the AO of the motor symptoms (mAO). The results showed a significant association between AHT and mAO, especially when we only considered the patients diagnosed with AHT prior to manifesting any HD signs (pre-HD AHT). Remarkably, despite the low number of cases, those patients developed motor symptoms 5–8 years later than normotensive patients in the most frequent CAGexp range (40–44). AHT is an age-related condition and consequently, the age of the patient at the time of data collection could be a confounder variable. However, given that most pre-HD AHT patients included in our study had started treatment with antihypertensive drugs prior to the onset of HD, and that antihypertensive drugs have been suggested to confer a neuroprotective effect in other neurodegenerative diseases, raises the interest in elucidating the impact of AHT and/or AHT treatment in HD age of onset in further studies. A confirmation of our results in a larger sample set would open the possibility to significantly improve HD management. [ABSTRACT FROM AUTHOR]

Published
2018
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25. Generation of a gene-corrected isogenic control hiPSC line derived from a familial Alzheimer's disease patient carrying a L150P mutation in presenilin 1.

Author

Poon, Anna, Schmid, Benjamin, Pires, Carlota, Nielsen, Troels T., Hjermind, Lena E., Nielsen, Jørgen E., Holst, Bjørn, Hyttel, Poul, and Freude, Kristine K.

Abstract

Mutations in the presenilin 1 (PSEN1) gene lead to the most aggressive form of familial Alzheimer's disease (AD). Human induced pluripotent stem cells (hiPSCs) derived from AD patients and subsequently differentiated can be used for disease modeling. We have previously generated a hiPSC line from a familial AD patient carrying a L150P point mutation in PSEN1. Here we used CRISPR/Cas9 gene editing to correct for the single base pair mutation. This gene-corrected line, L150P-GC-hiPSC, serves as an isogenic control to the mutant line for future investigation of mechanisms and cellular phenotypes altered by this specific PSEN1 mutation. [ABSTRACT FROM AUTHOR]

Published
2016
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26. Generation of a gene-corrected isogenic control cell line from an Alzheimer's disease patient iPSC line carrying a A79V mutation in PSEN1.

Author

Pires, Carlota, Schmid, Benjamin, Petræus, Carina, Poon, Anna, Nimsanor, Natakarn, Nielsen, Troels T., Waldemar, Gunhild, Hjermind, Lena E., Nielsen, Jørgen E., Hyttel, Poul, and Freude, Kristine K.

Abstract

Alzheimer's disease (AD) is a progressive and irreversible neurodegenerative disease causing neural cell degeneration and brain atrophy and is considered to be the most common form of dementia. We previously generated an induced pluripotent stem cell (iPSC) line from an AD patient carrying an A79V mutation in PSEN1 as an in vitro disease model. Here we generated a gene-corrected version from this hiPSC line by substituting the point mutation with the wild-type sequence. The reported A79V-GC-iPSCs line is a very useful resource in combination with the A79V-iPSC line in order to study pathological cellular phenotypes related to this particular mutation. [ABSTRACT FROM AUTHOR]

Published
2016
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27. Generation of induced pluripotent stem cells (iPSCs) from an Alzheimer's disease patient carrying a M146I mutation in PSEN1.

Author

Li, Tong, Pires, Carlota, Nielsen, Troels T., Waldemar, Gunhild, Hjermind, Lena E., Nielsen, Jørgen E., Dinnyes, Andras, Holst, Bjørn, Hyttel, Poul, and Freude, Kristine K.

Abstract

Skin fibroblasts were obtained from a 46-year-old symptomatic man carrying a M146I mutation in the presenilin 1 gene ( PSEN1 ), responsible for causing Alzheimer's disease (AD). Induced pluripotent stem cells (iPSCs) were derived via transfection with episomal vectors carrying hOCT4 , hSOX2 , hKLF2 , hL-MYC , hLIN28 and shTP53 genes. M146I-iPSCs were free of genomically integrated reprogramming genes, had the specific mutation but no additional genomic aberrancies, expressed the expected pluripotency markers and displayed in vitro differentiation potential to the three germ layers. The reported M146I-iPSCs line may be a useful resource for in vitro modeling of familial AD. [ABSTRACT FROM AUTHOR]

Published
2016
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28. Generation of induced pluripotent stem cells (iPSCs) from an Alzheimer's disease patient carrying an A79V mutation in PSEN1.

Author

Li, Tong, Pires, Carlota, Nielsen, Troels T., Waldemar, Gunhild, Hjermind, Lena E., Nielsen, Jørgen E., Dinnyes, Andras, Hyttel, Poul, and Freude, Kristine K.

Abstract

Skin fibroblasts were obtained from a 48-year-old presymptomatic woman carrying a A79V mutation in the presenilin 1 gene ( PSEN1 ), causing Alzheimer's disease (AD). Induced pluripotent stem cell (iPSCs) were derived via transfection with episomal vectors carrying hOCT4 , hSOX2 , hKLF2 , hL-MYC , hLIN28 and shTP53 genes. A79V-iPSCs were free of genomically integrated reprogramming genes, had the specific mutation but no additional genomic aberrancies, expressed the expected pluripotency markers and displayed in vitro differentiation potential to the three germ layers. The reported A79V-iPSCs line may be a useful resource for in vitro modeling of familial AD. [ABSTRACT FROM AUTHOR]

Published
2016
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29. Induced pluripotent stem cells (iPSCs) derived from a pre-symptomatic carrier of a R406W mutation in microtubule-associated protein tau (MAPT) causing frontotemporal dementia.

Author

Rasmussen, Mikkel A., Hjermind, Lena E., Hasholt, Lis F., Waldemar, Gunhild, Nielsen, Jørgen E., Clausen, Christian, Hyttel, Poul, and Holst, Bjørn

Abstract

Skin fibroblasts were obtained from a 28-year-old pre-symptomatic woman carrying a R406W mutation in microtubule-associated protein tau (MAPT), known to cause frontotemporal dementia. Induced pluripotent stem cell (iPSCs) were established by electroporation with episomal plasmids containing hOCT4 , hSOX2 , hKLF2 , hL-MYC , hLIN-28 and shP53 . iPSCs were free of genomically integrated reprogramming genes, contained the expected c.1216C > T substitution in exon 13 of the MAPT gene, expressed the expected pluripotency markers, displayed in vitro differentiation potential to the three germ layers and had normal karyotype. The iPSC line may be useful for studying hereditary frontotemporal dementia and TAU pathology in vitro. [ABSTRACT FROM AUTHOR]

Published
2016
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30. Induced pluripotent stem cells (iPSCs) derived from a patient with frontotemporal dementia caused by a R406W mutation in microtubule-associated protein tau (MAPT).

Author

Rasmussen, Mikkel A., Hjermind, Lena E., Hasholt, Lis F., Waldemar, Gunhild, Nielsen, Jørgen E., Clausen, Christian, Hyttel, Poul, and Holst, Bjørn

Abstract

Skin fibroblasts were obtained from a 59-year-old woman diagnosed with frontotemporal dementia. The disease is caused by a R406W mutation in microtubule-associated protein tau (MAPT). Induced pluripotent stem cells (iPSCs) were established by electroporation with episomal plasmids containing hOCT4 , hSOX2 , hKLF2 , hL-MYC , hLIN-28 and shP53 . iPSCs were free of genomically integrated reprogramming genes, contained the expected c.1216C > T substitution in exon 13 of the MAPT gene, expressed the expected pluripotency markers, displayed in vitro differentiation potential to the three germ layers and had normal karyotype. The iPSC line may be useful for studying hereditary frontotemporal dementia and TAU pathology in vitro. [ABSTRACT FROM AUTHOR]

Published
2016
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31. Induced pluripotent stem cells (iPSCs) derived from a patient with frontotemporal dementia caused by a P301L mutation in microtubule-associated protein tau (MAPT).

Author

Rasmussen, Mikkel A., Hjermind, Lena E., Hasholt, Lis F., Waldemar, Gunhild, Nielsen, Jørgen E., Clausen, Christian, Hyttel, Poul, and Holst, Bjørn

Abstract

Skin fibroblasts were obtained from a 57-year-old woman diagnosed with frontotemporal dementia. The disease is caused by a P301L mutation in microtubule-associated protein tau (MAPT). Induced pluripotent stem cells (iPSCs) were established by electroporation with episomal plasmids containing hOCT4 , hSOX2 , hKLF2 , hL-MYC , hLIN-28 and shP53 . iPSCs were free of genomically integrated reprogramming genes, contained the expected c.902C > T substitution in exon 10 of the MAPT gene, expressed the expected pluripotency markers, displayed in vitro differentiation potential to the three germ layers and had normal karyotype. The iPSC line may be useful for studying hereditary frontotemporal dementia and TAU pathology in vitro . [ABSTRACT FROM AUTHOR]

Published
2016
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32. A clinical classification acknowledging neuropsychiatric and cognitive impairment in Huntington's disease.

Author

Vinther-Jensen, Tua, Larsen, Ida U., Hjermind, Lena E., Budtz-Jørgensen, Esben, Nielsen, Troels T., Nørremølle, Anne, Nielsen, Jørgen E., and Vogel, Asmus

Subjects
NEUROBEHAVIORAL disorders, COGNITION disorders, HUNTINGTON disease, GENETIC testing, PSYCHOLOGICAL stress, GENES
Abstract

Background Involuntary movements, neuropsychiatric symptoms, and cognitive impairment are all part of the symptom triad in Huntington's disease (HD). Despite the fact that neuropsychiatric symptoms and cognitive decline may be early manifestations of HD, the clinical diagnosis is conventionally based on the presence of involuntary movements and a positive genetic test for the HD CAG repeat expansion. After investigating the frequencies of the triad manifestations in a large outpatient clinical cohort of HD gene-expansion carriers, we propose a new clinical classification. Methods In this cross-sectional study, 107 gene-expansion carriers from a Danish outpatient clinic were recruited. All participants underwent neurological examination, psychiatric evaluation and neuropsychological testing. Participants were categorised according to motor symptoms, neuropsychiatric symptoms, the use of psychotropic medication, and cognitive impairment. Results Among the motor manifest HD gene-expansion carriers, 51.8% presented with the full symptom triad, 25.0% were defined as cognitively impaired in addition to motor symptoms, and 14.3% had neuropsychiatric symptoms along with motor symptoms. Only 8.9% had isolated motor symptoms. Among gene-expansion carriers without motor symptoms, 39.2% had neuropsychiatric symptoms, were cognitively impaired, or had a combination of the two. Conclusion This is the first study to report the frequencies of both motor symptoms, cognitive impairment, and neuropsychiatric symptoms in HD gene-expansion carriers in a national outpatient HD clinical cohort. We found that almost 40% of the gene-expansion carriers without motor symptoms had either neuropsychiatric symptoms, cognitive impairment or both, emphasising that these patients are not premanifest in psychiatric and cognitive terms, suggesting that the current clinical classification is neither necessarily suitable nor helpful for this patient group. Some premanifest gene-expansion carriers may have psychiatric and/or cognitive symptoms caused by reactive stress or other pathology than HD. Acknowledging this fact we, however, suggest classifying all HD gene-expansion carriers into three clinical categories: premanifest, non-motor manifest, and motor manifest. [ABSTRACT FROM AUTHOR]

Published
2014
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34. Germ-line CAG repeat instability causes extreme CAG repeat expansion with infantile-onset spinocerebellar ataxia type 2.

Author

Vinther-Jensen, Tua, Ek, Jakob, Duno, Morten, Skovby, Flemming, Hjermind, Lena E, Nielsen, Jørgen E, and Nielsen, Troels Tolstrup

Subjects
GERM cells, SPINOCEREBELLAR ataxia, POLYGLUTAMINE, LOCUS (Genetics), ALLELES, GENETIC code
Abstract

The spinocerebellar ataxias (SCA) are a genetically and clinically heterogeneous group of diseases, characterized by dominant inheritance, progressive cerebellar ataxia and diverse extracerebellar symptoms. A subgroup of the ataxias is caused by unstable CAG-repeat expansions in their respective genes leading to pathogenic expansions of polyglutamine stretches in the encoded proteins. In general, unstable CAG repeats have an uninterrupted CAG repeat, whereas stable CAG repeats are either short or interrupted by CAA codons, which - like CAG codons - code for glutamine. Here we report on an infantile SCA2 patient who, due to germ-line CAG repeat instability in her father, inherited an extremely expanded CAG repeat in the SCA2 locus. Surprisingly, the expanded allele of the father was an interrupted CAG repeat sequence. Furthermore, analyses of single spermatozoa showed a high frequency of paternal germ-line repeat sequence instability of the expanded SCA2 locus. [ABSTRACT FROM AUTHOR]

Published
2013
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35. Amyloid-related biomarkers and axonal damage proteins in parkinsonian syndromes

Author

Bech, Sara, Hjermind, Lena E., Salvesen, Lisette, Nielsen, Jørgen E., Heegaard, Niels H.H., Jørgensen, Henrik L., Rosengren, Lars, Blennow, Kaj, Zetterberg, Henrik, and Winge, Kristian

Subjects
*PARKINSONIAN disorders, *AMYLOID beta-protein precursor, *BIOMARKERS, *NF-kappa B, *CYTOPLASMIC filaments, *AXONS, *COHORT analysis, *THERAPEUTICS
Abstract

Abstract: Background: Clinical differentiation between parkinsonian syndromes (PS) remains a challenge despite well-established clinical diagnostic criteria. Specific diagnostic biomarkers have yet to be identified, though in recent years, studies have been published on the aid of certain brain related proteins (BRP) in the diagnosing of PS. We investigated the levels of the light subunit of neurofilament triplet protein (NF-L), total tau and phosphorylated tau, amyloid-β1-42, and the soluble α- and β-cleaved fragments of amyloid precursor proteins in a cohort of patients with various PS. Methods: Seventy-one patients with different PS and cerebellar disorders were included consecutively over 21 months. CSF was collected at inclusion. Clinical follow-up was performed after 16 months (median; range: 9-30). Statistical comparison was performed after follow-up on 53 patients in four subgroups of PS: multiple system atrophy (MSA)(n = 10), progressive supranuclear palsy (PSP)(n = 10), dementia with Lewy bodies (DLB)(n = 11), and Parkinson’s disease (PD)(n = 22), using the non-parametric Kruskal–Wallis test. Results: A statistically significant difference was found for NF-L (p < 0.0001, lowest values for PD), Aβ1–42, (p = 0.002, lowest values for DLB), and sAPPα and sAPPβ (p = 0.03 and 0.02, lower values observed for DLB and MSA). Conclusion: We demonstrate a potential role for sAPPα and sAPPβ in distinguishing between PS, a finding that needs to be confirmed in future studies of larger cohorts. There is a tendency towards low levels of Aβ1–42 in DLB patients in our cohort. Further, our results support findings from previous studies, which indicate an ability to separate atypical PS from PD based on levels of NF-L. [Copyright &y& Elsevier]

Published
2012
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36. Behavioral variant of frontotemporal dementia mimicking Huntington's disease.

Author

Nielsen, T. Rune, Bruhn, Peter, Nielsen, Jørgen E., and Hjermind, Lena E.

Abstract

Behavioral changes and cognitive decline are the core clinical manifestations in the behavioral variant of frontotemporal dementia (bv-FTD). The behavioral changes may include characteristic stereotypic movements. These movements, although without clear purpose, are not involuntary. Involuntary movements are usually not seen in FTD. Two patients with involuntary choreoathetoid movements but otherwise presenting a bv-FTD-phenotype were referred and Huntington's disease (HD) was suspected. The diagnoses of bv-FTD were made after comprehensive assessment and exclusion of other diagnoses, including HD and Huntington's disease-like (HDL) phenotypes. Although a definite diagnosis will require neuropathological confirmation, we conclude that a HDL phenotype may be part of the clinical spectrum of the bv-FTD phenotype. [ABSTRACT FROM AUTHOR]

Published
2010
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37. Generation of induced pluripotent stem cells (iPSCs) from an Alzheimer's disease patient carrying a L150P mutation in PSEN-1.

Author

Tubsuwan, Alisa, Pires, Carlota, Rasmussen, Mikkel A., Schmid, Benjamin, Nielsen, Jørgen E., Hjermind, Lena E., Hall, Vanessa, Nielsen, Troels T., Waldemar, Gunhild, Hyttel, Poul, Clausen, Christian, Kitiyanant, Narisorn, Freude, Kristine K., and Holst, Bjørn

Abstract

Induced pluripotent stem cells (iPSCs) were generated from skin fibroblasts isolated from a 58-year old male with a L150P mutation in the presenilin 1 ( PSEN-1 ) gene, which is responsible for the majority of familial cases of Alzheimer's disease (AD). The iPSCs were established by co-electroporation with episomal plasmids containing hOCT4 , hSOX2 , hL-MYC , hKLF4 , hNANOG , hLIN28 , and short hairpin RNA against TP53 . The iPSCs contained the specific heterozygous mutation c.449C > T, had normal karyotype, expressed the expected pluripotency genes and displayed in vitro differentiation potential to the three germ layers. The iPSCs may be useful for studying familial AD pathology in vitro . [ABSTRACT FROM AUTHOR]

Published
2016
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39. Reduced CSF CART in dementia with Lewy bodies

Author

Schultz, Kristofer, Wiehager, Sara, Nilsson, Karin, Nielsen, Jørgen E., Lindquist, Suzanne G., Hjermind, Lena E., Andersen, Birgitte B., Wallin, Anders, Nilsson, Christer, and Petersén, Åsa

Subjects
*LEWY body dementia, *CEREBROSPINAL fluid, *ALZHEIMER'S patients, *BIOMARKERS, *MAGNETIC resonance imaging of the brain, *NEURODEGENERATION, *RADIOIMMUNOASSAY
Abstract

Abstract: Dementia with Lewy bodies (DLB) is the second most common form of neurodegenerative dementia after Alzheimer''s disease (AD). The underlying neurobiological mechanism of DLB is not fully understood and no generally accepted biomarkers are yet available for the diagnosis of DLB. In a recent MRI study, DLB patients displayed hypothalamic atrophy whereas this region was not affected in AD patients. Cocaine and amphetamine regulated transcript (CART) is a neuropeptide expressed selectively in neurons in the hypothalamus. Here, we found that CSF CART levels were significantly reduced by 30% in DLB patients (n =12) compared to controls (n =12) as well as to AD patients (n =14) using radioimmunoassay. Our preliminary results suggest that reduced CSF CART is a sign of hypothalamic dysfunction in DLB and that it may serve as a biomarker for this patient group. [Copyright &y& Elsevier]

Published
2009
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40. Novel mutation in ATP13A2 widens the spectrum of Kufor-Rakeb syndrome (PARK9).

Author

Eiberg, Hans, Hansen, Lars, Korbo, Lise, Nielsen, Inge-Merete, Svenstrup, Kirsten, Bech, Sara, Pinborg, Lars H., Hjermind, Lena E., Olsen, Ove R., and Nielsen, Jørgen E.

Subjects
*AUTOSOMAL recessive polycystic kidney, *PARKINSONIAN disorders, *DOPAMINE receptors, *MUTANT proteins, *NEUROTRANSMITTERS
Abstract

The article offers information on Kufor-Rakeb syndrome (KRS) which is a rare autosomal recessive inherited juvenile Parkinsonian syndrome caused by mutations in ATP13A2. Topics discussed includes dopamine transporter (DAT) scans, molecular pathogenic mechanisms of ATP13A2 and a study which suggests that the mutant protein does not interfere and destroy the function of the wild-type ATP13A2 protein.

Published
2013
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