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1. Differences in pain perception during open muscle biopsy and Bergstroem needle muscle biopsy

Author

Dengler J, Linke P, Gdynia HJ, Wolf S, Ludolph AC, Vajkoczy P, and Meyer T

Subjects
Medicine (General), R5-920
Abstract

Julius Dengler,1 Peter Linke,2 Hans J Gdynia,3 Stefan Wolf,1 Albert C Ludolph,3 Peter Vajkoczy,1 Thomas Meyer2 1Department of Neurosurgery, 2Department of Neurology, Charité – Universitätsmedizin Berlin, Berlin, Germany; 3Department of Neurology, Universitätsklinikum Ulm, Ulm, GermanyPurpose: Open surgical muscle biopsy (OB) and percutaneous Bergstroem needle muscle biopsy (NB) are equally accepted procedures. However, there are no data comparing intraprocedural pain for both techniques. We designed this prospective trial to test the hypothesis that the less invasive NB causes less intraprocedural pain than OB. Methods: In a two-center prospective trial, 33 patients underwent both procedures in one session. All patients quantified intraprocedural pain using the numeric rating scale (NRS). Mean NRS values were calculated along with the difference in NRS values (ΔNRS) between both types of biopsies. Results: Mean NRS values were 4.5 (±2.7 standard deviation [SD]) for NB and 3.2 (±2.1) for OB (P=0.02). Of the patients, 57.6% described the ΔNRS as ≤2 NRS points. Regarding the pain categories “mild” (NRS 0–3), “moderate” (NRS 4–7), and “severe”(NRS 8–10), no significant difference was observed between NB and OB. Patients who found NB to be more uncomfortable were more likely to quantify the ΔNRS as >2 NRS points than patients finding OB more uncomfortable. Conclusion: Our results do not support the hypothesis that intraprocedural pain in NB is less than in OB. When informing the patient about both types of muscle biopsies, the amount of intraprocedural pain should not serve as a differentiating characteristic. Keywords: Bergstroem needle, muscle biopsy, percutaneous, pain, numeric rating scale

Published
2014

2. Safety and efficacy of anti-tau monoclonal antibody gosuranemab in progressive supranuclear palsy: a phase 2, randomized, placebo-controlled trial (August, 10.1038/s41591-021-01455-x, 2021)

Author

Dam, T, Golbe, LI, Hoglinger, GU, Grundman, M, Yang, LL, Tidemann-Miller, B, Kupferman, J, Harper, K, Kamisoglu, K, Wald, MJ, Graham, DL, Gedney, L, O'Gorman, J, Haeberlein, SB, Aiba, I, Antonini, A, Apetauerova, D, Azulay, JP, Martinez, EB, Bang, J, Barone, P, Barrett, M, Bega, D, Berg, D, Corrales, KB, Bordelon, Y, Boxer, AL, Brandt, M, Brueggemann, N, Castelnovo, G, Ceravolo, R, Chuang, RD, Chung, SJ, Church, A, Corvol, JC, Cudia, P, Dale, M, Defebvre, L, Drapier, S, Driver-Dunckley, ED, Ebersbach, G, Eggert, KM, Ellenbogen, A, Eusebio, A, Evans, AH, Fedorova, N, Finger, E, Foubert-Samier, A, Ghosh, B, Golbe, L, Perez, FG, Grossman, M, Hall, D, Hamada, K, Hasegawa, K, Hoeglinger, G, Honig, L, Houghton, D, Huang, XM, Isaacson, S, Koh, S, Bojarski, JK, Lang, ANE, Leigh, PN, Litvan, I, Lozano, JJL, Moreno, JLLS, Ludolph, AC, Piudo, MRL, Torres, IM, McFarland, N, Meissner, W, Mestre, T, Rivera, PM, Molho, E, Mollenhauer, B, Morris, HR, Murata, M, Obi, T, Magne, FO, O'Suilleabhain, P, Pahwa, R, Pantelyat, A, Pavese, N, Pokhabov, D, Prudlo, J, Rodriguez-Porcel, F, Rowe, J, Savitt, J, Schnitzler, A, Schulz, JB, Seppi, K, Shah, BI, Shill, H, Shprecher, D, Stamelou, M, Steiger, M, Takahashi, Y, Takigawa, H, Tartaglia, C, Toenges, L, Truong, D, Tse, W, Tuite, P, Volc, D, Wills, AMA, Woitalla, D, Xie, T, Yuasa, T, Zauber, SE, and Zesiewicz, T

Published
2022

3. Common and rare variant association analyses in amyotrophic lateral sclerosis identify 15 risk loci with distinct genetic architectures and neuron-specific biology (vol 53, pg 1636, 2021)

Author

van Rheenen, W, van der Spek, RAA, Bakker, MK, van Vugt, JJFA, Hop, PJ, Zwamborn, RAJ, de Klein, N, Westra, HJ, Bakker, OB, Deelen, P, Shireby, G, Hannon, E, Moisse, M, Baird, D, Restuadi, R, Dolzhenko, E, Dekker, AM, Gawor, K, Westeneng, HJ, Tazelaar, GHP, van Eijk, KR, Kooyman, M, Byrne, RP, Doherty, M, Heverin, M, Al Khleifat, A, Iacoangeli, A, Shatunov, A, Ticozzi, N, Cooper-Knock, J, Smith, BN, Gromicho, M, Chandran, S, Pal, S, Morrison, KE, Shaw, PJ, Hardy, J, Orrell, RW, Sendtner, M, Meyer, T, Basak, N, van der Kooi, AJ, Ratti, A, Fogh, I, Gellera, C, Lauria, G, Corti, S, Cereda, C, Sproviero, D, Soraru, G, Siciliano, G, Filosto, M, Padovani, A, Chio, A, Calvo, A, Moglia, C, Brunetti, M, Canosa, A, Grassano, M, Beghi, E, Pupillo, E, Logroscino, G, Nefussy, B, Osmanovic, A, Nordin, A, Lerner, Y, Zabari, M, Gotkine, M, Baloh, RH, Bell, S, Vourc'h, P, Corcia, P, Couratier, P, Millecamps, S, Meininger, V, Salachas, F, Pardina, JMS, Assialioui, A, Rojas-Garcia, R, Dion, PA, Ross, JP, Ludolph, AC, Weishaupt, JH, Brenner, D, Freischmidt, A, Bensimon, G, Brice, A, Durr, A, Payan, CAM, Saker-Delye, S, Wood, NW, Topp, S, Rademakers, R, Tittmann, L, Lieb, W, Franke, A, Ripke, S, Braun, A, Kraft, J, Whiteman, DC, Olsen, CM, Uitterlinden, AG, Hofman, A, Rietschel, M, Cichon, S, Nothen, MM, Amouyel, P, Comi, G, Riva, N, Lunetta, C, Gerardi, F, Cotelli, MS, Rinaldi, F, Chiveri, L, Guaita, MC, Perrone, P, Diamanti, L, Ferrarese, C, Tremolizzo, L, Delodovici, ML, Bono, G, Manera, U, Vasta, R, Bombaci, A, Casale, F, Fuda, G, Salamone, P, Iazzolino, B, Peotta, L, Cugnasco, P, De Marco, G, Torrieri, MC, Palumbo, F, Gallone, S, Barberis, M, Sbaiz, L, Gentile, S, Mauro, A, De Marchi, F, D'Alfonso, S, Bertolotto, A, Gionco, M, Leotta, D, Odddenino, E, Imperiale, D, Cavallo, R, Pignatta, P, De Mattei, M, Geda, C, Papurello, DM, Gusmaroli, G, Comi, C, Labate, C, Ruiz, L, Ferrandi, D, Rota, E, Aguggia, M, Di Vito, N, Meineri, P, Ghiglione, P, Launaro, N, Dotta, M, Di Sapio, A, Giardini, G, Tiloca, C, Peverelli, S, Taroni, F, Pensato, V, Castellotti, B, Comi, GP, Del Bo, R, Ceroni, M, Gagliardi, S, Corrado, L, Mazzini, L, Raggi, F, Simoncini, C, Lo Gerfo, A, Inghilleri, M, Ferlini, A, Simone, IL, Passarella, B, Guerra, V, Zoccolella, S, Nozzoli, C, Mundi, C, Leone, M, Zarrelli, M, Tamma, F, Valluzzi, F, Calabrese, G, Boero, G, Rini, A, Traynor, BJ, Singleton, AB, Neto, MM, Cauchi, RJ, Ophoff, RA, Wiedau-Pazos, M, Lomen-Hoerth, C, van Deerlin, VM, Grosskreutz, J, Roediger, A, Gaur, N, Jork, A, Barthel, T, Theele, E, Ilse, B, Stubendorff, B, Witte, OW, Steinbach, R, Hubner, CA, Graff, C, Brylev, L, Fominykh, V, Demeshonok, V, Ataulina, A, Rogelj, B, Koritnik, B, Zidar, J, Ravnik-Glavac, M, Glavac, D, Stevic, Z, Drory, V, Povedano, M, Blair, IP, Kiernan, MC, Benyamin, B, Henderson, RD, Furlong, S, Mathers, S, McCombe, PA, Needham, M, Ngo, ST, Nicholson, GA, Pamphlett, R, Rowe, DB, Steyn, FJ, Williams, KL, Mather, KA, Sachdev, PS, Henders, AK, Wallace, L, de Carvalho, M, Pinto, S, Petri, S, Weber, M, Rouleau, GA, Silani, V, Curtis, CJ, Breen, G, Glass, JD, Brown, RH, Landers, JE, Shaw, CE, Andersen, PM, Groen, EJN, van Es, MA, Pasterkamp, RJ, Fan, DS, Garton, FC, McRae, AF, Smith, GD, Gaunt, TR, Eberle, MA, Mill, J, McLaughlin, RL, Hardiman, O, Kenna, KP, Wray, NR, Tsai, EL, Runz, H, Franke, L, Al-Chalabi, A, Van Damme, P, van den Berg, LH, Veldink, JH, SLALOM Consortium, PARALS Consortium, SLAGEN Consortium, and SLAP Consortium

Published
2022

4. Acute Cerebrovascular Disease in the Young: The Stroke in Young Fabry Patients Study

Author

Rolfs, Arndt, Fazekas, Franz, Grittner, Ulrike, Dichgans, Martin, Martus, Peter, Holzhausen, Martin, Böttcher, Tobias, Heuschmann, Peter U., Tatlisumak, Turgut, Tanislav, Christian, Jungehulsing, Gerhard J., Giese, Anne-Katrin, Putaala, Jukaa, Huber, Roman, Bodechtel, Ulf, Lichy, Christoph, Enzinger, Christian, Schmidt, Reinhold, Hennerici, Michael G., Kaps, Manfred, Kessler, Christof, Lackner, Karl, Paschke, Eduard, Meyer, Wolfgang, Mascher, Hermann, Riess, Olaf, Kolodny, Edwin, Norrving, Bo, Rolfs, A, Ginsberg, M, Hennerici, MG, Kessler, C, Kolodny, E, Martus, P, Norrving, B, Ringelstein, EB, Rothwell, PM, Venables, G, Bornstein, N, deDeyn, P, Dichgans, M, Fazekas, F, Markus, H, Rie, O, Biedermann, C, Böttcher, T, Brüderlein, K, Burmeister, J, Federow, I, König, F, Makowei, G, Niemann, D, Rolfs, A, Rösner, S, Zielke, S, Grittner, U, Martus, P, Holzhausen, M, Fazekas, F, Enzinger, C, Schmidt, R, Ropele, S, Windisch, M, Sterner, E, Bodamer, O, Fellgiebel, A, Hillen, U, Jonas, L, Kampmann, C, Kropp, P, Lackner, K, Laue, M, Mascher, H, Meyer, W, Paschke, E, Weidemann, F, Berrouschot, J, Stoll, A, Rokicha, A, Sternitzky, C, Thomä, M, DeDeyn, PP, Sheorajpanday, R, De Brabander, I, Yperzeele, L, Brouns, R, Oschmann, P, Pott, M, Schultes, K, Schultze, C, Hirsekorn, J, Jungehulsing, GJ, Villringer, A, Schmidt, W, Liman, T, Nowe, T, Ebinger, M, Wille, A, Loui, H, Objartel, A, übelacker, A, Mette, R, Jegzentis, K, Nabavi, DG, Crome, O, Bahr, D, Ebke, M, Platte, B, Kleinen, C, Mermolja Gunther, K, Heide, W, Pape, O, Hanssen, JR, Stangenberg, D, Klingelhofer, J, Schmidt, B, Schwarz, S, Schwarze, J, Frandlih, L, Iwanow, J, Steinbach, I, Krieger, D, Boysen, G, Leth Jeppesen, L, Petersen, A, Reichmann, H, Becker, U, Dzialkowski, I, Hentschel, H, Lautenschlager, C, Hanso, H, Gahn, G, Ziemssen, T, Fleischer, K, Sehr, B, McCabe, DJH, Tobin, O, Kinsella, J, Murphy, RP, Jander, S, Hartung, HP, Siebler, M, Bottcher, C, Kohne, A, Platzen, J, Brosig, TC, Rothhammer, V, Henseler, C, Neumann-Haefelin, T, Singer, OC, Ermis, U, dos Santos, IMRM, Schuhmann, C, van de Loo, S, Kaps, M, Allendorfer, J, Tanislav, C, Brandtner, M, Muir, K, Dani, K, MacDougall, N, Smith, W, Rowe, A, Welch, A, Fazekas, F, Schrotter, G, Krenn, U, Horner, S, Pendl, B, Pluta-Fuerst, A, Trummer, U, Kessler, C, Chatzopoulos, M, v Sarnowski, Bettina, Schminke, Ulf, Link, T, Khaw, A, Nieber, E, Zierz, S, Muller, T, Wegener, N, Wartenberg, K, Gaul, C, Richter, D, Rosenkranz, M, Krützelmann, AC, Hoppe, J, Choe, CU, Narr, S, Magnus, TU, Thomalla, G, Leypoldt, F, Otto, D, Lichy, C, Hacke, W, Barrows, RJ, Tatlisumak, T, Putaala, J, Curtze, S, Metso, M, Willeit, J, Furtner, M, Spiegel, M, Knoflach, MH, Prantl, B, Witte, OW, Brämer, D, Günther, A, Prell, T, Herzau, C, Aurich, K, Deuschl, G, Wodarg, F, Zimmermann, P, Eschenfelder, CC, Levsen, M, Weber, JR, Marecek, SM, Schneider, D, Michalski, D, Kloppig, W, Küppers-Tiedt, L, Schneider, M, Schulz, A, Matzen, P, Weise, C, Hobohm, C, Meier, H, Langos, R, Urban, D, Gerhardt, I, Thijs, V, Lemmens, R, Marcelis, E, Hulsbosch, C, Aichner, F, Haring, HP, Bach, E, Machado Candido, J, e Silva, AA, Lourenco, M, de Sousa, AIM, Derex, L, Cho, TH, Díez-Tejedor, E, Fuentes, B, Martínez-Sanchez, P, Pérez-Guevara, MI, Hamer, H, Metz, A, Hallenberger, K, Müller, P, Baron, P, Bersano, A, Gattinoni, M, Vella, N, Mallia, M, Jauss, M, Adam, L, Heidler, F, Gube, C, Kiszka, M, Dichgans, M, Karpinska, A, Mewald, Y, Straub, V, Dörr, A, Zollver, A, Ringelstein, EB, Schilling, M, Borchert, A, Preuth, N, Duning, T, Kuhlenbäumer, G, Schulte, D, Rothwell, PM, Marquardt, L, Schlachetzki, F, Boy, S, Mädl, J, Ertl, GM, Fehm, NPR, Stadler, C, Benecke, R, Dudesek, A, Kolbaske, S, Lardurner, G, Sulzer, C, Zerbs, A, Lilek, S, Walleczek, AM, Sinadinowska, D, Janelidze, M, Beridze, M, Lobjanidze, N, Dzagnidze, A, Melms, A, Horber, K, Fink, I, Liske, B, Ludolph, AC, Huber, R, Knauer, K, Hendrich, C, Raubold, S, Czlonkowska, A, Baranowska, A, Blazejewska-Hyzorek, B, Lang, W, Kristoferitsch, W, Ferrari, J, Ulrich, E, Flamm-Horak, A, Lischka-Lindner, A, Schreiber, W, Demarin, V, Tranjec, Z, Bosner-Puretic, M, Jurašić, MJ, Basic Kes, V, Budisic, M, and Kopacevic, L

Published
2013
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7. Untersuchung von NfL und pNfH im Liquor von Jugendlichen und Erwachsenen mit spinaler Muskelatrophie (SMA) Typ 2 und 3 unter der Therapie mit Nusinersen

Author

Wurster, C, additional, Günther, R, additional, Steinacker, P, additional, Dreyhaupt, J, additional, Wollinsky, K, additional, Uzelac, Z, additional, Witzel, S, additional, Kocak, T, additional, Winter, B, additional, Koch, J, additional, Lingor, P, additional, Petri, S, additional, Ludolph, AC, additional, Hermann, A, additional, and Otto, M, additional

Published
2019
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9. Therapie mit Edaravone bei der Amyotrophen Lateralsklerose

Author

Witzel, S, additional, Hübers, A, additional, Michels, S, additional, Petri, S, additional, Lingor, P, additional, Koch, C, additional, Hermann, A, additional, Günther, R, additional, Wolf, J, additional, Weishaupt, JH, additional, Otto, M, additional, and Ludolph, AC, additional

Published
2019
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10. Eine hochkalorische, fettreiche Nahrungsergänzung für ALS-Patienten: Ergebnisse einer multizentrischen, randomisierten, placebo-kontrollierten Studie im Deutschen Netzwerk für Motoneuronerkrankungen (LIPCAL-ALS-Studie)

Author

Dorst, J, additional, Schuster, J, additional, Dupuis, L, additional, Dreyhaupt, J, additional, Kassubek, J, additional, Meyer, T, additional, Grehl, T, additional, Hermann, A, additional, Zierz, S, additional, Petri, S, additional, Großkreutz, J, additional, Deschauer, M, additional, Boentert, M, additional, Storch, A, additional, Schrank, B, additional, Zeller, D, additional, and Ludolph, AC, additional

Published
2019
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16. Placebo effect characteristics observed in a single, international, longitudinal study in Huntington's disease

Author

Cubo, E, González, M, del Puerto, I, de Yébenes, Jg, Arconada, Of, Gabriel Galán, Jm, Ehdi, Sg, Zangerl, A, Seppi, K, Wenning, G, Poewe, W, Foeldy, D, Auff, E, Schober, T, Wenzel, K, Ott, E, Walli, J, Leblhuber, F, Dürr, A, Bloch, F, Messouak, O, Tallaksen, C, Dubois, B, Guillamo, Js, Bachoud Lévi, Ac, Engles, A, Krystkowiak, P, Destée, A, Memin, A, Thibaut Tanchou, S, Pasquier, F, Azulay, Jp, Demonet, Jf, Galitzky, M, Rascol, O, Mollion, H, Broussolle, E, Madigand, M, Lallement, F, Goizet, C, Tison, F, Arguillère, S, Viallet, F, Bakchine, S, Khoris, J, Pages, M, Camu, W, Resch, F, Hannequin, D, Durif, F, Saudeau, D, Autret, A, Andrich, J, Saft, C, Kraus, Ph, Przuntek, H, Ecker, D, Kramer, B, Landwehrmeyer, Gb, Ludolph, Ac, Priller, J, Meierkord, H, Kuznik, D, Dose, M, Squitieri, F, Albanese, A, Abbruzzese, Giovanni, Filla, A, van de Warrenburg, B, de Jong, D, Kremer, H, van Vugt, J, Grimbergen, Y, Roos, R, Gawel, M, Janik, P, Kowalczys, H, Pilczuk, B, Kwiecinski, H, Świat, M, Ochudło, S, Modestowicz, R, Niezgoda, A, Łukasik, M, Lukasik, M, García Ruiz, P, Descals, Am, Rojo, A, Fontán, A, Hernández, J, Cantarero, S, Fanjul, S, Alegre, J, Roldán, Sg, Mateo, D, Burguera, Ja, Solis, P, Calopa, M, Jaumà, S, Bas, J, Tolosa, E, Muñoz, Je, Gámez, J, Cervera, C, Zarranz, Jj, Lezcano, E, Gómez, Jc, Chacón, J, Dinca, L, Gamero, Ma, Redondo, L, Castro, A, Sesar, A, López del Val, J, López, E, Ríos, C, Castillio, V, Burgunder, Jm, Nirkko, A, Kälin, A, Vingerhoets, F, and Wider, C.

Published
2012

45. Wie hoch liegen die Personalkosten für die Durchführung einer OSCE mit Simulationspatienten?Eine Kostenaufstellung nach betriebswirtschaftlichen Gesichtspunkten

Author

Rau, T, Brettschneider, J, Weber, YG, Kassubek, J, Ludolph, AC, Fegert, JM, and Liebhardt, H

Subjects
ddc: 610, 610 Medical sciences, Medicine
Abstract

Zielsetzung: Um die Überprüfung von klinisch-praktischen Fertigkeiten von Studierenden im Medizinstudium zu bewerten, eignet sich eine OSCE (objective structured clinical examination). Sie ist mit einem hohen Personaleinsatz verbunden. Insbesondere für Fächer mit geringen Ressourcen[for full text, please go to the a.m. URL], Jahrestagung der Gesellschaft für Medizinische Ausbildung (GMA)

Published
2010
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46. Weight loss in Huntington disease increases with higher CAG repeat number

Author

Aziz, Na, van der Burg, Jm, Landwehrmeyer, Gb, Brundin, P, Stijnen, T, Ehdi, Sg, Roos, Ra, Zangerl, A, Seppi, K, Wenning, G, Poewe, W, Foeldy, D, Auff, E, Schober, T, Wenzel, K, Ott, E, Walli, J, Leblhuber, F, Dürr, A, Bloch, F, Messouak, O, Tallaksen, C, Dubois, B, Guillamo, Js, Bachoud Lévi, Ac, Engles, A, Krystkowiak, P, Destée, A, Memin, A, Thibaut Tanchou, S, Pasquier, F, Azulay, Jp, Demonet, Jf, Galitzky, M, Rascol, O, Mollion, H, Broussolle, E, Madigand, M, Lallement, F, Goizet, C, Tison, F, Arguillère, S, Viallet, F, Bakchine, S, Khoris, J, Pages, M, Camu, W, Resch, F, Hannequin, D, Durif, F, Saudeau, D, Autret, A, Andrich, J, Saft, C, Kraus, Ph, Przuntek, H, Ecker, D, Kramer, B, Ludolph, Ac, Priller, J, Meierkord, H, Kuznik, D, Dose, M, Squitieri, F, Albanese, A, Abbruzzese, Giovanni, Filla, A, van de Warrenburg, B, de Jong, D, Kremer, H, van Vugt, J, Grimbergen, Y, Roos, R, Gawel, M, Janik, P, Kowalczys, H, Pilczuk, B, Kwiecinski, H, Swiat, M, Ochudło, S, Modestowicz, R, Niezgoda, A, Łukasik, M, Garcia de Yébenes, J, García Ruiz, P, Martínez Descals, A, Rojo, A, Fontán, A, Hernández, J, Cantarero, S, Fanjul, S, Alegre, J, Giménez Roldán, S, Mateo, D, Burguera, Ja, Solis, P, Calopa, M, Jaumà, S, Bas, J, Tolosa, E, Muñoz, Je, Gámez, J, Cervera, C, Zarranz, Jj, Lezcano, E, Gómez, Jc, Chacón, J, Dinca, L, Gamero, Ma, Redondo, L, Castro, A, Sesar, A, López del Val, J, López, E, Ríos, C, Castillio, V, Burgunder, Jm, Nirkko, A, Kälin, A, Vingerhoets, F, Wider, C., N. A., Aziz, J. M., M, G. B., Landwehrmeyer, P., Brundin, T., Stijnen, E. H. D., R. A. C., and Filla, Alessandro

Subjects
Male, Pathology, therapeutic use, Nuclear Protein, Neurology, Disease, Body Mass Index, Placebos, Mice, Degenerative disease, Trinucleotide Repeats, Weight loss, genetics, Huntingtin Protein, Riluzole, Nuclear Proteins, Middle Aged, Huntington Disease, Neuroprotective Agents, Inbred C57BL, Mice, genetics/metabolism, Placebos, Riluzole, Female, medicine.symptom, Psychology, Adult, congenital, hereditary, and neonatal diseases and abnormalities, medicine.medical_specialty, Mice, Transgenic, Nerve Tissue Proteins, Animal, Energy Intake, Female, Humans, Huntington Disease, Central nervous system disease, therapeutic use, Trinucleotide Repeats, Weight Lo, Internal medicine, Weight Loss, mental disorders, medicine, Animals, Humans, Hereditary Neurodegenerative Disorder, Transgenic, Middle Aged, Nerve Tissue Protein, Aged, drug therapy/genetics/physiopathology, Male, Mice, Mice, Body Weight, medicine.disease, Adult, Aged, Animals, Body Mass Index, Body Weight, Disease Model, Mice, Inbred C57BL, Disease Models, Animal, Endocrinology, genetics/metabolism, Neuroprotective Agent, Neurology (clinical), Energy Intake, Body mass index
Abstract

Huntington disease (HD) is a hereditary neurodegenerative disorder caused by an expanded number of CAG repeats in the huntingtin gene. A hallmark of HD is unintended weight loss, the cause of which is unknown. In order to elucidate the underlying mechanisms of weight loss in HD, we studied its relation to other disease characteristics including motor, cognitive, and behavioral disturbances and CAG repeat number.In 517 patients with early stage HD, we applied mixed-effects model analyses to correlate weight changes over 3 years to CAG repeat number and various components of the Unified Huntington's Disease Rating Scale (UHDRS). We also assessed the relation between CAG repeat number and body weight and caloric intake in the R6/2 mouse model of HD.In patients with HD, mean body mass index decreased with -0.15 units per year (p < 0.001). However, no single UHDRS component, including motor, cognitive, and behavioral scores, was independently associated with the rate of weight loss. Patients with HD with a higher CAG repeat number had a faster rate of weight loss. Similarly, R6/2 mice with a larger CAG repeat length had a lower body weight, whereas caloric intake increased with larger CAG repeat length.Weight loss in Huntington disease (HD) is directly linked to CAG repeat length and is likely to result from a hypermetabolic state. Other signs and symptoms of HD are unlikely to contribute to weight loss in early disease stages. Elucidation of the responsible mechanisms could lead to effective energy-based therapeutics.

Published
2008

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