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5. III Congreso Ibero-Latinoamericano de la Madera en la Construcción CIMAD 24.

Author

Osuna, Carlos and Hermoso, Eva

Subjects
FOREST management, SUSTAINABLE forestry, TECHNOLOGICAL innovations, ARCHITECTURE, FORESTRY engineering
Abstract

The article offers information on the III Congreso Ibero-Latinoamericano de la Madera en la Construcción CIMAD 24, which took place from June 10-14, 2024, in Madrid, Spain. Topics include sustainable forest management and technological advancements, the role of wood in architecture and engineering, and the significance of regional collaboration and industry participation.

Published
2024

8. Considerations on variability in acoustic measurements in timber property assessment.

Author

Osuna-Sequera, Carlos, Hermoso, Eva, Fernandez-Golfin, Juan, and Luengo, Emilio

Subjects
FOREST measurement, ACOUSTIC measurements, VALUATION of real property, POSITION sensors, LENGTH measurement, OTOACOUSTIC emissions, MODULUS of elasticity
Abstract

Reliability of measurement with acoustic NDT applied to timber structures improves in-situ assessments. The aim of this research is to carry out simulated in-situ measurements with acoustic NDT devices in order to analyse the influence of different sensor positions, repeatability and measurement lengths. Time-of-Flight and dynamic modulus of elasticity (MOEdyn) variability were quantified on the faces and edges of Scots pine timber from a sawmill. A comparison was also made of the models obtained at different distances between the sensors and a mean model independent of the distance between the sensors. Linear regressions between the static modulus of elasticity (MOEsta) and MOEdyn or wave velocity depending on the distance between sensors yielded coefficients of determination (R2) from 0.59 to 0.86 and residual standard errors (StE) from 737 to 1232 N mm−2. It was found that measurements taken at 1 m distance did not represent the piece as a whole, and that mean statistical models provided a better relationship, increasing by up to 14% in R2 and decreasing StE by up to 11%. It is concluded that in order to obtain a reliable model (MOEsta vs. MOEdyn) at least 2 measurements are required at different positions on each piece of the batch. [ABSTRACT FROM AUTHOR]

Published
2023
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12. Non-destructive determination of core-transition-outer wood of Pinus nigra combining FTIR spectroscopy and prediction models

Author

Ingeniería química y del medio ambiente, Ingeniaritza kimikoa eta ingurumenaren ingeniaritza, Herrera Díaz, René, Hermoso, Eva, Labidi Bouchrika, Jalel, Fernández-Golfín Seco, Juan Ignacio, Ingeniería química y del medio ambiente, Ingeniaritza kimikoa eta ingurumenaren ingeniaritza, Herrera Díaz, René, Hermoso, Eva, Labidi Bouchrika, Jalel, and Fernández-Golfín Seco, Juan Ignacio

Abstract

The early detection of wood quality by using advanced analytical non-destructive methods is an ongoing area of research and is highly interesting for the forest-based sector. The presence of core wood has negative effects on the performance of this material; hence, it is essential to identify this region as well as to define the endpoint where the region defined as transition wood begins. The purpose of this study was to apply a novel methodology for wood quality classification, based on FTIR spectroscopy, in combination with chemometrics, generating models capable of differentiating and predicting core wood, transition, and outer wood of Pinus nigra. This study also attempts to classify which specific IR bands define the chemical differentiation of woody regions. The results of the predictive models generated were satisfactory, attaining a full identification of classes with a non-linear SVM-DA model showing higher correlation coefficients than the generated linear SIMCA and PLS-DA models. SIMCA and PLS-DA were suitable for bands contrast and for categorizing the IR fingerprint in relation to the coretransition-outer regions. This study presents discriminative models generated from a non-destructive and relatively fast IR methodology with high correlation coefficients, thus improving the existing methods that are currently practiced for identifying wood quality. However, the database requires progressive calibration and adjustments to have acceptable reliability when validating the methods over time.

Published
2022

15. Identification of genetic variants associated with Huntington's disease progression

Author

Davina J Hensman Moss, Antonio F Pardiñas, Douglas Langbehn, Kitty Lo, Blair R Leavitt, Raymund Roos, Alexandra Durr, Simon Mead, Peter Holmans, Lesley Jones, Sarah J Tabrizi, A Coleman, R Dar Santos, J Decolongon, A Sturrock, E Bardinet, C Jauff Ret, D Justo, S Lehericy, C Marelli, K Nigaud, R Valabrègue, SJA van den Bogaard, E M Dumas, J van der Grond, EP t'Hart, C Jurgens, M-N Witjes-Ane, N Arran, J Callaghan, C Stopford, C Frost, R Jones, N Hobbs, N Lahiri, R Ordidge, G Owen, T Pepple, J Read, M Say, E Wild, A Patel, N C Fox, C Gibbard, I Malone, H Crawford, D Whitehead, S Keenan, D M Cash, C Berna, N Bechtel, S Bohlen, A Hoff Man, P Kraus, E Axelson, C Wang, T Acharya, S Lee, W Monaco, C Campbell, S Queller, K Whitlock, M Campbell, E Frajman, C Milchman, A O'Regan, I Labuschagne, J Stout, B Landwehrmeyer, D Craufurd, R Scahill, S Hicks, C Kennard, H Johnson, A Tobin, HD Rosas, R Reilmann, B Borowsky, C Pourchot, S C Andrews, Anne-Catherine Bachoud-Lévi, Anna Rita Bentivoglio, Ida Biunno, Raphael Bonelli, Jean-Marc Burgunder, Stephen Dunnett, Joaquim Ferreira, Olivia Handley, Arvid Heiberg, Torsten Illmann, G. Bernhard Landwehrmeyer, Jamie Levey, Maria A. Ramos-Arroyo, Jørgen Nielsen, Susana Pro Koivisto, Markku Päivärinta, Raymund A.C. Roos, A Rojo Sebastián, Sarah Tabrizi, Wim Vandenberghe, Christine Verellen-Dumoulin, Tereza Uhrova, Jan Wahlström, Jacek Zaremba, Verena Baake, Katrin Barth, Monica Bascuñana Garde, Sabrina Betz, Reineke Bos, Jenny Callaghan, Adrien Come, Leonor Correia Guedes, Daniel Ecker, Ana Maria Finisterra, Ruth Fullam, Mette Gilling, Lena Gustafsson, Olivia J Handley, Carina Hvalstedt, Christine Held, Kerstin Koppers, Claudia Lamanna, Matilde Laurà, Asunción Martínez Descals, Saül Martinez-Horta, Tiago Mestre, Sara Minster, Daniela Monza, Lisanne Mütze, Martin Oehmen, Michael Orth, Hélène Padieu, Laurent Paterski, Nadia Peppa, Martina Di Renzo, Amandine Rialland, Niini Røren, Pavla Šašinková, Erika Timewell, Jenny Townhill, Patricia Trigo Cubillo, Wildson Vieira da Silva, Marleen R van Walsem, Carina Whalstedt, Marie-Noelle Witjes-Ané, Grzegorz Witkowski, Abigail Wright, Daniel Zielonka, Eugeniusz Zielonka, Paola Zinzi, Raphael M. Bonelli, Sabine Lilek, Karen Hecht, Brigitte Herranhof, Anna Holl, Hans-Peter Kapfhammer, Michael Koppitz, Markus Magnet, Nicole Müller, Daniela Otti, Annamaria Painold, Karin Reisinger, Monika Scheibl, Helmut Schöggl, Jasmin Ullah, Eva-Maria Braunwarth, Florian Brugger, Lisa Buratti, Eva-Maria Hametner, Caroline Hepperger, Christiane Holas, Anna Hotter, Anna Hussl, Christoph Müller, Werner Poewe, Klaus Seppi, Fabienne Sprenger, Gregor Wenning, Andrea Boogaerts, Godelinde Calmeyn, Isabelle Delvaux, Dirk Liessens, Nele Somers, Michel Dupuit, Cécile Minet, Dominique van Paemel, Pascale Ribaï, Dimphna van Reijen, Jirí Klempír, Veronika Majerová, Jan Roth, Irena Stárková, Lena E. Hjermind, Oda Jacobsen, Jørgen E. Nielsen, Ida Unmack Larsen, Tua Vinther-Jensen, Heli Hiivola, Hannele Hyppönen, Kirsti Martikainen, Katri Tuuha, Philippe Allain, Dominique Bonneau, Marie Bost, Bénédicte Gohier, Marie-Anne Guérid, Audrey Olivier, Adriana Prundean, Clarisse Scherer-Gagou, Christophe Verny, Blandine Babiloni, Sabrina Debruxelles, Charlotte Duché, Cyril Goizet, Laetitia Jameau, Danielle Lafoucrière, Umberto Spampinato, Rekha Barthélémy, Christelle De Bruycker, Maryline Cabaret Anne-Sophie Carette, Eric Decorte Luc Defebvre, Marie Delliaux, Arnaud Delval, Alain Destee, Kathy Dujardin, Marie-Hélène Lemaire, Sylvie Manouvrier, Mireille Peter, Lucie Plomhouse, Bernard Sablonnière, Clémence Simonin, Stéphanie Thibault-Tanchou, Isabelle Vuillaume, Marcellin Bellonet, Hassan Berrissoul, Stéphanie Blin, Françoise Courtin, Cécile Duru, Véronique Fasquel, Olivier Godefroy, Pierre Krystkowiak, Béatrice Mantaux, Martine Roussel, Sandrine Wannepain, Jean-Philippe Azulay, Marie Delfini, Alexandre Eusebio, Frédérique Fluchere, Laura Mundler, Mathieu Anheim, Celine Julié, Ouhaid Lagha Boukbiza, Nadine Longato, Gabrielle Rudolf, Christine Tranchant, Marie-Agathe Zimmermann, Christoph Michael Kosinski, Eva Milkereit, Daniela Probst, Kathrin Reetz, Christian Sass, Johannes Schiefer, Christiane Schlangen, Cornelius J. Werner, Harald Gelderblom, Josef Priller, Harald Prüß, Eike Jakob Spruth, Gisa Ellrichmann, Lennard Herrmann, Rainer Hoffmann, Barbara Kaminski, Peter Kotz, Christian Prehn, Carsten Saft, Herwig Lange, Robert Maiwald, Matthias Löhle, Antonia Maass, Simone Schmidt, Cecile Bosredon, Alexander Storch, Annett Wolz, Martin Wolz, Philipp Capetian, Johann Lambeck, Birgit Zucker, Kai Boelmans, Christos Ganos, Walburgis Heinicke, Ute Hidding, Jan Lewerenz, Alexander Münchau, Jenny Schmalfeld, Lars Stubbe, Simone Zittel, Gabriele Diercks, Dirk Dressler, Heike Gorzolla, Christoph Schrader, Pawel Tacik, Michael Ribbat, Bernhard Longinus, Katrin Bürk, Jens Carsten Möller, Ida Rissling, Mark Mühlau, Alexander Peinemann, Michael Städtler, Adolf Weindl, Juliane Winkelmann, Cornelia Ziegler, Natalie Bechtel, Heike Beckmann, Stefan Bohlen, Eva Hölzner, Ralf Reilmann, Stefanie Rohm, Silke Rumpf, Sigrun Schepers, Natalia Weber, Matthias Dose, Gabriele Leythäuser, Ralf Marquard, Tina Raab, Alexandra Wiedemann, Andrea Buck, Julia Connemann, Carolin Geitner, Andrea Kesse, Bernhard Landwehrmeyer, Christina Lang, Franziska Lezius, Solveig Nepper, Anke Niess, Ariane Schneider, Daniela Schwenk, Sigurd Süßmuth, Sonja Trautmann, Patrick Weydt, Claudia Cormio, Vittorio Sciruicchio, Claudia Serpino, Marina de Tommaso, Sabina Capellari, Pietro Cortelli, Roberto Galassi, Giovanni Rizzo, Roberto Poda, Cesa Scaglione, Elisabetta Bertini, Elena Ghelli, Andrea Ginestroni, Francesca Massaro, Claudia Mechi, Marco Paganini, Silvia Piacentini, Silvia Pradella, Anna Maria Romoli, Sandro Sorbi, Giovanni Abbruzzese, Monica Bandettini di Poggio, Giovanna Ferrandes, Paola Mandich, Roberta Marchese, Alberto Albanese, Daniela Di Bella, Anna Castaldo, Stefano Di Donato, Cinzia Gellera, Silvia Genitrini, Caterina Mariotti, Lorenzo Nanetti, Dominga Paridi, Paola Soliveri, Chiara Tomasello, Giuseppe De Michele, Luigi Di Maio, Marco Massarelli, Silvio Peluso, Alessandro Roca, Cinzia Valeria Russo, Elena Salvatore, Pierpaolo Sorrentino, Enrico Amico, Mariagrazia Favellato, Annamaria Griguoli, Irene Mazzante, Martina Petrollini, Ferdinando Squitieri, Barbara D'Alessio, Chiara Esposito, Rita Bentivoglio, Marina Frontali, Arianna Guidubaldi, Tamara Ialongo, Gioia Jacopini, Carla Piano, Silvia Romano, Francesco Soleti, Maria Spadaro, Monique S.E. van Hout, Marloes E. Verhoeven, Jeroen P.P. van Vugt, A. Marit de Weert, J.J.W. Bolwijn, M. Dekker, B. Kremer, K.L. Leenders, J.C.H. van Oostrom, Simon J.A. van den Bogaard, Eve M. Dumas, Ellen P. 't Hart, Berry Kremer, C.C.P. Verstappen, Olaf Aaserud, Jan Frich C, Ragnhild Wehus, Kathrine Bjørgo, Madeleine Fannemel, Per F. Gørvell, Eirin Lorentzen, Lars Retterstøl, Bodil Stokke, Inga Bjørnevoll, Sigrid Botne Sando, Artur Dziadkiewicz, Malgorzata Nowak, Piotr Robowski, Emilia Sitek, Jaroslaw Slawek, Witold Soltan, Michal Szinwelski, Magdalena Blaszcyk, Magdalena Boczarska-Jedynak, Ewelina Ciach-Wysocka, Agnieszka Gorzkowska, Barbara Jasinska-Myga, Gabriela Klodowska-Duda, Gregorz Opala, Daniel Stompel, Krzysztof Banaszkiewicz, Dorota Bocwinska, Kamila Bojakowska-Jaremek, Malgorzata Dec, Malgorzata Krawczyk, Monika Rudzinska, Elzbieta Szczygiel, Andrzej Szczudlik, Anna Wasielewska, Magdalena Wójcik, Anna Bryl, Anna Ciesielska, Aneta Klimberg, Jerzy Marcinkowski, Husam Samara, Justyna Sempolowicz, Anna Gogol, Piotr Janik, Hubert Kwiecinski, Zygmunt Jamrozik, Jakub Antczak, Katarzyna Jachinska, Wioletta Krysa, Maryla Rakowicz, Przemyslaw Richter, Rafal Rola, Danuta Ryglewicz, Halina Sienkiewicz-Jarosz, Iwona Stepniak, Anna Sulek, Elzbieta Zdzienicka, Karolina Zieora-Jakutowicz, Joaquim J Ferreira, Miguel Coelho, Tiago Mendes, Anabela Valadas, Carlos Andrade, Miguel Gago, Carolina Garrett, Maria Rosália Guerra, Carmen Durán Herrera, Patrocinio Moreno Garcia, Miquel Aguilar Barbera, Dolors Badenes Guia, Laura Casas Hernanz, Judit López Catena, Pilar Quiléz Ferrer, Ana Rojo Sebastián, Gemma Tome Carruesco, Jordi Bas, Núria Busquets, Matilde Calopa, Misericordia Floriach Robert, Celia Mareca Viladrich, Jesús Miguel Ruiz Idiago, Antonio Villa Riballo, Esther Cubo, Cecilia Gil Polo, Natividad Mariscal, Perez Jessica Rivadeneyra, Francisco Barrero, Blas Morales, María Fenollar, Rocío García-Ramos García, Paloma Ortega, Clara Villanueva, Javier Alegre, Mónica Bascuñana, Juan Garcia Caldentey, Marta Fatás Ventura, Guillermo García Ribas, Justo García de Yébenes, José Luis López-Sendón Moreno, Fernando Alonso Frech, Pedro J García Ruíz, Asunción Martínez-Descals, Rosa Guerrero, María José Saiz Artiga, Vicenta Sánchez, María Fuensanta Noguera Perea, Lorenza Fortuna, Salvadora Manzanares, Gema Reinante, María Martirio Antequera Torres, Laura Vivancos Moreau, Sonia González González, Luis Menéndez Guisasola, Carlos Salvador, Esther Suaréz San Martín, Inés Legarda Ramirez, Aranzazú Gorospe, Mónica Rodriguez Lopera, Penelope Navas Arques, María José Torres Rodríguez, Barbara Vives Pastor, Itziar Gaston, Maria Dolores Martinez-Jaurrieta, Jose Manuel Garcia Moreno, Carolina Mendez Lucena, Fatima Damas, Hermoso Eva Pacheco Cortegana, José Chacón Peña, Luis Redondo, Fátima Carrillo, María Teresa Cáceres, Pablo Mir, María José Lama Suarez, Laura Vargas-González, Maria E. Bosca, Francisco Castera Brugada, Juan Andres Burguera, Anabel Campos, Garcia Carmen Peiró Vilaplana, Peter Berglund, Radu Constantinescu, Gunnel Fredlund, Ulrika Høsterey-Ugander, Petra Linnsand, Liselotte Neleborn-Lingefjärd, Magnus Wentzel, Ghada Loutfi, Carina Olofsson, Eva-Lena Stattin, Laila Westman, Birgitta Wikström, Yanik Stebler, Alain Kaelin, Irene Romero, Michael Schüpbach, Sabine Weber Zaugg, Maria Hauer, Roman Gonzenbach, Hans H. Jung, Violeta Mihaylova, Jens Petersen, Roisin Jack, Kirsty Matheson, Zosia Miedzybrodzka, Daniela Rae, Sheila A Simpson, Fiona Summers, Alexandra Ure, Vivien Vaughan, Shahbana Akhtar, Jenny Crooks, Adrienne Curtis, Jenny de Souza, John Piedad, Hugh Rickards, Jan Wright, Elizabeth Coulthard, Louise Gethin, Beverley Hayward, Kasia Sieradzan, Matthew Armstrong, Roger A. Barker, Deidre O'Keefe, Anna Di Pietro, Kate Fisher, Anna Goodman, Susan Hill, Ann Kershaw, Sarah Mason, Nicole Paterson, Lucy Raymond, Rachel Swain, Natalie Valle Guzman, Monica Busse, Cynthia Butcher, Catherine Clenaghan, Sarah Hunt, Una Jones, Hanan Khalil, Michael Owen, Kathleen Price, Anne Rosser, Maureen Edwards, Carrie Ho, Teresa Hughes, Marie McGill, Pauline Pearson, Mary Porteous, Paul Smith, Peter Brockie, Jillian Foster, Nicola Johns, Sue McKenzie, Jean Rothery, Gareth Thomas, Shona Yates, Liz Burrows, Carol Chu, Amy Fletcher, Deena Gallantrae, Stephanie Hamer, Alison Harding, Stefan Klöppel, Alison Kraus, Fiona Laver, Monica Lewis, Mandy Longthorpe, Ivana Markova, Ashok Raman, Nicola Robertson, Mark Silva, Aileen Thomson, Sue Wild, Pam Yardumian, Carole Evans, Deena Gallentrae, Emma Hobson, Stuart Jamieson, Hannah Musgrave, Liz Rowett, Jean Toscano, Colin Bourne, Jackie Clapton, Carole Clayton, Heather Dipple, Dawn Freire-Patino, Janet Grant, Diana Gross, Caroline Hallam, Julia Middleton, Ann Murch, Catherine Thompson, Sundus Alusi, Rhys Davies, Kevin Foy, Emily Gerrans, Louise Pate, Thomasin Andrews, Andrew Dougherty, Charlotte Golding, Fred Kavalier, Hana Laing, Alison Lashwood, Dene Robertson, Deborah Ruddy, Alastair Santhouse, Anna Whaite, Stefania Bruno, Karen Doherty, Salman Haider, Davina Hensman, Nayana Lahiri, Marianne Novak, Aakta Patel, Elisabeth Rosser, Rachel Taylor, Thomas Warner, Edward Wild, Natalie Arran, Judith Bek, David Craufurd, Marianne Hare, Liz Howard, Susan Huson, Liz Johnson, Mary Jones, Helen Murphy, Emma Oughton, Lucy Partington-Jones, Dawn Rogers, Andrea Sollom, Julie Snowden, Cheryl Stopford, Jennifer Thompson, Iris Trender-Gerhard, Nichola Verstraelen, Leann Westmoreland, Richard Armstrong, Kathryn Dixon, Andrea H Nemeth, Gill Siuda, Ruth Valentine, David Harrison, Max Hughes, Andrew Parkinson, Beverley Soltysiak, Oliver Bandmann, Alyson Bradbury, Paul Gill, Helen Fairtlough, Kay Fillingham, Isabella Foustanos, Mbombe Kazoka, Kirsty O'Donovan, Cat Taylor, Katherine Tidswell, Oliver Quarrell, Puay Ngoh Lau, Emmanul Pica, Louis Tan, Univ Angers, Okina, Moss, Davina J. Hensman, Tabrizi, Sarah J, Mead, Simon, Kitty, Lo, Pardiã±as, Antonio F, Holmans, Peter, Jones, Lesley, Langbehn, Dougla, Coleman, A., Santos, R. Dar, Decolongon, J., Sturrock, A., Bardinet, E., Ret, C. Jauff, Justo, D., Lehericy, S., Marelli, C., Nigaud, K., Valabrãgue, R., van den Bogaard, S. J. A., Dumas, E. M., van der Grond, J., T'Hart, E. P., 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, H. D., 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, Jã¸rgen, Koivisto, Susana Pro, Pã¤ivã¤rinta, Markku, Roos, Raymund A. C., Sebastiã¡n, A. Rojo, Tabrizi, Sarah, Vandenberghe, Wim, Verellen-Dumoulin, Christine, Uhrova, Tereza, Wahlstrã¶m, 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, Laurã , Matilde, Descals, Asunción Martínez, Martinez-Horta, Saã¼l, Mestre, Tiago, Minster, Sara, Monza, Daniela, Mã¼tze, Lisanne, Oehmen, Martin, Orth, Michael, Padieu, Hã©lãne, Paterski, Laurent, Peppa, Nadia, Di Renzo, Martina, Rialland, Amandine, Rã¸ren, Niini, Å aå¡inkovã¡, 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, Marku, Mã¼ller, Nicole, Otti, Daniela, Painold, Annamaria, Reisinger, Karin, Scheibl, Monika, Schã¶ggl, Helmut, Ullah, Jasmin, Braunwarth, Eva-Maria, Brugger, Florian, Buratti, Lisa, Hametner, Eva-Maria, Hepperger, Caroline, Holas, Christiane, Hotter, Anna, Hussl, Anna, Mã¼ller, Christoph, Poewe, Werner, Seppi, Klau, Sprenger, Fabienne, Wenning, Gregor, Boogaerts, Andrea, Calmeyn, Godelinde, Delvaux, Isabelle, Liessens, Dirk, Somers, Nele, Dupuit, Michel, Minet, Cã©cile, van Paemel, Dominique, Ribaã¯, Pascale, van Reijen, Dimphna, Klempã­r, Jirã­, Majerovã¡, Veronika, Roth, Jan, Stã¡rkovã¡, Irena, Hjermind, Lena E., Jacobsen, Oda, Nielsen, Jørgen E., Larsen, Ida Unmack, Vinther-Jensen, Tua, Hiivola, Heli, Hyppã¶nen, Hannele, Martikainen, Kirsti, Tuuha, Katri, Allain, Philippe, Bonneau, Dominique, Bost, Marie, Gohier, Bã©nã©dicte, Guã©rid, Marie-Anne, Olivier, Audrey, Prundean, Adriana, Scherer-Gagou, Clarisse, Verny, Christophe, Babiloni, Blandine, Debruxelles, Sabrina, Duchã©, Charlotte, Goizet, Cyril, Jameau, Laetitia, Lafoucriãre, Danielle, Spampinato, Umberto, Barthã©lã©my, Rekha, De Bruycker, Christelle, Carette, Maryline Cabaret Anne-Sophie, Defebvre, Eric Decorte Luc, Delliaux, Marie, Delval, Arnaud, Destee, Alain, Dujardin, Kathy, Lemaire, Marie-HélÃne, Manouvrier, Sylvie, Peter, Mireille, Plomhouse, Lucie, Sablonniãre, Bernard, Simonin, Clã©mence, Thibault-Tanchou, Stã©phanie, Vuillaume, Isabelle, Bellonet, Marcellin, Berrissoul, Hassan, Blin, Stã©phanie, Courtin, Franã§oise, Duru, Cã©cile, Fasquel, Vã©ronique, Godefroy, Olivier, Krystkowiak, Pierre, Mantaux, Bã©atrice, Roussel, Martine, Wannepain, Sandrine, Azulay, Jean-Philippe, Delfini, Marie, Eusebio, Alexandre, Fluchere, Frã©dã©rique, Mundler, Laura, Anheim, Mathieu, Juliã©, 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, Johanne, Schlangen, Christiane, Werner, Cornelius J., Gelderblom, Harald, Priller, Josef, Prã¼ã , Harald, Spruth, Eike Jakob, Ellrichmann, Gisa, Herrmann, Lennard, Hoffmann, Rainer, Kaminski, Barbara, Kotz, Peter, Prehn, Christian, Saft, Carsten, Lange, Herwig, Maiwald, Robert, Lã¶hle, Matthia, Maass, Antonia, Schmidt, Simone, Bosredon, Cecile, Storch, Alexander, Wolz, Annett, Wolz, Martin, Capetian, Philipp, Lambeck, Johann, Zucker, Birgit, Boelmans, Kai, Ganos, Christo, Heinicke, Walburgi, Hidding, Ute, Lewerenz, Jan, Mã¼nchau, Alexander, Schmalfeld, Jenny, Stubbe, Lar, Zittel, Simone, Diercks, Gabriele, Dressler, Dirk, Gorzolla, Heike, Schrader, Christoph, Tacik, Pawel, Ribbat, Michael, Longinus, Bernhard, Bã¼rk, Katrin, Mã¶ller, Jens Carsten, Rissling, Ida, Mã¼hlau, Mark, Peinemann, Alexander, Stã¤dtler, Michael, Weindl, Adolf, Winkelmann, Juliane, Ziegler, Cornelia, Bechtel, Natalie, Beckmann, Heike, Bohlen, Stefan, Hã¶lzner, Eva, Reilmann, Ralf, Rohm, Stefanie, Rumpf, Silke, Schepers, Sigrun, Weber, Natalia, Dose, Matthia, Leythã¤user, 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, Sã¼ã muth, 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, Roberta, Marchese, 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., â t Hart, Ellen P., Kremer, Berry, Verstappen, C. C. P., Aaserud, Olaf, Jan Frich, C., Wehus, Ragnhild, Bjã¸rgo, Kathrine, Fannemel, Madeleine, Gã¸rvell, Per F., Lorentzen, Eirin, Retterstã¸l, Lar, Stokke, Bodil, Bjã¸rnevoll, 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, Wã³jcik, 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, Carlo, Gago, Miguel, Garrett, Carolina, Guerra, Maria Rosália, Herrera, Carmen Durán, Garcia, Patrocinio Moreno, Barbera, Miquel Aguilar, Guia, Dolors Badene, Hernanz, Laura Casa, Catena, Judit López, Ferrer, Pilar Quiléz, Sebastiã¡n, Ana Rojo, Carruesco, Gemma Tome, Bas, Jordi, Busquets, Nãºria, 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, Bla, Fenollar, Marã­a, Garcã­a, Rocío García-Ramo, Ortega, Paloma, Villanueva, Clara, Alegre, Javier, Bascuã±ana, Mã³nica, Caldentey, Juan Garcia, Ventura, Marta Fatá, Ribas, Guillermo García, de Yébenes, Justo García, Moreno, José Luis López-Sendón, Frech, Fernando Alonso, Ruã­z, Pedro J. García, Martínez-Descals, Asunciã³n, Guerrero, Rosa, Artiga, María José Saiz, Sã¡nchez, Vicenta, Perea, María Fuensanta Noguera, Fortuna, Lorenza, Manzanares, Salvadora, Reinante, Gema, Torres, María Martirio Antequera, Moreau, Laura Vivanco, González González, Sonia, Guisasola, Luis Menéndez, Salvador, Carlo, Martã­n, Esther Suaréz San, Ramirez, Inés Legarda, Gorospe, Aranzazãº, Lopera, Mónica Rodriguez, Arques, Penelope Nava, Rodrã­guez, María José Torre, Pastor, Barbara Vive, Gaston, Itziar, Martinez-Jaurrieta, Maria Dolore, Moreno, Jose Manuel Garcia, Lucena, Carolina Mendez, Damas, Fatima, Cortegana, Hermoso Eva Pacheco, Peã±a, José Chacón, Redondo, Lui, Carrillo, Fã¡tima, Teresa Cáceres, Marã­a, Mir, Pablo, Suarez, María José Lama, Vargas-González, Laura, Bosca, Maria E., Brugada, Francisco Castera, Burguera, Juan Andre, Campos, Anabel, Vilaplana, Garcia Carmen Peiró, Berglund, Peter, Constantinescu, Radu, Fredlund, Gunnel, Høsterey-Ugander, Ulrika, Linnsand, Petra, Neleborn-Lingefjärd, Liselotte, Wentzel, Magnu, Loutfi, Ghada, Olofsson, Carina, Stattin, Eva-Lena, Westman, Laila, Wikstrã¶m, Birgitta, Stebler, Yanik, Kaelin, Alain, Romero, Irene, Schã¼pbach, Michael, Weber Zaugg, Sabine, Hauer, Maria, Gonzenbach, Roman, Jung, Hans H., Mihaylova, Violeta, Petersen, Jen, 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, Una, Khalil, Hanan, Owen, Michael, Price, Kathleen, Rosser, Anne, Edwards, Maureen, Carrie, Ho, 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, Klã¶ppel, 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, Sundu, Davies, Rhy, 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, Thoma, 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, Iri, Verstraelen, Nichola, Westmoreland, Leann, Armstrong, Richard, Dixon, Kathryn, Nemeth, Andrea H, Siuda, Gill, Valentine, Ruth, David, Harrison, 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, Amsterdam Neuroscience - Neurodegeneration, Neurology, Biologie Neurovasculaire et Mitochondriale Intégrée (BNMI), Université d'Angers (UA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Moss, Davina J Hensman, Lo, Kitty, Pardiñas, Antonio F, Santos, R Dar, Ret, C Jauff, Valabrègue, R., Witjes-Ane, M. -N., Man, A Hoff, Bachoud-Lévi, Anne-Catherine, Nielsen, Jørgen, Päivärinta, Markku, Sebastián, A Rojo, Wahlström, Jan, Garde, Monica Bascuñana, Laurà, Matilde, Descals, Asunción Martínez, Martinez-Horta, Saül, Mütze, Lisanne, Padieu, Hélène, Røren, Niini, Šašinková, Pavla, Witjes-Ané, Marie-Noelle, Müller, Nicole, Schöggl, Helmut, Müller, Christoph, Minet, Cécile, Ribaï, Pascale, Klempír, Jirí, Majerová, Veronika, Stárková, Irena, Nielsen, Jørgen E., Hyppönen, Hannele, Gohier, Bénédicte, Guérid, Marie-Anne, Duché, Charlotte, Lafoucrière, Danielle, Barthélémy, Rekha, Lemaire, Marie-Hélène, Sablonnière, Bernard, Simonin, Clémence, Thibault-Tanchou, Stéphanie, Blin, Stéphanie, Courtin, Françoise, Duru, Cécile, Fasquel, Véronique, Mantaux, Béatrice, Fluchere, Frédérique, Julié, Celine, Prüß, Harald, Löhle, Matthia, Münchau, Alexander, Bürk, Katrin, Möller, Jens Carsten, Mühlau, Mark, Städtler, Michael, Hölzner, Eva, Leythäuser, Gabriele, Süßmuth, Sigurd, Marchese, Roberta, DI MAIO, Luigi, ’t Hart, Ellen P., Bjørgo, Kathrine, Gørvell, Per F., Retterstøl, Lar, Bjørnevoll, Inga, Wójcik, Magdalena, Guerra, Maria Rosália, Herrera, Carmen Durán, Catena, Judit López, Ferrer, Pilar Quiléz, Sebastián, Ana Rojo, Busquets, Núria, Idiago, Jesús Miguel Ruiz, Fenollar, María, García, Rocío García-Ramo, Bascuñana, Mónica, Ventura, Marta Fatá, Ribas, Guillermo García, de Yébenes, Justo García, Moreno, José Luis López-Sendón, Ruíz, Pedro J García, Martínez-Descals, Asunción, Artiga, María José Saiz, Sánchez, Vicenta, Perea, María Fuensanta Noguera, Torres, María Martirio Antequera, González González, Sonia, Guisasola, Luis Menéndez, Martín, Esther Suaréz San, Ramirez, Inés Legarda, Gorospe, Aranzazú, Lopera, Mónica Rodriguez, Rodríguez, María José Torre, Peña, José Chacón, Carrillo, Fátima, Teresa Cáceres, María, Suarez, María José Lama, Vargas-González, Laura, Vilaplana, Garcia Carmen Peiró, Høsterey-Ugander, Ulrika, Neleborn-Lingefjärd, Liselotte, Wikström, Birgitta, Schüpbach, Michael, Ho, Carrie, Klöppel, Stefan, Harrison, David, Cardiff University, University of Iowa [Iowa City], University of British Columbia (UBC), CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), UCL, Institute of Neurology [London], National Oceanography Centre [Southampton] (NOC), University of Southampton, Center for NeuroImaging Research-Human MRI Neuroimaging core facility for clinical research [ICM Paris] (CENIR), Institut du Cerveau = Paris Brain Institute (ICM), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), IFR de Neuroimagerie Fonctionnelle (IFR 49), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), CHU Amiens-Picardie, Laboratoire de Neurosciences Fonctionnelles et Pathologies - UR UPJV 4559 (LNFP), Université de Picardie Jules Verne (UPJV), CHirurgie, IMagerie et REgénération tissulaire de l’extrémité céphalique - Caractérisation morphologique et fonctionnelle - UR UPJV 7516 (CHIMERE), TRACK-HD investigators, Pardinas, Antonio F, Langbehn, Douglas, Lee, S Hong, TRACK-HD Investigators, and REGISTRY Investigators

Subjects
0301 basic medicine, Oncology, Registrie, Genome-wide association study, Longitudinal Studie, Disease, Bioinformatics, Severity of Illness Index, Principal Component Analysi, Longitudinal Studies, Registries, [SDV.MHEP] Life Sciences [q-bio]/Human health and pathology, Huntington disease, DNA-Binding Proteins, Settore MED/26 - NEUROLOGIA, Adult, Genome-Wide Association Study, Humans, Huntington Disease, MutS Homolog 3 Protein, Principal Component Analysis, Disease Progression, Neurology (clinical), huntingtin gene, age of onest, Huntington’s disease, Human, medicine.medical_specialty, cag repeat, instability, DNA-Binding Protein, Clinical Neurology, Principal component analysis, Single-nucleotide polymorphism, Biology, 03 medical and health sciences, Huntington's disease, Internal medicine, medicine, SNP, genome-wide association study, medicine.disease, R1, meta-analysis, Minor allele frequency, 030104 developmental biology, Age of onset, Trinucleotide repeat expansion, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract

Background Huntington's disease is caused by a CAG repeat expansion in the huntingtin gene, HTT. Age at onset has been used as a quantitative phenotype in genetic analysis looking for Huntington's disease modifiers, but is hard to define and not always available. Therefore, we aimed to generate a novel measure of disease progression and to identify genetic markers associated with this progression measure. Methods We generated a progression score on the basis of principal component analysis of prospectively acquired longitudinal changes in motor, cognitive, and imaging measures in the 218 indivduals in the TRACK-HD cohort of Huntington's disease gene mutation carriers (data collected 2008–11). We generated a parallel progression score using data from 1773 previously genotyped participants from the European Huntington's Disease Network REGISTRY study of Huntington's disease mutation carriers (data collected 2003–13). We did a genome-wide association analyses in terms of progression for 216 TRACK-HD participants and 1773 REGISTRY participants, then a meta-analysis of these results was undertaken. Findings Longitudinal motor, cognitive, and imaging scores were correlated with each other in TRACK-HD participants, justifying use of a single, cross-domain measure of disease progression in both studies. The TRACK-HD and REGISTRY progression measures were correlated with each other (r=0·674), and with age at onset (TRACK-HD, r=0·315; REGISTRY, r=0·234). The meta-analysis of progression in TRACK-HD and REGISTRY gave a genome-wide significant signal (p=1·12 × 10−10) on chromosome 5 spanning three genes: MSH3, DHFR, and MTRNR2L2. The genes in this locus were associated with progression in TRACK-HD (MSH3 p=2·94 × 10−8 DHFR p=8·37 × 10−7 MTRNR2L2 p=2·15 × 10−9) and to a lesser extent in REGISTRY (MSH3 p=9·36 × 10−4 DHFR p=8·45 × 10−4 MTRNR2L2 p=1·20 × 10−3). The lead single nucleotide polymorphism (SNP) in TRACK-HD (rs557874766) was genome-wide significant in the meta-analysis (p=1·58 × 10−8), and encodes an aminoacid change (Pro67Ala) in MSH3. In TRACK-HD, each copy of the minor allele at this SNP was associated with a 0·4 units per year (95% CI 0·16–0·66) reduction in the rate of change of the Unified Huntington's Disease Rating Scale (UHDRS) Total Motor Score, and a reduction of 0·12 units per year (95% CI 0·06–0·18) in the rate of change of UHDRS Total Functional Capacity score. These associations remained significant after adjusting for age of onset. Interpretation The multidomain progression measure in TRACK-HD was associated with a functional variant that was genome-wide significant in our meta-analysis. The association in only 216 participants implies that the progression measure is a sensitive reflection of disease burden, that the effect size at this locus is large, or both. Knockout of Msh3 reduces somatic expansion in Huntington's disease mouse models, suggesting this mechanism as an area for future therapeutic investigation. Funding The European Commission FP7 NeurOmics project; CHDI Foundation; the Medical Research Council UK; the Brain Research Trust; and the Guarantors of Brain.

Published
2017

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

Author

Moss, Davina J Hensman, Tabrizi, Sarah J, Mead, Simon, Lo, Kitty, Pardiñas, Antonio F, Holmans, Peter, Jones, Lesley, Langbehn, Dougla, 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, S. J. A., Dumas, E. M., van der Grond, J., T'Hart, E. P., 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, H. D., 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, Marku, 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, Klau, 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, Johanne, 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, Matthia, Maass, Antonia, Schmidt, Simone, Bosredon, Cecile, Storch, Alexander, Wolz, Annett, Wolz, Martin, Capetian, Philipp, Lambeck, Johann, Zucker, Birgit, Boelmans, Kai, Ganos, Christo, Heinicke, Walburgi, Hidding, Ute, Lewerenz, Jan, Münchau, Alexander, Schmalfeld, Jenny, Stubbe, Lar, 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, Matthia, 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, Jan Frich, C., Wehus, Ragnhild, Bjørgo, Kathrine, Fannemel, Madeleine, Gørvell, Per F., Lorentzen, Eirin, Retterstøl, Lar, 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, 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Michael, Milkereit, Eva, Probst, Daniela, Reetz, Kathrin, Sass, Christian, Schiefer, Johanne, 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, Matthia, Maass, Antonia, Schmidt, Simone, Bosredon, Cecile, Storch, Alexander, Wolz, Annett, Wolz, Martin, Capetian, Philipp, Lambeck, Johann, Zucker, Birgit, Boelmans, Kai, Ganos, Christo, Heinicke, Walburgi, Hidding, Ute, Lewerenz, Jan, Münchau, Alexander, Schmalfeld, Jenny, Stubbe, Lar, 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, Matthia, 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, 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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, Jan Frich, C., Wehus, Ragnhild, Bjørgo, Kathrine, Fannemel, Madeleine, Gørvell, Per F., Lorentzen, Eirin, Retterstøl, Lar, 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, Carlo, Gago, Miguel, Garrett, Carolina, Guerra, Maria Rosália, Herrera, Carmen Durán, Garcia, Patrocinio Moreno, Barbera, Miquel Aguilar, Guia, Dolors Badene, Hernanz, Laura Casa, 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, Bla, Fenollar, María, García, Rocío García-Ramo, Ortega, Paloma, Villanueva, Clara, Alegre, Javier, Bascuñana, Mónica, Caldentey, Juan Garcia, Ventura, Marta Fatá, 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 Vivanco, González González, Sonia, Guisasola, Luis Menéndez, Salvador, Carlo, Martín, Esther Suaréz San, Ramirez, Inés Legarda, Gorospe, Aranzazú, Lopera, Mónica Rodriguez, Arques, Penelope Nava, Rodríguez, María José Torre, Pastor, Barbara Vive, Gaston, Itziar, Martinez-Jaurrieta, Maria Dolore, Moreno, Jose Manuel Garcia, Lucena, Carolina Mendez, Damas, Fatima, Cortegana, Hermoso Eva Pacheco, Peña, José Chacón, Redondo, Lui, Carrillo, Fátima, Teresa Cáceres, María, Mir, Pablo, Suarez, María José Lama, Vargas-González, Laura, Bosca, Maria E., Brugada, Francisco Castera, Burguera, Juan Andre, Campos, Anabel, Vilaplana, Garcia Carmen Peiró, Berglund, Peter, Constantinescu, Radu, Fredlund, Gunnel, Høsterey-Ugander, Ulrika, Linnsand, Petra, Neleborn-Lingefjärd, Liselotte, Wentzel, Magnu, 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, Jen, 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, 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, Sundu, Davies, Rhy, 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, Thoma, 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, Iri, 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, Bentivoglio, Anna Rita (ORCID:0000-0002-9663-095X), and Albanese, Alberto (ORCID:0000-0002-5864-0006)

Abstract

Background Huntington's disease is caused by a CAG repeat expansion in the huntingtin gene, HTT. Age at onset has been used as a quantitative phenotype in genetic analysis looking for Huntington's disease modifiers, but is hard to define and not always available. Therefore, we aimed to generate a novel measure of disease progression and to identify genetic markers associated with this progression measure. Methods We generated a progression score on the basis of principal component analysis of prospectively acquired longitudinal changes in motor, cognitive, and imaging measures in the 218 indivduals in the TRACK-HD cohort of Huntington's disease gene mutation carriers (data collected 2008–11). We generated a parallel progression score using data from 1773 previously genotyped participants from the European Huntington's Disease Network REGISTRY study of Huntington's disease mutation carriers (data collected 2003–13). We did a genome-wide association analyses in terms of progression for 216 TRACK-HD participants and 1773 REGISTRY participants, then a meta-analysis of these results was undertaken. Findings Longitudinal motor, cognitive, and imaging scores were correlated with each other in TRACK-HD participants, justifying use of a single, cross-domain measure of disease progression in both studies. The TRACK-HD and REGISTRY progression measures were correlated with each other (r=0·674), and with age at onset (TRACK-HD, r=0·315; REGISTRY, r=0·234). The meta-analysis of progression in TRACK-HD and REGISTRY gave a genome-wide significant signal (p=1·12 × 10−10) on chromosome 5 spanning three genes: MSH3, DHFR, and MTRNR2L2. The genes in this locus were associated with progression in TRACK-HD (MSH3 p=2·94 × 10−8DHFR p=8·37 × 10−7MTRNR2L2 p=2·15 × 10−9) and to a lesser extent in REGISTRY (MSH3 p=9·36 × 10−4DHFR p=8·45 × 10−4MTRNR2L2 p=1·20 × 10−3). The lead single nucleotide polymorphism (SNP) in TRACK-HD (rs55787

Published
2017

23. Ageing tests study on wood-based sandwich panels

Author

Mateo, Raquel, Cabrero, Juan Carlos, Hermoso, Eva, and Chillón, José María

Subjects
durabilidad, ciclos climáticos, wood-based sandwich panels, Paneles sándwich, climatic cycles, madera, ageing, lcsh:TA401-492, TA401-492, Wood-based sandwich panels, durability, lcsh:Materials of engineering and construction. Mechanics of materials, envejecimiento, Materials of engineering and construction. Mechanics of materials, wood
Abstract

Composite lightweight wood panels are being increasingly used in construction in Spain. Their growing use should be accompanied by necessary guarantees based on studies of their properties. As it is prescriptive and in addition to others tests, in the present work is examinated the durability of these panels when exposed to the climatic conditions, a characteristic of great importance for wood products, according to Guide ETAG 016, the current standard defining the ageing tests to be used. However, due to the use class of this material, there are indications that the testing outlined in this Guide is inappropriate for assessing the ageing of wood-based sandwich panels. Alternative tests are here proposed that recreate rather better the real conditions under which these products are used. Covering the samples in a waterproof sheeting permeable to the outward movement of water vapour, which is in fact used in the installation, provided the best procedure for testing these panels., Los paneles sándwich de madera son un producto de creciente aplicación en la edificación de nuestro país. Este ascendente uso del material debe estar acompañado de las garantías necesarias avaladas por un estudio previo de sus prestaciones. Como es preceptivo y entre otros, se evalúa su durabilidad frente a las condiciones climatológicas, clave en los productos derivados de la madera, acorde a la normativa actual definida con tal fin, la Guía ETAG 016. Sin embargo, debido a la clase de uso del material, se ha detectado que dicha normativa tal y como está concebida no es capaz de valorar su envejecimiento adecuadamente. En este trabajo se proponen ensayos alternativos al establecido tras exhaustivos análisis que recrean las condiciones reales de uso y más acordes a los productos de madera. Se concluye que la incorporación de una lámina impermeable pero permeable al vapor de agua hacia el exterior, como las utilizadas en el montaje, aportan el mejor procedimiento de ensayo.

Published
2011
Full Text
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24. Identification of genetic variants associated with Huntington's disease progression: a genome-wide association study

Author

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

Published
2017
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26. Visual Grading and Structural Properties Assessment of Large Cross-Section Pinus radiata D. Don Timber.

Author

Hermoso, Eva, Mateo, Raquel, Íñiguez-González, Guillermo, Montón, Joaquín, and Arriaga, Francisco

Subjects
*PINUS radiata, *BENDING strength, *MODULUS of elasticity, *CROSS-sectional method, *PHYSIOLOGY
Abstract

The use of large cross-section timber for structural purposes has increased in Spain, and knowledge of its properties is strategically necessary. The Spanish visual strength-grading standard UNE 56544 (2011) efficiency applied to large cross-section structural timber was analyzed using a sample of 363 specimens of radiata pine (Pinus radiata D. Don.) from the Basque Country and Catalonia, Spain. Different sizes were tested (80 × 120 × 2400 mm³, 150 × 250 × 5600 mm³, 150 × 250 × 4300 mm³, and 200 × 250 × 5000 mm³). Bending strength, modulus of elasticity, and density were obtained, and characteristic values were determined in order to assign strength class according to European standard EN 338 (2010). Knots and twists were the most relevant singularities for visual strength grading. It was concluded that large crosssection Spanish radiata pine timber was suitable for structures, and it was assigned to the C20 strength class. [ABSTRACT FROM AUTHOR]

Published
2016
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28. Non-destructive determination of core-transition-outer wood of Pinus nigra combining FTIR spectroscopy and prediction models

Author

René Herrera, Eva Hermoso, Jalel Labidi, Juan I. Fernandez-Golfin, Ministerio de Ciencia e Innovación (España), Herrera, René, Hermoso, Eva, Labidi, Jalel, Fernandez-Golfin, Juan I., Herrera, René [0000-0001-7393-8073], Hermoso, Eva [0000-0002-0439-6319], Labidi, Jalel [0000-0002-8382-9492], and Fernandez-Golfin, Juan I.[0000-0002-3597-7618]

Subjects
pinus nigra arn, Non-destructive methods, Pinus nigra Arn. Subsp.Salzmannii, salzmanniiI, IR spectroscopy, Chemometrics, R spectroscopy, Supervised predictive models, wood classification, subsp, Spectroscopy, Analytical Chemistry
Abstract

8 Pág., The early detection of wood quality by using advanced analytical non-destructive methods is an ongoing area of research and is highly interesting for the forest-based sector. The presence of core wood has negative effects on the performance of this material; hence, it is essential to identify this region as well as to define the endpoint where the region defined as transition wood begins. The purpose of this study was to apply a novel methodology for wood quality classification, based on FTIR spectroscopy, in combination with chemometrics, generating models capable of differentiating and predicting core wood, transition, and outer wood of Pinus nigra. This study also attempts to classify which specific IR bands define the chemical differentiation of woody regions. The results of the predictive models generated were satisfactory, attaining a full identification of classes with a non-linear SVM-DA model showing higher correlation coefficients than the generated linear SIMCA and PLS-DA models. SIMCA and PLS-DA were suitable for bands contrast and for categorizing the IR fingerprint in relation to the core-transition-outer regions. This study presents discriminative models generated from a non-destructive and relatively fast IR methodology with high correlation coefficients, thus improving the existing methods that are currently practiced for identifying wood quality. However, the database requires progressive calibration and adjustments to have acceptable reliability when validating the methods over time., The authors gratefully acknowledge the Spanish Ministry of Science and Innovation (POSTDOC: IJC2020-043740-I), UPV/EHU and INIA-CIFOR-CSIC.

Published
2022

29. Juvenile-mature wood evaluation along the bole considering the influence of silvicultural treatments

Author

Antonio Ruano, E. Hermoso, Ministerio de Economía y Competitividad (España), Ruano, Antonio, Hermoso, Eva, Ruano, Antonio [0000-0002-9684-1458], and Hermoso, Eva [0000-0002-0439-6319]

Subjects
Pinus nigra, Thinning, X-ray densitometry, Materials Science (miscellaneous), wood quality, silvicultural treatments, Manufactures, Forestry, Pinus sylvestris, SD1-669.5, pinus sylvestris, Industrial and Manufacturing Engineering, TS1-2301, %22">Pinus , Wood quality, Chemical Engineering (miscellaneous), Environmental science, Juvenile, pinus nigra, juvenile wood, Pruning, Juvenile wood, Silviculture
Abstract

Centro de Investigación Forestal (CIFOR), Wood used for structural purposes has increased in the last decade in Spain. However, as raw material, wood needs to comply with requirements that are not always present. Knowledge about the wood quality from the trees on the stand is essential for providing feedback to forest managers and for taking the required actions to obtain suitable silviculture treatments. Two of the main wood species used in construction in Spain, Pinus nigra and Pinus sylvestris, have been studied in order to determine the amount of juvenile wood, which has been identified as a harmful characteristic for its decrease in quality of the physical-mechanical properties of these species. Being relevant for the best quality of timber in the part along the bole where the logs are obtained, the distribution of juvenile wood at different heights and the effect of several silvicultural treatments have had on juvenile wood formation has been considered. The juvenile-mature wood boundary (transition year) was calculated through segmented linear mixed models employing as variables annual latewood density, obtained through micro X-ray densitometry, silvicultural practices, and a drought index. The results show how juvenile and mature wood is distributed along the bole and the proportion of juvenile wood. Its reduction according to the different thinning and pruning silvicultural practices is presented., This study has been carried out with the support of the Ministry of Economy and Competitivity of the Government of Spain through the Project RTA2014-00005-00-00. The authors would like to thank Enrique Garriga and Ramon García who helped us on the fieldwork, to Juan Carlos Cabrero who came up with creative ways on how to proceed, to Eduardo Trobajo who did the μXRD and to the carpenter Emilio Camacho who made the processing of the samples possible, 10 Pág.

Published
2021

30. Shrinkage pattern assessment for black pine juvenile wood delimitation

Author

Juan Carlos Cabrero, E. Hermoso, José Luis García de Ceca, Antonio Ruano, Ministerio de Economía y Competitividad (España), Ruano, Antonio, García de Ceca, José Luis, Hermoso, Eva, Ruano, Antonio [0000-0002-9684-1458], García de Ceca, José Luis [0000-0002-3041-2423], and Hermoso, Eva [0000-0002-0439-6319]

Subjects
%22">Pinus , Volume Percentage, Tree trunk, General Materials Science, Forestry, Pith, Soil science, Image warping, Densitometry, Anisotropy, Shrinkage, Mathematics
Abstract

8 Pág. Centro de Investigación Forestal (CIFOR), Juvenile wood is associated with shrinkage and a high probability of warping and checks in end products, reducing their value and even causing them to be rejected for structural purposes. This work studies the variations in yearly shrinkage caused when wood passes from green to dry state. The methodology proposed is based on the juvenile wood (JW) location using annual shrinkage variations. Pinus nigra Arn. grown using different silviculture techniques was chosen for study because its wood is characterized by severe shrinkage problems. This characteristic is analyzed in the radial and angular directions, of which the latter is a different methodology for evaluating warping problem rather than the commonly used ratio of anisotropy. It takes into account the annual measurements obtained from a disc cut from the tree trunk at various heights. The results were compared with the segregated JW and mature wood (MW) area obtained by radial densitometry pattern variation methodology. The results show that radial shrinkage is higher near the pith but stabilizes earlier (3–7 rings) than angular shrinkage (9–11 rings). Nevertheless, the opposite initial radial pattern occurs in angular shrinkage, which is low near the pith but increases annually towards the bark until it stabilizes. No clear effect of height in the tree when comparing the radial shrinkage patterns obtained along the bole can be defined. Silviculture practices have no significant influence on shrinkage percentage. Shrinkage and densitometry methodologies show differences in the quantification of JW volume percentage between JW and MW estimation. Results show that radial shrinkage pattern methodology, which is associated with warping problems, classifies a higher tree volume as good quality for end uses in comparison to the use of radial densitometry pattern methodology. On the other hand, if classified by radial densitometry pattern variation, warping problems associated with JW should not be a problem when sawn., This study was supported by the Spanish Ministry of Economy and Competitiveness through Project RTA2014-00005-00-00. The authors would like to thank Enrique Garriga and Ramon García who helped in the feld work, Emilio Camacho who processed the samples and Eduardo Rodriguez Trobajo for the micro X-ray densitometry and suggested improvements to the paper.

Published
2021

31. Acoustic wave velocity in long pieces of Salzmann pine for in-situ structural assessment

Author

E. Hermoso, Daniel F. Llana, Francisco Arriaga, Carlos Osuna-Sequera, Ministerio de Economía y Competitividad (España), Universidad Politécnica de Madrid, Osuna-Sequera, Carlos, Llana, Daniel F., Hermoso, Eva, Arriaga, Francisco, Osuna-Sequera, Carlos [0000-0002-9227-3035], Llana, Daniel F. [0000-0001-7758-9456], Hermoso, Eva [0000-0002-0439-6319], and Arriaga, Francisco [0000-0001-5535-0786]

Subjects
In situ, Pinus nigra, Materials science, Dynamic modulus of elasticity, business.industry, Acoustic wave velocity, Ultrasound, Wave velocity, Non-destructive testing, Stiffness, Building and Construction, Mechanics, Distance effect, Stress wave, medicine, Ultrasound waves, General Materials Science, medicine.symptom, business, Stress waves, Civil and Structural Engineering
Abstract

9 Pág. Instituto de Ciencias Forestales (ICIFOR), In-situ assessment of timber members by acoustic measurement usually requires specific procedures (indirect and semidirect measurement) compared with those used in the laboratory (direct) and over longer distances. This research aims to determine which procedure is the most suitable. Acoustic Non-Destructive Testing measurements were taken in 21 150 × 200 mm2 nominal cross-section Salzmann pine structural timber pieces from 9.5 to 11.0 m long from a 1768 structure. Wave velocity was obtained from ToF measured with different sensor arrangements (direct, indirect and semidirect) in different lengths using stress wave and ultrasound. The direct velocity value was very close to non-direct measurements (0.4% higher), while previous research works with shorter pieces (3–4 m) showed larger differences (3.3–5.4%). There were no significant differences between indirect and semidirect measurements when using the same device or between devices, although a steady ratio was observed in the last case. The most predictive velocity procedure was determined by the correlation between static and dynamic modulus of elasticity. The most reliable stiffness prediction was obtained with the global velocity method, taking ToF measurements at distances from 1 to 10 m. A second method was proposed, consisting of taking only 2 measurements, and it achieved practically the same predictive capacity., Ministerio de Economía y Competitividad [Spanish Ministry of Economy and Competitiveness]. Plan Nacional I + D 2013-2016.Proj.: BIA 2014-55089-P. Mr. Antonio Arce from Intrama S.A. for the free supply of timber. Partial financial support 2020 by Timber Construction Research Group, Universidad Politécnica de Madrid, Spain

Published
2021

32. Nondestructive Techniques for Determination of Wood Mechanical Properties of Urban Trees in Madrid

Author

Gabriel H. Virgen-Cobos, Guadalupe Olvera-Licona, Eva Hermoso, Miguel Esteban, Gobierno de México, Ferrovial, CSIC - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Universidad Politécnica de Madrid, Virgen-Cobos, Gabriel H., Olvera-Licona, Guadalupe, Hermoso, Eva, and Esteban, Miguel

Subjects
bending strength, impact waves, standing tree, ultrasound, Standing tree, Ultrasound, Forestry, Impact waves, Bending strength
Abstract

18 Pág. Instituto de Ciencias Forestales (ICIFOR), The aim of this paper is to analyze the mechanical properties of Robinia pseudoacacia L. (black locust), Platanus × hybrida Brot. (London plane), Ulmus pumila L. (Siberian elm), and Populus alba L. (white poplar), estimated using ultrasound wave equipment (USLab y Sylvatest Duo) and impact wave equipment (Microsecond Timer) on standing trees, felled logs and on specimens obtained from different parts of the trees. Bending strength, axial compression strength and tension parallel to grain were determined for each specimen, in order to subsequently correlate the strength and stiffness with the acoustic properties determined in the standing tree. For the relationship between the static modulus of elasticity of the specimens and the dynamic modulus of elasticity determined in standing trees using the USLab, coefficients of determination were found to be between 0.30–0.92, between 0.52 and 0.80 using the Sylvatest Duo and between 0.60 and 0.94 with the Microsecond Timer. It would be necessary to determine whether the removal of bark for the correct coupling of the ultrasonic sensors would provide an entry route for pests or diseases that could affect the health of the tree., Gabriel Humberto Virgen Cobos and Guadalupe Olvera Licona were supported by the National Council of Science and Technology (CONACyT) from the Mexican Government through a doctorate grant. The authors would like to thank the company Ferrovial S.A. for providing the trees tested. They also thank the Timber Laboratory of the Forest Research Centre (INIA-CSIC) and the Forest Products Industries Laboratory (Universidad Politécnica de Madrid) for the facilities provided to carry out tests.

Published
2022

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