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3. Cortical Brain Abnormalities in 4474 Individuals With Schizophrenia and 5098 Control Subjects via the Enhancing Neuro Imaging Genetics Through Meta Analysis (ENIGMA) Consortium

Author

Farde, Lars, Flyckt, Lena, Engberg, Göran, Erhardt, Sophie, Fatouros-Bergman, Helena, Cervenka, Simon, Schwieler, Lilly, Piehl, Fredrik, Agartz, Ingrid, Collste, Karin, Victorsson, Pauliina, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, van Erp, Theo G.M., Walton, Esther, Hibar, Derrek P., Schmaal, Lianne, Jiang, Wenhao, Glahn, David C., Pearlson, Godfrey D., Yao, Nailin, Fukunaga, Masaki, Hashimoto, Ryota, Okada, Naohiro, Yamamori, Hidenaga, Bustillo, Juan R., Clark, Vincent P., Mueller, Bryon A., Cahn, Wiepke, de Zwarte, Sonja M.C., Hulshoff Pol, Hilleke E., Kahn, René S., Ophoff, Roel A., van Haren, Neeltje E.M., Andreassen, Ole A., Dale, Anders M., Doan, Nhat Trung, Gurholt, Tiril P., Hartberg, Cecilie B., Haukvik, Unn K., Jørgensen, Kjetil N., Lagerberg, Trine V., Melle, Ingrid, Westlye, Lars T., Gruber, Oliver, Kraemer, Bernd, Richter, Anja, Zilles, David, Calhoun, Vince D., Crespo-Facorro, Benedicto, Roiz-Santiañez, Roberto, Tordesillas-Gutiérrez, Diana, Loughland, Carmel, Carr, Vaughan J., Catts, Stanley, Cropley, Vanessa L., Fullerton, Janice M., Green, Melissa J., Henskens, Frans A., Jablensky, Assen, Lenroot, Rhoshel K., Mowry, Bryan J., Michie, Patricia T., Pantelis, Christos, Quidé, Yann, Schall, Ulrich, Scott, Rodney J., Cairns, Murray J., Seal, Marc, Tooney, Paul A., Rasser, Paul E., Cooper, Gavin, Shannon Weickert, Cynthia, Weickert, Thomas W., Morris, Derek W., Hong, Elliot, Kochunov, Peter, Beard, Lauren M., Gur, Raquel E., Gur, Ruben C., Satterthwaite, Theodore D., Wolf, Daniel H., Belger, Aysenil, Brown, Gregory G., Ford, Judith M., Macciardi, Fabio, Mathalon, Daniel H., O’Leary, Daniel S., Potkin, Steven G., Preda, Adrian, Voyvodic, James, Lim, Kelvin O., McEwen, Sarah, Yang, Fude, Tan, Yunlong, Tan, Shuping, Wang, Zhiren, Fan, Fengmei, Chen, Jingxu, Xiang, Hong, Tang, Shiyou, Guo, Hua, Wan, Ping, Wei, Dong, Bockholt, Henry J., Ehrlich, Stefan, Wolthusen, Rick P.F., King, Margaret D., Shoemaker, Jody M., Sponheim, Scott R., De Haan, Lieuwe, Koenders, Laura, Machielsen, Marise W., van Amelsvoort, Therese, Veltman, Dick J., Assogna, Francesca, Banaj, Nerisa, de Rossi, Pietro, Iorio, Mariangela, Piras, Fabrizio, Spalletta, Gianfranco, McKenna, Peter J., Pomarol-Clotet, Edith, Salvador, Raymond, Corvin, Aiden, Donohoe, Gary, Kelly, Sinead, Whelan, Christopher D., Dickie, Erin W., Rotenberg, David, Voineskos, Aristotle N., Ciufolini, Simone, Radua, Joaquim, Dazzan, Paola, Murray, Robin, Reis Marques, Tiago, Simmons, Andrew, Borgwardt, Stefan, Egloff, Laura, Harrisberger, Fabienne, Riecher-Rössler, Anita, Smieskova, Renata, Alpert, Kathryn I., Wang, Lei, Jönsson, Erik G., Koops, Sanne, Sommer, Iris E.C., Bertolino, Alessandro, Bonvino, Aurora, Di Giorgio, Annabella, Neilson, Emma, Mayer, Andrew R., Stephen, Julia M., Kwon, Jun Soo, Yun, Je-Yeon, Cannon, Dara M., McDonald, Colm, Lebedeva, Irina, Tomyshev, Alexander S., Akhadov, Tolibjohn, Kaleda, Vasily, Busatto, Geraldo F., Rosa, Pedro G.P., Serpa, Mauricio H., Zanetti, Marcus V., Hoschl, Cyril, Skoch, Antonin, Spaniel, Filip, Tomecek, David, Hagenaars, Saskia P., McIntosh, Andrew M., Whalley, Heather C., Lawrie, Stephen M., Knöchel, Christian, Oertel-Knöchel, Viola, Stäblein, Michael, Howells, Fleur M., Stein, Dan J., Temmingh, Henk S., Uhlmann, Anne, Lopez-Jaramillo, Carlos, Dima, Danai, McMahon, Agnes, Faskowitz, Joshua I., Gutman, Boris A., Jahanshad, Neda, Thompson, Paul M., and Turner, Jessica A.

Published
2018
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6. Reproducibility in the absence of selective reporting : An illustration from large-scale brain asymmetry research

Author

Kong, Xiang-Zhen, Francks, Clyde, Allen, Nicholas B., Heslenfeld, Dirk, Hester, Robert, Hibar, Derrek Paul, Ho, Beng-Choon, Ho, Tiffany C., Hoekstra, Pieter J., Holst, Ruth J., Hoogman, Martine, Høvik, Marie F., Howells, Fleur M., Ames, David, Hugdahl, Kenneth, Huyser, Chaim, Ingvar, Martin, Ishikawa, Akari, James, Anthony, Jahanshad, Neda, Jernigan, Terry L., Jönsson, Erik G, Kaleda, Vasily, Kelly, Clare, Andreassen, Ole A., Kerich, Michael, Keshavan, Matcheri S., Khadka, Sabin, Kircher, Tilo, Kohls, Gregor, Konrad, Kerstin, Korucuoglu, Ozlem, Krämer, Bernd, Krug, Axel, Kuntsi, Jonna, Vasquez, Alejandro Arias, Kwon, Jun Soo, Lambregts-Rommelse, Nanda, Landén, Mikael, Lázaro, Luisa, Lebedeva, Irina, Lenroot, Rhoshel, Lesch, Klaus-Peter, Li, Qinqin, Lim, Kelvin O., Liu, Jia, Armstrong, Nicola J., Lochner, Christine, London, Edythe D., Lorenzetti, Valentina, Luciano, Michelle, Luijten, Maartje, Lundervold, Astri J., Mackey, Scott, MacMaster, Frank P., Maingault, Sophie, Malpas, Charles B., Asherson, Phil, Malt, Ulrik F., Mataix-Cols, David, Martin-Santos, Rocio, Mayer, Andrew R., McCarthy, Hazel, Medland, Sarah, Metha, Mitul, Mitchell, Philip B., Mueller, Bryon A., Maniega, Susana Muñoz, Bergo, Felipe, Mazoyer, Bernard, McDonald, Colm, McLellan, Quinn, McMahon, Katie L., McPhilemy, Genevieve, Momenan, Reza, Morales, Angelica M., Narayanaswamy, Janardhanan C., Moreira, José Carlos Vasques, Nerland, Stener, Bastin, Mark E., Nestor, Liam, Newman, Erik, Nigg, Joel T., Nordvik, Jan Egil, Novotny, Stephanie, Weiss, Eileen Oberwelland, O'Gorman, Ruth L., Oosterlaan, Jaap, Oranje, Bob, Orr, Catherine, Batalla, Albert, Overs, Bronwyn, Paloyelis, Yannis, Pauli, Paul, Paulus, Martin, Plessen, Kerstin Jessica, Polier, Georg G., Pomarol-Clotet, Edith, Portella, Maria J., Qiu, Jiang, Radua, Joaquim, Bauer, Jochen, Ramos-Quiroga, Josep Antoni, Reddy, Y. C. Janardhan, Reif, Andreas, Roberts, Gloria, Rosa, Pedro, Rubia, Katya, Sacchet, Matthew D., Sachdev, Perminder S., Salvador, Raymond, Schmaal, Lianne, Baune, Bernhard T, Schulte-Rüther, Martin, Schweren, Lizanne, Seitz, Jochen, Serpa, Mauricio Henriques, Shaw, Philip, Shumskaya, Elena, Silk, Timothy J., Simmons, Alan N., Simulionyte, Egle, Sinha, Rajita, Baur-Streubel, Ramona, Sjoerds, Zsuzsika, Smelror, Runar Elle, Soliva, Joan Carlos, Solowij, Nadia, Souza-Duran, Fabio Luisde, Sponheim, Scott R., Stein, Dan J., Stein, Elliot A., Stevens, Michael, Strike, Lachlan T., Biederman, Joseph, Sudre, Gustavo, Sui, Jing, Tamm, Leanne, Temmingh, Hendrik S., Thoma, Robert J., Tomyshev, Alexander, Tronchin, Giulia, Turner, Jessica, Uhlmann, Anne, Erp, Theo G. M., Blaine, Sara K., Heuvel, Odile A., Meer, Dennis, Eijk, Liza, Vance, Alasdair, Veer, Ilya M., Veltman, Dick J., Venkatasubramanian, Ganesan, Vilarroya, Oscar, Vives-Gilabert, Yolanda, Voineskos, Aristotle N, Boedhoe, Premika, Völzke, Henry, Vuletic, Daniella, Walitza, Susanne, Walter, Henrik, Walton, Esther, Wardlaw, Joanna M., Wen, Wei, Westlye, Lars T., Whelan, Christopher D., White, Tonya, Bøen, Erlend, Wiers, Reinout W., Wright, Margaret J., Wittfeld, Katharina, Yang, Tony T., Yasuda, Clarissa L., Yoncheva, Yuliya, Yücel, Murat, Yun, Je-Yeon, Zanetti, Marcus Vinicius, Zhen, Zonglei, Bose, Anushree, Zhu, Xing-xing, Ziegler, Georg C., Zubicaray, Greig I., Zwiers, Marcel, Project, Karolinska Schizophrenia, Glahn, David C., Crivello, Fabrice, Fisher, Simon E., Thompson, Paul M., Bralten, Janita, Farde, Lars, Flyckt, Lena, Engberg, Göran, Erhardt, Sophie, Fatouros-Bergman, Helena, Cervenka, Simon, Schwieler, Lilly, Piehl, Fredrik, Agartz, Ingrid, Collste, Karin, Brandeis, Daniel, Victorsson, Pauliina, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, Sellgren, Carl, Brem, Silvia, Mathias, Samuel R., Brodaty, Henry, Yüksel, Dilara, Brooks, Samantha J., Buitelaar, Jan, Bürger, Christian, Bülow, Robin, Calhoun, Vince, Calvo, Anna, Canales-Rodríguez, Erick Jorge, Cannon, Dara M., Guadalupe, Tulio, Caparelli, Elisabeth C., Castellanos, Francisco X., Cendes, Fernando, Chaim-Avancini, Tiffany Moukbel, Chantiluke, Kaylita, Chen, Qun-lin, Chen, Xiayu, Cheng, Yuqi, Christakou, Anastasia, Clark, Vincent P., Abé, Christoph, Coghill, David, Connolly, Colm G., Conzelmann, Annette, Córdova-Palomera, Aldo, Cousijn, Janna, Crow, Tim, Cubillo, Ana, Dannlowski, Udo, Bruttopilo, Sara Ambrosino, Zeeuw, Patrick, Deary, Ian J., Demeter, Damion V., Di Martino, Adriana, Dickie, Erin W, Dietsche, Bruno, Doan, Nhat Trung, Doherty, Colin P., Doyle, Alysa, Durston, Sarah, Earl, Eric, Akudjedu, Theophilus N., Ehrlich, Stefan, Ekman, Carl Johan, Elvsåshagen, Torbjørn, Epstein, Jeffery N., Fair, Damien A., Faraone, Stephen V., Fernández, Guillén, Flint, Claas, Filho, Geraldo Busatto, Förster, Katharina, Aleman, Andre, Fouche, Jean-Paul, Foxe, John J., Frodl, Thomas, Fuentes-Claramonte, Paola, Fullerton, Janice M., Garavan, Hugh, Santos Garcia, Danielle, Gotlib, Ian H., Goudriaan, Anna E., Grabe, Hans Jörgen, Alhusaini, Saud, Groenewold, Nynke A., Grotegerd, Dominik, Gruber, Oliver, Gurholt, Tiril, Haavik, Jan, Hahn, Tim, Hansell, Narelle K., Harris, Mathew A., Hartman, Catharina A., Carmen Valdés Hernández, Maria, Alhusaini, Saud, Del Carmen Valdés Hernández, Maria, Heslenfeld, Dirk, Hester, Robert, Hibar, Derrek Paul, Ho, Beng-Choon, Ho, Tiffany C., Hoekstra, Pieter J., van Holst, Ruth J., Hoogman, Martine, Høvik, Marie F., Allen, Nicholas B., Howells, Fleur M., Hugdahl, Kenneth, Huyser, Chaim, Ingvar, Martin, Ishikawa, Akari, James, Anthony, Jahanshad, Neda, Jernigan, Terry L., Jönsson, Erik G., Kaleda, Vasily, Ames, David, Kelly, Clare, Kerich, Michael, Keshavan, Matcheri S., Khadka, Sabin, Kircher, Tilo, Kohls, Gregor, Konrad, Kerstin, Korucuoglu, Ozlem, Krämer, Bernd, Krug, Axel, Andreassen, Ole A., Kuntsi, Jonna, Kwon, Jun Soo, Lambregts-Rommelse, Nanda, Landén, Mikael, Lázaro, Luisa, Lebedeva, Irina, Lenroot, Rhoshel, Lesch, Klaus-Peter, Li, Qinqin, Lim, Kelvin O., Vasquez, Alejandro Arias, Liu, Jia, Lochner, Christine, London, Edythe D., Lorenzetti, Valentina, Luciano, Michelle, Luijten, Maartje, Lundervold, Astri J., Mackey, Scott, MacMaster, Frank P., Maingault, Sophie, Armstrong, Nicola J., Malpas, Charles B., Malt, Ulrik F., Mataix-Cols, David, Martin-Santos, Rocio, Mayer, Andrew R., McCarthy, Hazel, Medland, Sarah, Metha, Mitul, Mitchell, Philip B., Mueller, Bryon A., Asherson, Phil, Maniega, Susana Muñoz, Mazoyer, Bernard, McDonald, Colm, McLellan, Quinn, McMahon, Katie L., McPhilemy, Genevieve, Momenan, Reza, Morales, Angelica M., Narayanaswamy, Janardhanan C., Moreira, José Carlos Vasques, Bergo, Felipe, Nerland, Stener, Nestor, Liam, Newman, Erik, Nigg, Joel T., Nordvik, Jan Egil, Novotny, Stephanie, Weiss, Eileen Oberwelland, O'Gorman, Ruth L., Oosterlaan, Jaap, Oranje, Bob, Bastin, Mark E., Orr, Catherine, Overs, Bronwyn, Paloyelis, Yannis, Pauli, Paul, Paulus, Martin, Plessen, Kerstin Jessica, von Polier, Georg G., Pomarol-Clotet, Edith, Portella, Maria J., Qiu, Jiang, Batalla, Albert, Radua, Joaquim, Ramos-Quiroga, Josep Antoni, Reddy, Y. C. Janardhan, Reif, Andreas, Roberts, Gloria, Rosa, Pedro, Rubia, Katya, Sacchet, Matthew D., Sachdev, Perminder S., Salvador, Raymond, Bauer, Jochen, Schmaal, Lianne, Schulte-Rüther, Martin, Schweren, Lizanne, Seitz, Jochen, Serpa, Mauricio Henriques, Shaw, Philip, Shumskaya, Elena, Silk, Timothy J., Simmons, Alan N., Simulionyte, Egle, Baune, Bernhard T., Sinha, Rajita, Sjoerds, Zsuzsika, Smelror, Runar Elle, Soliva, Joan Carlos, Solowij, Nadia, Souza-Duran, Fabio Luisde, Sponheim, Scott R., Stein, Dan J., Stein, Elliot A., Stevens, Michael, Baur-Streubel, Ramona, Strike, Lachlan T., Sudre, Gustavo, Sui, Jing, Tamm, Leanne, Temmingh, Hendrik S., Thoma, Robert J., Tomyshev, Alexander, Tronchin, Giulia, Turner, Jessica, Uhlmann, Anne, Biederman, Joseph, van Erp, Theo G. M., van den Heuvel, Odile A., van der Meer, Dennis, van Eijk, Liza, Vance, Alasdair, Veer, Ilya M., Veltman, Dick J., Venkatasubramanian, Ganesan, Vilarroya, Oscar, Vives-Gilabert, Yolanda, Blaine, Sara K., Voineskos, Aristotle N., Völzke, Henry, Vuletic, Daniella, Walitza, Susanne, Walter, Henrik, Walton, Esther, Wardlaw, Joanna M., Wen, Wei, Westlye, Lars T., Whelan, Christopher D., Boedhoe, Premika, White, Tonya, Wiers, Reinout W., Wright, Margaret J., Wittfeld, Katharina, Yang, Tony T., Yasuda, Clarissa L., Yoncheva, Yuliya, Yücel, Murat, Yun, Je-Yeon, Zanetti, Marcus Vinicius, Bøen, Erlend, Zhen, Zonglei, Zhu, Xing-Xing, Ziegler, Georg C., de Zubicaray, Greig I., Zwiers, Marcel, Project, Karolinska Schizophrenia, Glahn, David C., Crivello, Fabrice, Fisher, Simon E., Thompson, Paul M., Bose, Anushree, Francks, Clyde, Farde, Lars, Flyckt, Lena, Engberg, Göran, Erhardt, Sophie, Fatouros-Bergman, Helena, Cervenka, Simon, Schwieler, Lilly, Piehl, Fredrik, Agartz, Ingrid, Bralten, Janita, Collste, Karin, Victorsson, Pauliina, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, Sellgren, Carl, Brandeis, Daniel, Kong, Xiang-Zhen, Brem, Silvia, Brodaty, Henry, Yüksel, Dilara, Brooks, Samantha J., Buitelaar, Jan, Bürger, Christian, Bülow, Robin, Calhoun, Vince, Calvo, Anna, Canales-Rodríguez, Erick Jorge, Mathias, Samuel R., Cannon, Dara M., Caparelli, Elisabeth C., Castellanos, Francisco X., Cendes, Fernando, Chaim-Avancini, Tiffany Moukbel, Chantiluke, Kaylita, Chen, Qun-Lin, Chen, Xiayu, Cheng, Yuqi, Christakou, Anastasia, Guadalupe, Tulio, Clark, Vincent P., Coghill, David, Connolly, Colm G., Conzelmann, Annette, Córdova-Palomera, Aldo, Cousijn, Janna, Crow, Tim, Cubillo, Ana, Dannlowski, Udo, de Bruttopilo, Sara Ambrosino, Abé, Christoph, de Zeeuw, Patrick, Deary, Ian J., Demeter, Damion V., Di Martino, Adriana, Dickie, Erin W., Dietsche, Bruno, Doan, Nhat Trung, Doherty, Colin P., Doyle, Alysa, Durston, Sarah, Earl, Eric, Ehrlich, Stefan, Ekman, Carl Johan, Elvsåshagen, Torbjørn, Epstein, Jeffery N., Fair, Damien A., Faraone, Stephen V., Fernández, Guillén, Flint, Claas, Filho, Geraldo Busatto, Akudjedu, Theophilus N., Förster, Katharina, Fouche, Jean-Paul, Foxe, John J., Frodl, Thomas, Fuentes-Claramonte, Paola, Fullerton, Janice M., Garavan, Hugh, do Santos Garcia, Danielle, Gotlib, Ian H., Goudriaan, Anna E., Aleman, Andre, Grabe, Hans Jörgen, Groenewold, Nynke A., Grotegerd, Dominik, Gruber, Oliver, Gurholt, Tiril, Haavik, Jan, Hahn, Tim, Hansell, Narelle K., Harris, Mathew A., Hartman, Catharina A., Ontwikkelingspsychologie (Psychologie, FMG), Adult Psychiatry, APH - Mental Health, ANS - Compulsivity, Impulsivity & Attention, Child and Adolescent Psychiatry & Psychosocial Care, Child Psychiatry, ANS - Cellular & Molecular Mechanisms, Laboratory Genetic Metabolic Diseases, Paediatrics, General Paediatrics, ARD - Amsterdam Reproduction and Development, Paediatric Pulmonology, Graduate School, and APH - Digital Health

Subjects
P‐hacking, Datasets as Topic, Publication bias, 0302 clinical medicine, 130 000 Cognitive Neurology & Memory, Statistics, team science, Brain asymmetry, Multicenter Studies as Topic, Cervell, Research Articles, Cerebral Cortex, Radiological and Ultrasound Technology, P-hacking, 05 social sciences, Brain, Cerebral cortex, Middle Aged, Magnetic Resonance Imaging, Discoveries in science, Escorça cerebral, Neurology, Biaix de publicació, Anatomy, Psychology, Research Article, Neuroinformatics, Adult, Adolescent, Neuroimaging, Descobriments científics, 050105 experimental psychology, Statistical power, 03 medical and health sciences, Young Adult, Magnetic resonance imaging, Imatges per ressonància magnètica, multisite collaboration, Humans, 0501 psychology and cognitive sciences, Radiology, Nuclear Medicine and imaging, ddc:610, reproducibility, Aged, publication bias, Reproducibility, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], Perspective (graphical), Reproducibility of Results, Brain Cortical Thickness, Research data, Sample size determination, Dades de recerca, Neurology (clinical), Scale (map), Developmental Psychopathology, 030217 neurology & neurosurgery
Abstract

The problem of poor reproducibility of scientific findings has received much attention over recent years, in a variety of fields including psychology and neuroscience. The problem has been partly attributed to publication bias and unwanted practices such as p‐hacking. Low statistical power in individual studies is also understood to be an important factor. In a recent multisite collaborative study, we mapped brain anatomical left–right asymmetries for regional measures of surface area and cortical thickness, in 99 MRI datasets from around the world, for a total of over 17,000 participants. In the present study, we revisited these hemispheric effects from the perspective of reproducibility. Within each dataset, we considered that an effect had been reproduced when it matched the meta‐analytic effect from the 98 other datasets, in terms of effect direction and significance threshold. In this sense, the results within each dataset were viewed as coming from separate studies in an “ideal publishing environment,” that is, free from selective reporting and p hacking. We found an average reproducibility rate of 63.2% (SD = 22.9%, min = 22.2%, max = 97.0%). As expected, reproducibility was higher for larger effects and in larger datasets. Reproducibility was not obviously related to the age of participants, scanner field strength, FreeSurfer software version, cortical regional measurement reliability, or regional size. These findings constitute an empirical illustration of reproducibility in the absence of publication bias or p hacking, when assessing realistic biological effects in heterogeneous neuroscience data, and given typically‐used sample sizes., Region‐wise effect sizes and reproducibility rates of hemispheric asymmetry effects. In general, effects with higher effect sizes showed higher reproducibility, given the same conditions (e.g., sample size and data heterogeneity).

Published
2022
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7. Thalamic dopamine D2-receptor availability in schizophrenia: a study on antipsychotic-naive patients with first-episode psychosis and a meta-analysis

Author

Plavén-Sigray, Pontus, primary, Ikonen Victorsson, Pauliina, additional, Santillo, Alexander, additional, Matheson, Granville J., additional, Lee, Maria, additional, Collste, Karin, additional, Fatouros-Bergman, Helena, additional, Sellgren, Carl M., additional, Erhardt, Sophie, additional, Agartz, Ingrid, additional, Halldin, Christer, additional, Farde, Lars, additional, and Cervenka, Simon, additional

Published
2021
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8. Publisher Correction:Common brain disorders are associated with heritable patterns of apparent aging of the brain (Nature Neuroscience, (2019), 22, 10, (1617-1623), 10.1038/s41593-019-0471-7)

Author

Kaufmann, Tobias, van der Meer, Dennis, Doan, Nhat Trung, Schwarz, Emanuel, Lund, Martina J., Agartz, Ingrid, Alnæs, Dag, Barch, Deanna M., Baur-Streubel, Ramona, Bertolino, Alessandro, Bettella, Francesco, Beyer, Mona K., Bøen, Erlend, Borgwardt, Stefan, Brandt, Christine L., Buitelaar, Jan, Celius, Elisabeth G., Cervenka, Simon, Conzelmann, Annette, Córdova-Palomera, Aldo, Dale, Anders M., de Quervain, Dominique J.F., Di Carlo, Pasquale, Djurovic, Srdjan, Dørum, Erlend S., Eisenacher, Sarah, Elvsåshagen, Torbjørn, Espeseth, Thomas, Fatouros-Bergman, Helena, Flyckt, Lena, Franke, Barbara, Frei, Oleksandr, Haatveit, Beathe, Håberg, Asta K., Harbo, Hanne F., Hartman, Catharina A., Heslenfeld, Dirk, Hoekstra, Pieter J., Høgestøl, Einar A., Jernigan, Terry L., Jonassen, Rune, Jönsson, Erik G., Farde, Lars, Engberg, Göran, Erhardt, Sophie, Schwieler, Lilly, Piehl, Fredrik, Collste, Karin, Victorsson, Pauliina, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, Kirsch, Peter, Kłoszewska, Iwona, Kolskår, Knut K., Landrø, Nils Inge, Le Hellard, Stephanie, Lesch, Klaus Peter, Lovestone, Simon, Lundervold, Arvid, Lundervold, Astri J., Maglanoc, Luigi A., Malt, Ulrik F., Mecocci, Patrizia, Melle, Ingrid, Meyer-Lindenberg, Andreas, Moberget, Torgeir, Norbom, Linn B., Nordvik, Jan Egil, Nyberg, Lars, Oosterlaan, Jaap, Papalino, Marco, Papassotiropoulos, Andreas, Pauli, Paul, Pergola, Giulio, Persson, Karin, Richard, Geneviève, Rokicki, Jaroslav, Sanders, Anne Marthe, Selbæk, Geir, Shadrin, Alexey A., Smeland, Olav B., Soininen, Hilkka, Sowa, Piotr, Steen, Vidar M., Tsolaki, Magda, Ulrichsen, Kristine M., Vellas, Bruno, Wang, Lei, Westman, Eric, Ziegler, Georg C., Zink, Mathias, Andreassen, Ole A., and Westlye, Lars T.

Subjects
ComputingMethodologies_DOCUMENTANDTEXTPROCESSING
Abstract

In the version of this article initially published, spaces were missing in the names of Stephanie Le Hellard and Pasquale Di Carlo. The errors have been corrected in the HTML and PDF versions of the article.

Published
2020
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9. Reply to: New Meta- and Mega-analyses of Magnetic Resonance Imaging Findings in Schizophrenia: Do They Really Increase Our Knowledge About the Nature of the Disease Process?

Author

Farde, Lars, Flyckt, Lena, Fatouros-Bergman, Helena, Cervenka, Simon, Agartz, Ingrid, Collste, Karin, Victorsson, Pauliina, Engberg, Göran, Erhardt, Sophie, Schwieler, Lilly, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, Piehl, Fredrik, van Erp, Theo G.M., Walton, Esther, Hibar, Derrek P., Schmaal, Lianne, Jiang, Wenhao, Glahn, David C., Pearlson, Godfrey D., Yao, Nailin, Fukunaga, Masaki, Hashimoto, Ryota, Okada, Naohiro, Yamamori, Hidenaga, Clark, Vincent P., Mueller, Bryon A., de Zwarte, Sonja M.C., Ophoff, Roel A., van Haren, Neeltje E.M., Andreassen, Ole A., Gurholt, Tiril P., Gruber, Oliver, Kraemer, Bernd, Richter, Anja, Calhoun, Vince D., Crespo-Facorro, Benedicto, Roiz-Santiañez, Roberto, Tordesillas-Gutiérrez, Diana, Loughland, Carmel, Catts, Stanley, Fullerton, Janice M., Green, Melissa J., Henskens, Frans, Jablensky, Assen, Mowry, Bryan J., Pantelis, Christos, Quidé, Yann, Schall, Ulrich, Scott, Rodney J., Cairns, Murray J., Seal, Marc, Tooney, Paul A., Rasser, Paul E., Cooper, Gavin, Shannon Weickert, Cynthia, Weickert, Thomas W., Hong, Elliot, Kochunov, Peter, Gur, Raquel E., Gur, Ruben C., Ford, Judith M., Macciardi, Fabio, Mathalon, Daniel H., Potkin, Steven G., Preda, Adrian, Fan, Fengmei, Ehrlich, Stefan, King, Margaret D., De Haan, Lieuwe, Veltman, Dick J., Assogna, Francesca, Banaj, Nerisa, de Rossi, Pietro, Iorio, Mariangela, Piras, Fabrizio, Spalletta, Gianfranco, Pomarol-Clotet, Edith, Kelly, Sinead, Ciufolini, Simone, Radua, Joaquim, Murray, Robin, Marques, Tiago Reis, Simmons, Andrew, Borgwardt, Stefan, Schönborn-Harrisberger, Fabienne, Riecher-Rössler, Anita, Smieskova, Renata, Alpert, Kathryn I., Bertolino, Alessandro, Bonvino, Aurora, Di Giorgio, Annabella, Neilson, Emma, Mayer, Andrew R., Yun, Je-Yeon, Cannon, Dara M., Lebedeva, Irina, Tomyshev, Alexander S., Akhadov, Tolibjohn, Kaleda, Vasily, Rosa, Pedro G.P., Serpa, Mauricio H., Zanetti, Marcus V., Hoschl, Cyril, Skoch, Antonin, Spaniel, Filip, Tomecek, David, McIntosh, Andrew M., Whalley, Heather C., Knöchel, Christian, Oertel-Knöchel, Viola, Howells, Fleur M., Stein, Dan J., Temmingh, Henk S., Uhlmann, Anne, Lopez-Jaramillo, Carlos, Dima, Danai, Faskowitz, Joshua I., Gutman, Boris A., Jahanshad, Neda, Thompson, Paul M., and Turner, Jessica A.

Published
2019
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10. M7. LOWER THALAMIC DOPAMINE D2-RECEPTOR BINDING IN DRUG-NAIVE PATIENTS WITH PSYCHOSIS – A REPLICATION STUDY USING POSITRON EMISSION TOMOGRAPHY

Author

Victorsson, Pauliina, primary, Plavén-Sigray, Pontus, primary, Matheson, Granville, primary, Santillo, Alexander, primary, Lee, Maria, primary, Collste, Karin, primary, Fatouros-Bergman, Helena, primary, Agartz, Ingrid, primary, Halldin, Christer, primary, Farde, Lars, primary, and Cervenka, Simon, primary

Published
2020
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11. Common brain disorders are associated with heritable patterns of apparent aging of the brain

Author

Kaufmann, Tobias, van der Meer, Dennis, Doan, Nhat Trung, Schwarz, Emanuel, Lund, Martina J., Agartz, Ingrid, Alnaes, Dag, Barch, Deanna M., Baur-Streubel, Ramona, Bertolino, Alessandro, Bettella, Francesco, Beyer, Mona K., Boen, Erlend, Borgwardt, Stefan, Brandt, Christine L., Buitelaar, Jan, Celius, Elisabeth G., Cervenka, Simon, Conzelmann, Annette, Cordova-Palomera, Aldo, Dale, Anders M., de Quervain, Dominique J. F., Carlo, PasqualeDi, Djurovic, Srdjan, Dorum, Erlend S., Eisenacher, Sarah, Elvsashagen, Torbjorn, Espeseth, Thomas, Fatouros-Bergman, Helena, Flyckt, Lena, Franke, Barbara, Frei, Oleksandr, Haatveit, Beathe, Haberg, Asta K., Harbo, Hanne F., Hartman, Catharina A., Heslenfeld, Dirk, Hoekstra, Pieter J., Hogestol, Einar A., Jernigan, Terry L., Jonassen, Rune, Jonsson, Erik G., Kirsch, Peter, Ktoszewska, Iwona, Kolskar, Knut K., Landro, Nils Inge, Hellard, StephanieLe, Lesch, Klaus-Peter, Lovestone, Simon, Lundervold, Arvid, Lundervold, Astri J., Maglanoc, Luigi A., Malt, Ulrik F., Mecocci, Patrizia, Melle, Ingrid, Meyer-Lindenberg, Andreas, Moberget, Torgeir, Norbom, Linn B., Nordvik, Jan Egil, Nyberg, Lars, Oosterlaan, Jaap, Papalino, Marco, Papassotiropoulos, Andreas, Pauli, Paul, Pergola, Giulio, Persson, Karin, Richard, Genevieve, Rokicki, Jaroslav, Sanders, Anne-Marthe, Selbaek, Geir, Shadrin, Alexey A., Smeland, Olav B., Soininen, Hilkka, Sowa, Piotr, Steen, Vidar M., Tsolaki, Magda, Ulrichsen, Kristine M., Vellas, Bruno, Wang, Lei, Westman, Eric, Ziegler, Georg C., Zink, Mathias, Andreassen, Ole A., Westlye, Lars T., Farde, Lars, Flyckts, Lena, Engberg, Goran, Erhardt, Sophie, Fatouros-Bergmann, Helena, Schwieler, Lilly, Piehl, Fredrik, Collste, Karin, Victorsson, Pauliina, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, Kaufmann, Tobias, van der Meer, Dennis, Doan, Nhat Trung, Schwarz, Emanuel, Lund, Martina J., Agartz, Ingrid, Alnaes, Dag, Barch, Deanna M., Baur-Streubel, Ramona, Bertolino, Alessandro, Bettella, Francesco, Beyer, Mona K., Boen, Erlend, Borgwardt, Stefan, Brandt, Christine L., Buitelaar, Jan, Celius, Elisabeth G., Cervenka, Simon, Conzelmann, Annette, Cordova-Palomera, Aldo, Dale, Anders M., de Quervain, Dominique J. F., Carlo, PasqualeDi, Djurovic, Srdjan, Dorum, Erlend S., Eisenacher, Sarah, Elvsashagen, Torbjorn, Espeseth, Thomas, Fatouros-Bergman, Helena, Flyckt, Lena, Franke, Barbara, Frei, Oleksandr, Haatveit, Beathe, Haberg, Asta K., Harbo, Hanne F., Hartman, Catharina A., Heslenfeld, Dirk, Hoekstra, Pieter J., Hogestol, Einar A., Jernigan, Terry L., Jonassen, Rune, Jonsson, Erik G., Kirsch, Peter, Ktoszewska, Iwona, Kolskar, Knut K., Landro, Nils Inge, Hellard, StephanieLe, Lesch, Klaus-Peter, Lovestone, Simon, Lundervold, Arvid, Lundervold, Astri J., Maglanoc, Luigi A., Malt, Ulrik F., Mecocci, Patrizia, Melle, Ingrid, Meyer-Lindenberg, Andreas, Moberget, Torgeir, Norbom, Linn B., Nordvik, Jan Egil, Nyberg, Lars, Oosterlaan, Jaap, Papalino, Marco, Papassotiropoulos, Andreas, Pauli, Paul, Pergola, Giulio, Persson, Karin, Richard, Genevieve, Rokicki, Jaroslav, Sanders, Anne-Marthe, Selbaek, Geir, Shadrin, Alexey A., Smeland, Olav B., Soininen, Hilkka, Sowa, Piotr, Steen, Vidar M., Tsolaki, Magda, Ulrichsen, Kristine M., Vellas, Bruno, Wang, Lei, Westman, Eric, Ziegler, Georg C., Zink, Mathias, Andreassen, Ole A., Westlye, Lars T., Farde, Lars, Flyckts, Lena, Engberg, Goran, Erhardt, Sophie, Fatouros-Bergmann, Helena, Schwieler, Lilly, Piehl, Fredrik, Collste, Karin, Victorsson, Pauliina, Malmqvist, Anna, Hedberg, Mikael, and Orhan, Funda

Abstract

Common risk factors for psychiatric and other brain disorders are likely to converge on biological pathways influencing the development and maintenance of brain structure and function across life. Using structural MRI data from 45,615 individuals aged 3-96 years, we demonstrate distinct patterns of apparent brain aging in several brain disorders and reveal genetic pleiotropy between apparent brain aging in healthy individuals and common brain disorders.

Published
2019
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12. Effects of age, BMI and sex on the glial cell marker TSPO - a multicentre [C-11]PBR28 HRRT PET study

Author

Tuisku, Jouni, Plavén-Sigray, Pontus, Gaiser, Edward C., Airas, Laura, Al-Abdulrasul, Haidar, Brück, Anna, Carson, Richard E., Chen, Ming-Kai, Cosgrove, Kelly P., Ekblad, Laura, Esterlis, Irina, Farde, Lars, Forsberg, Anton, Halldin, Christer, Helin, Semi, Kosek, Eva, Lekander, Mats, Lindgren, Noora, Marjamäki, Päivi, Rissanen, Eero, Sucksdorff, Marcus, Varrone, Andrea, Collste, Karin, Gallezot, Jean-Dominique, Hillmer, Ansel, Huang, Yiyun, Höglund, Caroline O., Johansson, Jarkko, Jucaite, Aurelija, Lampa, Jon, Nabulsi, Nabeel, Pittman, Brian, Sandiego, Christine M., Stenkrona, Per, Rinne, Juha, Matuskey, David, Cervenka, Simon, Tuisku, Jouni, Plavén-Sigray, Pontus, Gaiser, Edward C., Airas, Laura, Al-Abdulrasul, Haidar, Brück, Anna, Carson, Richard E., Chen, Ming-Kai, Cosgrove, Kelly P., Ekblad, Laura, Esterlis, Irina, Farde, Lars, Forsberg, Anton, Halldin, Christer, Helin, Semi, Kosek, Eva, Lekander, Mats, Lindgren, Noora, Marjamäki, Päivi, Rissanen, Eero, Sucksdorff, Marcus, Varrone, Andrea, Collste, Karin, Gallezot, Jean-Dominique, Hillmer, Ansel, Huang, Yiyun, Höglund, Caroline O., Johansson, Jarkko, Jucaite, Aurelija, Lampa, Jon, Nabulsi, Nabeel, Pittman, Brian, Sandiego, Christine M., Stenkrona, Per, Rinne, Juha, Matuskey, David, and Cervenka, Simon

Abstract

Purpose The purpose of this study was to investigate the effects of ageing, sex and body mass index (BMI) on translocator protein (TSPO) availability in healthy subjects using positron emission tomography (PET) and the radioligand [C-11]PBR28. Methods [C-11]PBR28 data from 140 healthy volunteers (72 males and 68 females; N = 78 with HAB and N = 62 MAB genotype; age range 19-80 years; BMI range 17.6-36.9) were acquired with High Resolution Research Tomograph at three centres: Karolinska Institutet (N = 53), Turku PET centre (N = 62) and Yale University PET Center (N = 25). The total volume of distribution (V-T) was estimated in global grey matter, frontal, temporal, occipital and parietal cortices, hippocampus and thalamus using multilinear analysis 1. The effects of age, BMI and sex on TSPO availability were investigated using linear mixed effects model, with TSPO genotype and PET centre specified as random intercepts. Results There were significant positive correlations between age and V-T in the frontal and temporal cortex. BMI showed a significant negative correlation with V-T in all regions. Additionally, significant differences between males and females were observed in all regions, with females showing higher V-T. A subgroup analysis revealed a positive correlation between V-T and age in all regions in male subjects, whereas age showed no effect on TSPO levels in female subjects. Conclusion These findings provide evidence that individual biological properties may contribute significantly to the high variation shown in TSPO binding estimates, and suggest that age, BMI and sex can be confounding factors in clinical studies.

Published
2019
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13. Accuracy and reliability of [C-11]PBR28 specific binding estimated without the use of a reference region

Author

Plaven-Sigray, Pontus, Schain, Martin, Zanderigo, Francesca, Farde, Lars, Halldin, Christer, Forsberg, Anton, Varrone, Andrea, Jucaite, Aurelija, Cervenka, Simon, Stenkrona, Per, Collste, Karin, Kander, Matsle, Kosek, Eva, Lampa, Jon, Hoglund, Caroline Olgart, Rabiner, Eugenii A., Gunn, Roger N., Ogden, R. Todd, Cervenk, Simon, Plaven-Sigray, Pontus, Schain, Martin, Zanderigo, Francesca, Farde, Lars, Halldin, Christer, Forsberg, Anton, Varrone, Andrea, Jucaite, Aurelija, Cervenka, Simon, Stenkrona, Per, Collste, Karin, Kander, Matsle, Kosek, Eva, Lampa, Jon, Hoglund, Caroline Olgart, Rabiner, Eugenii A., Gunn, Roger N., Ogden, R. Todd, and Cervenk, Simon

Abstract

[C-11]PBR28 is a positron emission tomography radioligand used to examine the expression of the 18 kDa translocator protein (TSPO). TSPO is located in glial cells and can function as a marker for immune activation. Since TSPO is expressed throughout the brain, no true reference region exists. For this reason, an arterial input function is required for accurate quantification of [C-11]PBR28 binding and the most common outcome measure is the total distribution volume (V-T). Notably, V-T reflects both specific binding and non-displaceable binding. Therefore, estimates of specific binding, such as binding potential (e.g. BPND) and specific distribution volume (V-S) should theoretically be more sensitive to underlying differences in TSPO expression. It is unknown, however, if unbiased and accurate estimates of these outcome measures are obtainable for [C-11]PBR28. The Simultaneous Estimation (SIME) method uses time-activity-curves from multiple brain regions with the aim to obtain a brain-wide estimate of the non-displaceable distribution volume (V-ND), which can subsequently be used to improve the estimation of BPND and V-S. In this study we evaluated the accuracy of SIME-derived V-ND, and the reliability of resulting estimates of specific binding for [C-11]PBR28, using a combination of simulation experiments and in vivo studies in healthy humans. The simulation experiments, based on data from 54 unique [C-11]PBR28 examinations, showed that V-ND values estimated using SIME were both precise and accurate. Data from a pharmacological competition challenge (n = 5) showed that SIME provided V-ND values that were on average 19% lower than those obtained using the Lassen plot, but similar to values obtained using the Likelihood-Estimation of Occupancy technique. Test-retest data (n = 11) showed that SIME-derived V-S values exhibited good reliability and precision, while larger variability was observed in SIME-derived BPND values. The results support the use of SIME for quanti

Published
2019
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14. Brain Heterogeneity in Schizophrenia and Its Association With Polygenic Risk

Author

Alnaes, Dag, Kaufmann, Tobias, van der Meer, Dennis, Cordova-Palomera, Aldo, Rokicki, Jaroslav, Moberget, Torgeir, Bettella, Francesco, Agartz, Ingrid, Barch, Deanna M., Bertolino, Alessandro, Brandt, Christine L., Cervenka, Simon, Djurovic, Srdjan, Doan, Nhat Trung, Eisenacher, Sarah, Fatouros-Bergman, Helena, Flyckt, Lena, Di Giorgio, Annabella, Haatveit, Beathe, Jonsson, Erik G., Kirsch, Peter, Lund, Martina J., Meyer-Lindenberg, Andreas, Pergola, Giulio, Schwarz, Emanuel, Smeland, Olav B., Quarto, Tiziana, Zink, Mathias, Andreassen, Ole A., Westlye, Lars T., Farde, Lars, Collste, Karin, Victorsson, Pauliina, Engberg, Goran, Erhardt, Sophie, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, Sellgren, Carl M., Schwieler, Lilly, Piehl, Fredrik, Alnaes, Dag, Kaufmann, Tobias, van der Meer, Dennis, Cordova-Palomera, Aldo, Rokicki, Jaroslav, Moberget, Torgeir, Bettella, Francesco, Agartz, Ingrid, Barch, Deanna M., Bertolino, Alessandro, Brandt, Christine L., Cervenka, Simon, Djurovic, Srdjan, Doan, Nhat Trung, Eisenacher, Sarah, Fatouros-Bergman, Helena, Flyckt, Lena, Di Giorgio, Annabella, Haatveit, Beathe, Jonsson, Erik G., Kirsch, Peter, Lund, Martina J., Meyer-Lindenberg, Andreas, Pergola, Giulio, Schwarz, Emanuel, Smeland, Olav B., Quarto, Tiziana, Zink, Mathias, Andreassen, Ole A., Westlye, Lars T., Farde, Lars, Collste, Karin, Victorsson, Pauliina, Engberg, Goran, Erhardt, Sophie, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, Sellgren, Carl M., Schwieler, Lilly, and Piehl, Fredrik

Abstract

ImportanceBetween-individual variability in brain structure is determined by gene-environment interactions, possibly reflecting differential sensitivity to environmental and genetic perturbations. Magnetic resonance imaging (MRI) studies have revealed thinner cortices and smaller subcortical volumes in patients with schizophrenia. However, group-level comparisons may mask considerable within-group heterogeneity, which has largely remained unnoticed in the literature. ObjectivesTo compare brain structural variability between individuals with schizophrenia and healthy controls and to test whether respective variability reflects the polygenic risk score (PRS) for schizophrenia in an independent sample of healthy controls. Design, Setting, and ParticipantsThis case-control and polygenic risk analysis compared MRI-derived cortical thickness and subcortical volumes between healthy controls and patients with schizophrenia across 16 cohorts and tested for associations between PRS and MRI features in a control cohort from the UK Biobank. Data were collected from October 27, 2004, through April 12, 2018, and analyzed from December 3, 2017, through August 1, 2018. Main Outcomes and MeasuresMean and dispersion parameters were estimated using double generalized linear models. Vertex-wise analysis was used to assess cortical thickness, and regions-of-interest analyses were used to assess total cortical volume, total surface area, and white matter, subcortical, and hippocampal subfield volumes. Follow-up analyses included within-sample analysis, test of robustness of the PRS threshold, population covariates, outlier removal, and control for image quality. ResultsA comparison of 1151 patients with schizophrenia (mean [SD] age,33.8[10.6] years; 68.6% male [n=790] and 31.4% female [n=361]) with 2010 healthy controls (mean [SD] age,32.6[10.4] years; 56.0% male [n=1126] and 44.0% female [n=884]) revealed higher heterogeneity in schizophrenia for cortical thickness and area (t = 3.34)

Published
2019
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15. Mapping cortical brain asymmetry in 17,141 healthy individuals worldwide via the ENIGMA Consortium

Author

Kong, Xiang-Zhen, Mathias, Samuel R, Francks, Clyde, Grabe, Hans, Groenewold, Nynke A, Grotegerd, Dominik, Gruber, Oliver, Gurholt, Tiril, Haavik, Jan, Hahn, Tim, Hansell, Narelle K, Harris, Mathew A, Hartman, Catharina A, Hernández, Maria Del Carmen Valdés, Heslenfeld, Dirk, Hester, Robert, Hibar, Derrek Paul, Ho, Beng-Choon, Ho, Tiffany C, Hoekstra, Pieter J, van Holst, Ruth J, Hoogman, Martine, Høvik, Marie F, Howells, Fleur M, Hugdahl, Kenneth, Huyser, Chaim, Ingvar, Martin, Irwin, Lourdes, Ishikawa, Akari, James, Anthony, Jahanshad, Neda, Jernigan, Terry L, Jönsson, Erik G, Guadalupe, Tulio, Kähler, Claas, Kaleda, Vasily, Kelly, Clare, Kerich, Michael, Keshavan, Matcheri S, Khadka, Sabin, Kircher, Tilo, Kohls, Gregor, Konrad, Kerstin, Korucuoglu, Ozlem, Abé, Christoph, Krämer, Bernd, Krug, Axel, Kwon, Jun Soo, Lambregts-Rommelse, Nanda, Landén, Mikael, Lázaro, Luisa, Lebedeva, Irina, Lenroot, Rhoshel, Lesch, Klaus-Peter, Li, Qinqin, Agartz, Ingrid, Lim, Kelvin O, Liu, Jia, Lochner, Christine, London, Edythe D, Lonning, Vera, Lorenzetti, Valentina, Luciano, Michelle, Luijten, Maartje, Lundervold, Astri J, Mackey, Scott, Akudjedu, Theophilus N, MacMaster, Frank P, Maingault, Sophie, Malpas, Charles B, Malt, Ulrik F, Mataix-Cols, David, Martin-Santos, Rocio, Mayer, Andrew R, McCarthy, Hazel, Mitchell, Philip B, Mueller, Bryon A, Aleman, Andre, Maniega, Susana Muñoz, Mazoyer, Bernard, McDonald, Colm, McLellan, Quinn, McMahon, Katie L, McPhilemy, Genevieve, Momenan, Reza, Morales, Angelica M, Narayanaswamy, Janardhanan C, Moreira, José Carlos Vasques, Alhusaini, Saud, Nerland, Stener, Nestor, Liam, Newman, Erik, Nigg, Joel T, Nordvik, Jan Egil, Novotny, Stephanie, Weiss, Eileen Oberwelland, O'Gorman, Ruth L, Oosterlaan, Jaap, Oranje, Bob, Allen, Nicholas B, Orr, Catherine, Overs, Bronwyn, Pauli, Paul, Paulus, Martin, Plessen, Kerstin Jessica, von Polier, Georg G, Pomarol-Clotet, Edith, Portella, Maria J, Qiu, Jiang, Radua, Joaquim, Ames, David, Ramos-Quiroga, Josep Antoni, Reddy, Y C Janardhan, Reif, Andreas, Roberts, Gloria, Rosa, Pedro, Rubia, Katya, Sacchet, Matthew D, Sachdev, Perminder S, Salvador, Raymond, Schmaal, Lianne, Andreassen, Ole A, Schulte-Rüther, Martin, Schweren, Lizanne, Seidman, Larry, Seitz, Jochen, Serpa, Mauricio Henriques, Shaw, Philip, Shumskaya, Elena, Silk, Timothy J, Simmons, Alan N, Simulionyte, Egle, Vasquez, Alejandro Arias, Sinha, Rajita, Sjoerds, Zsuzsika, Smelror, Runar Elle, Soliva, Joan Carlos, Solowij, Nadia, Souza-Duran, Fabio Luisde, Sponheim, Scott R, Stein, Dan J, Stein, Elliot A, Stevens, Michael, Armstrong, Nicola J, Strike, Lachlan T, Sudre, Gustavo, Sui, Jing, Tamm, Leanne, Temmingh, Hendrik S, Thoma, Robert J, Tomyshev, Alexander, Tronchin, Giulia, Turner, Jessica, Uhlmann, Anne, Bergo, Felipe, van Erp, Theo G M, van den Heuvel, Odile A, van der Meer, Dennis, van Eijk, Liza, Vance, Alasdair, Veer, Ilya M, Veltman, Dick J, Venkatasubramanian, Ganesan, Vilarroya, Oscar, Vives-Gilabert, Yolanda, Bastin, Mark E, Voineskos, Aristotle N, Völzke, Henry, Vuletic, Daniella, Walitza, Susanne, Walter, Henrik, Walton, Esther, Wardlaw, Joanna M, Wen, Wei, Westlye, Lars T, Whelan, Christopher D, Batalla, Albert, White, Tonya, Wiers, Reinout W, Wright, Margaret J, Wittfeld, Katharina, Yang, Tony T, Yasuda, Clarissa L, Yoncheva, Yuliya, Yücel, Murat, Yun, Je-Yeon, Zanetti, Marcus Vinicius, Bauer, Jochen, Zhen, Zonglei, Zhu, Xing-Xing, Ziegler, Georg C, Zierhut, Kathrin, de Zubicaray, Greig I, Zwiers, Marcel, Glahn, David C, Franke, Barbara, Crivello, Fabrice, Tzourio-Mazoyer, Nathalie, Baune, Bernhard T, Fisher, Simon E, Thompson, Paul M, Farde, Lars, Flyckt, Lena, Engberg, Göran, Erhardt, Sophie, Fatouros-Bergman, Helena, Cervenka, Simon, Schwieler, Lilly, Baur-Streubel, Ramona, Piehl, Fredrik, Collste, Karin, Victorsson, Pauliina, Malmqvist, Anna, Hedberg, Mikael, Orhan, Funda, Group, ENIGMA Laterality Working, Biederman, Joseph, Blaine, Sara K, Boedhoe, Premika, Bøen, Erlend, Bose, Anushree, Bralten, Janita, Brandeis, Daniel, Brem, Silvia, Brodaty, Henry, Yüksel, Dilara, Brooks, Samantha J, Buitelaar, Jan, Bürger, Christian, Bülow, Robin, Calhoun, Vince, Calvo, Anna, Canales-Rodríguez, Erick Jorge, Canive, Jose M, Cannon, Dara M, Caparelli, Elisabeth C, Castellanos, Francisco X, Cavalleri, Gianpiero L, Cendes, Fernando, Chaim-Avancini, Tiffany Moukbel, Chantiluke, Kaylita, Chen, Qun-Lin, Chen, Xiayu, Cheng, Yuqi, Christakou, Anastasia, Clark, Vincent P, Coghill, David, Connolly, Colm G, Conzelmann, Annette, Córdova-Palomera, Aldo, Cousijn, Janna, Crow, Tim, Cubillo, Ana, Dale, Anders, Dannlowski, Udo, Ambrosino de Bruttopilo, Sara, de Zeeuw, Patrick, Deary, Ian J, Delanty, Norman, Demeter, Damion V, Di Martino, Adriana, Dickie, Erin W, Dietsche, Bruno, Doan, N Trung, Doherty, Colin P, Doyle, Alysa, Durston, Sarah, Earl, Eric, Ehrlich, Stefan, Ekman, Carl Johan, Elvsåshagen, Torbjørn, Epstein, Jeffery N, Fair, Damien A, Faraone, Stephen V, Fernández, Guillén, Filho, Geraldo Busatto, Förster, Katharina, Fouche, Jean-Paul, Foxe, John J, Frodl, Thomas, Fuentes-Claramonte, Paola, Fullerton, Janice, Garavan, Hugh, Garcia, Danielle do Santos, Gotlib, Ian H, Goudriaan, Anna E, [GIN] Grenoble Institut des Neurosciences (GIN), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Stochastics, Clinical Neuropsychology, Cognitive Psychology, IBBA, APH - Mental Health, Ontwikkelingspsychologie (Psychologie, FMG), Anatomy and neurosciences, Psychiatry, Pediatric surgery, Amsterdam Neuroscience - Brain Imaging, Child Psychiatry, Adult Psychiatry, ANS - Brain Imaging, AGEM - Endocrinology, metabolism and nutrition, Graduate School, AGEM - Inborn errors of metabolism, ARD - Amsterdam Reproduction and Development, General Paediatrics, APH - Digital Health, Radiology & Nuclear Medicine, Child and Adolescent Psychiatry / Psychology, and Universitat de Barcelona

Subjects
Dominància cerebral, Male, Databases, Factual, Planum temporale, Stress-related disorders Donders Center for Medical Neuroscience [Radboudumc 13], 0302 clinical medicine, Transverse temporal gyrus, 130 000 Cognitive Neurology & Memory, diagnostic imaging [Cerebral Cortex], 80 and over, Brain asymmetry, Neuroimaging/methods, Child, ENIGMA Laterality Working Group, Aged, 80 and over, Cerebral Cortex, Multidisciplinary, Laterality, 05 social sciences, Human brain, Middle Aged, Databases, Factual/statistics & numerical data, medicine.anatomical_structure, Mental Health, PNAS Plus, Lateralitat, Child, Preschool, Brain size, Neurological, Biomedical Imaging, Female, ddc:500, methods [Neuroimaging], Parahippocampal gyrus, Neuroinformatics, Adult, statistics & numerical data [Databases, Factual], Adolescent, Cerebral Cortex/diagnostic imaging, 1.1 Normal biological development and functioning, BF, Inferior frontal gyrus, Neuroimaging, and over, Biology, 050105 experimental psychology, Lateralization of brain function, 03 medical and health sciences, Databases, Young Adult, All institutes and research themes of the Radboud University Medical Center, Clinical Research, Underpinning research, Journal Article, medicine, Humans, lateralization, 0501 psychology and cognitive sciences, General, Preschool, Factual, Aged, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], [SCCO.NEUR]Cognitive science/Neuroscience, Neurosciences, Infant, surface area, cortical thickness, Brain Disorders, meta-analysis, Cerebral dominance, brain asymmetry, Neuroscience, Developmental Psychopathology, 030217 neurology & neurosurgery
Abstract

Hemispheric asymmetry is a cardinal feature of human brain organization. Altered brain asymmetry has also been linked to some cognitive and neuropsychiatric disorders. Here the ENIGMA consortium presents the largest ever analysis of cerebral cortical asymmetry and its variability across individuals. Cortical thickness and surface area were assessed in MRI scans of 17,141 healthy individuals from 99 datasets worldwide. Results revealed widespread asymmetries at both hemispheric and regional levels, with a generally thicker cortex but smaller surface area in the left hemisphere relative to the right. Regionally, asymmetries of cortical thickness and/or surface area were found in the inferior frontal gyrus, transverse temporal gyrus, parahippocampal gyrus, and entorhinal cortex. These regions are involved in lateralized functions, including language and visuospatial processing. In addition to population-level asymmetries, variability in brain asymmetry was related to sex, age, and brain size (indexed by intracranial volume). Interestingly, we did not find significant associations between asymmetries and handedness. Finally, with two independent pedigree datasets (N = 1,443 and 1,113, respectively), we found several asymmetries showing modest but highly reliable heritability. The structural asymmetries identified, and their variabilities and heritability provide a reference resource for future studies on the genetic basis of brain asymmetry and altered laterality in cognitive, neurological, and psychiatric disorders.Significance StatementLeft-right asymmetry is a key feature of the human brain's structure and function. It remains unclear which cortical regions are asymmetrical on average in the population, and how biological factors such as age, sex and genetic variation affect these asymmetries. Here we describe by far the largest ever study of cerebral cortical brain asymmetry, based on data from 17,141 participants. We found a global anterior-posterior 'torque' pattern in cortical thickness, together with various regional asymmetries at the population level, which have not been previously described, as well as effects of age, sex, and heritability estimates. From these data, we have created an on-line resource that will serve future studies of human brain anatomy in health and disease.

Published
2018
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16. Reply to: New Meta- and Mega-analyses of Magnetic Resonance Imaging Findings in Schizophrenia: Do They Really Increase Our Knowledge About the Nature of the Disease Process?

Author

van Erp, Theo G.M., primary, Walton, Esther, additional, Hibar, Derrek P., additional, Schmaal, Lianne, additional, Jiang, Wenhao, additional, Glahn, David C., additional, Pearlson, Godfrey D., additional, Yao, Nailin, additional, Fukunaga, Masaki, additional, Hashimoto, Ryota, additional, Okada, Naohiro, additional, Yamamori, Hidenaga, additional, Clark, Vincent P., additional, Mueller, Bryon A., additional, de Zwarte, Sonja M.C., additional, Ophoff, Roel A., additional, van Haren, Neeltje E.M., additional, Andreassen, Ole A., additional, Gurholt, Tiril P., additional, Gruber, Oliver, additional, Kraemer, Bernd, additional, Richter, Anja, additional, Calhoun, Vince D., additional, Crespo-Facorro, Benedicto, additional, Roiz-Santiañez, Roberto, additional, Tordesillas-Gutiérrez, Diana, additional, Loughland, Carmel, additional, Catts, Stanley, additional, Fullerton, Janice M., additional, Green, Melissa J., additional, Henskens, Frans, additional, Jablensky, Assen, additional, Mowry, Bryan J., additional, Pantelis, Christos, additional, Quidé, Yann, additional, Schall, Ulrich, additional, Scott, Rodney J., additional, Cairns, Murray J., additional, Seal, Marc, additional, Tooney, Paul A., additional, Rasser, Paul E., additional, Cooper, Gavin, additional, Shannon Weickert, Cynthia, additional, Weickert, Thomas W., additional, Hong, Elliot, additional, Kochunov, Peter, additional, Gur, Raquel E., additional, Gur, Ruben C., additional, Ford, Judith M., additional, Macciardi, Fabio, additional, Mathalon, Daniel H., additional, Potkin, Steven G., additional, Preda, Adrian, additional, Fan, Fengmei, additional, Ehrlich, Stefan, additional, King, Margaret D., additional, De Haan, Lieuwe, additional, Veltman, Dick J., additional, Assogna, Francesca, additional, Banaj, Nerisa, additional, de Rossi, Pietro, additional, Iorio, Mariangela, additional, Piras, Fabrizio, additional, Spalletta, Gianfranco, additional, Pomarol-Clotet, Edith, additional, Kelly, Sinead, additional, Ciufolini, Simone, additional, Radua, Joaquim, additional, Murray, Robin, additional, Marques, Tiago Reis, additional, Simmons, Andrew, additional, Borgwardt, Stefan, additional, Schönborn-Harrisberger, Fabienne, additional, Riecher-Rössler, Anita, additional, Smieskova, Renata, additional, Alpert, Kathryn I., additional, Bertolino, Alessandro, additional, Bonvino, Aurora, additional, Di Giorgio, Annabella, additional, Neilson, Emma, additional, Mayer, Andrew R., additional, Yun, Je-Yeon, additional, Cannon, Dara M., additional, Lebedeva, Irina, additional, Tomyshev, Alexander S., additional, Akhadov, Tolibjohn, additional, Kaleda, Vasily, additional, Fatouros-Bergman, Helena, additional, Flyckt, Lena, additional, Rosa, Pedro G.P., additional, Serpa, Mauricio H., additional, Zanetti, Marcus V., additional, Hoschl, Cyril, additional, Skoch, Antonin, additional, Spaniel, Filip, additional, Tomecek, David, additional, McIntosh, Andrew M., additional, Whalley, Heather C., additional, Knöchel, Christian, additional, Oertel-Knöchel, Viola, additional, Howells, Fleur M., additional, Stein, Dan J., additional, Temmingh, Henk S., additional, Uhlmann, Anne, additional, Lopez-Jaramillo, Carlos, additional, Dima, Danai, additional, Faskowitz, Joshua I., additional, Gutman, Boris A., additional, Jahanshad, Neda, additional, Thompson, Paul M., additional, Turner, Jessica A., additional, Farde, Lars, additional, Cervenka, Simon, additional, Agartz, Ingrid, additional, Collste, Karin, additional, Victorsson, Pauliina, additional, Engberg, Göran, additional, Erhardt, Sophie, additional, Schwieler, Lilly, additional, Malmqvist, Anna, additional, Hedberg, Mikael, additional, Orhan, Funda, additional, and Piehl, Fredrik, additional

Published
2019
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17. Accuracy and reliability of [11C]PBR28 specific binding estimated without the use of a reference region

Author

Plavén-Sigray, Pontus, primary, Schain, Martin, additional, Zanderigo, Francesca, additional, Rabiner, Eugenii A., additional, Gunn, Roger N., additional, Ogden, R. Todd, additional, Cervenka, Simon, additional, Farde, Lars, additional, Halldin, Christer, additional, Forsberg, Anton, additional, Varrone, Andrea, additional, Jucaite, Aurelija, additional, Stenkrona, Per, additional, Collste, Karin, additional, Lekander, Mats, additional, Kosek, Eva, additional, Lampa, Jon, additional, and Olgart Höglund, Caroline, additional

Published
2019
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18. Lower levels of the glial cell marker TSPO in drug-naive first-episode psychosis patients as measured using PET and [11C]PBR28

Author

Collste, Karin, Plavén-Sigray, Pontus, Fatouros-Bergman, Helena, Ikonen, Pauliina, Schain, Martin, Forsberg, Anton, Amini, Nahid, Aeinehband, Shanin, Karolinska Svhizopphrenia Project (KaSP) consortium, Erhardt, Sophie, Halldin, Christer, Flyckt, Lena, Farde, Lars, and Cervenka, Simon

Abstract

Several lines of evidence are indicative of a role for immune activation in the pathophysiology of schizophrenia. Nevertheless, studies using positron emission tomography (PET) and radioligands for the translocator protein (TSPO), a marker for glial activation, have yielded inconsistent results. Whereas early studies using a radioligand with low signal-to-noise in small samples showed increases in patients, more recent studies with improved methodology have shown no differences or trend-level decreases. Importantly, all patients investigated thus far have been on antipsychotic medication, and as these compounds may dampen immune cell activity, this factor limits the conclusions that can be drawn. Here, we examined 16 drug-naive, first-episode psychosis patients and 16 healthy controls using PET and the TSPO radioligand [11C]PBR28. Gray matter (GM) volume of distribution (VT) derived from a two-tissue compartmental analysis with arterial input function was the main outcome measure. Statistical analyses were performed controlling for both TSPO genotype, which is known to affect [11C]PBR28 binding, and gender. There was a significant reduction of [11C]PBR28 VT in patients compared with healthy controls in GM as well as in secondary regions of interest. No correlation was observed between GM VT and clinical or cognitive measures after correction for multiple comparisons. The observed decrease in TSPO binding suggests reduced numbers or altered function of immune cells in brain in early-stage schizophrenia.

Published
2017

19. Cortical Brain Abnormalities in 4474 Individuals With Schizophrenia and 5098 Control Subjects via the Enhancing Neuro Imaging Genetics Through Meta Analysis (ENIGMA) Consortium

Author

van Erp, Theo G.M., primary, Walton, Esther, additional, Hibar, Derrek P., additional, Schmaal, Lianne, additional, Jiang, Wenhao, additional, Glahn, David C., additional, Pearlson, Godfrey D., additional, Yao, Nailin, additional, Fukunaga, Masaki, additional, Hashimoto, Ryota, additional, Okada, Naohiro, additional, Yamamori, Hidenaga, additional, Bustillo, Juan R., additional, Clark, Vincent P., additional, Agartz, Ingrid, additional, Mueller, Bryon A., additional, Cahn, Wiepke, additional, de Zwarte, Sonja M.C., additional, Hulshoff Pol, Hilleke E., additional, Kahn, René S., additional, Ophoff, Roel A., additional, van Haren, Neeltje E.M., additional, Andreassen, Ole A., additional, Dale, Anders M., additional, Doan, Nhat Trung, additional, Gurholt, Tiril P., additional, Hartberg, Cecilie B., additional, Haukvik, Unn K., additional, Jørgensen, Kjetil N., additional, Lagerberg, Trine V., additional, Melle, Ingrid, additional, Westlye, Lars T., additional, Gruber, Oliver, additional, Kraemer, Bernd, additional, Richter, Anja, additional, Zilles, David, additional, Calhoun, Vince D., additional, Crespo-Facorro, Benedicto, additional, Roiz-Santiañez, Roberto, additional, Tordesillas-Gutiérrez, Diana, additional, Loughland, Carmel, additional, Carr, Vaughan J., additional, Catts, Stanley, additional, Cropley, Vanessa L., additional, Fullerton, Janice M., additional, Green, Melissa J., additional, Henskens, Frans A., additional, Jablensky, Assen, additional, Lenroot, Rhoshel K., additional, Mowry, Bryan J., additional, Michie, Patricia T., additional, Pantelis, Christos, additional, Quidé, Yann, additional, Schall, Ulrich, additional, Scott, Rodney J., additional, Cairns, Murray J., additional, Seal, Marc, additional, Tooney, Paul A., additional, Rasser, Paul E., additional, Cooper, Gavin, additional, Shannon Weickert, Cynthia, additional, Weickert, Thomas W., additional, Morris, Derek W., additional, Hong, Elliot, additional, Kochunov, Peter, additional, Beard, Lauren M., additional, Gur, Raquel E., additional, Gur, Ruben C., additional, Satterthwaite, Theodore D., additional, Wolf, Daniel H., additional, Belger, Aysenil, additional, Brown, Gregory G., additional, Ford, Judith M., additional, Macciardi, Fabio, additional, Mathalon, Daniel H., additional, O’Leary, Daniel S., additional, Potkin, Steven G., additional, Preda, Adrian, additional, Voyvodic, James, additional, Lim, Kelvin O., additional, McEwen, Sarah, additional, Yang, Fude, additional, Tan, Yunlong, additional, Tan, Shuping, additional, Wang, Zhiren, additional, Fan, Fengmei, additional, Chen, Jingxu, additional, Xiang, Hong, additional, Tang, Shiyou, additional, Guo, Hua, additional, Wan, Ping, additional, Wei, Dong, additional, Bockholt, Henry J., additional, Ehrlich, Stefan, additional, Wolthusen, Rick P.F., additional, King, Margaret D., additional, Shoemaker, Jody M., additional, Sponheim, Scott R., additional, De Haan, Lieuwe, additional, Koenders, Laura, additional, Machielsen, Marise W., additional, van Amelsvoort, Therese, additional, Veltman, Dick J., additional, Assogna, Francesca, additional, Banaj, Nerisa, additional, de Rossi, Pietro, additional, Iorio, Mariangela, additional, Piras, Fabrizio, additional, Spalletta, Gianfranco, additional, McKenna, Peter J., additional, Pomarol-Clotet, Edith, additional, Salvador, Raymond, additional, Corvin, Aiden, additional, Donohoe, Gary, additional, Kelly, Sinead, additional, Whelan, Christopher D., additional, Dickie, Erin W., additional, Rotenberg, David, additional, Voineskos, Aristotle N., additional, Ciufolini, Simone, additional, Radua, Joaquim, additional, Dazzan, Paola, additional, Murray, Robin, additional, Reis Marques, Tiago, additional, Simmons, Andrew, additional, Borgwardt, Stefan, additional, Egloff, Laura, additional, Harrisberger, Fabienne, additional, Riecher-Rössler, Anita, additional, Smieskova, Renata, additional, Alpert, Kathryn I., additional, Wang, Lei, additional, Jönsson, Erik G., additional, Koops, Sanne, additional, Sommer, Iris E.C., additional, Bertolino, Alessandro, additional, Bonvino, Aurora, additional, Di Giorgio, Annabella, additional, Neilson, Emma, additional, Mayer, Andrew R., additional, Stephen, Julia M., additional, Kwon, Jun Soo, additional, Yun, Je-Yeon, additional, Cannon, Dara M., additional, McDonald, Colm, additional, Lebedeva, Irina, additional, Tomyshev, Alexander S., additional, Akhadov, Tolibjohn, additional, Kaleda, Vasily, additional, Fatouros-Bergman, Helena, additional, Flyckt, Lena, additional, Busatto, Geraldo F., additional, Rosa, Pedro G.P., additional, Serpa, Mauricio H., additional, Zanetti, Marcus V., additional, Hoschl, Cyril, additional, Skoch, Antonin, additional, Spaniel, Filip, additional, Tomecek, David, additional, Hagenaars, Saskia P., additional, McIntosh, Andrew M., additional, Whalley, Heather C., additional, Lawrie, Stephen M., additional, Knöchel, Christian, additional, Oertel-Knöchel, Viola, additional, Stäblein, Michael, additional, Howells, Fleur M., additional, Stein, Dan J., additional, Temmingh, Henk S., additional, Uhlmann, Anne, additional, Lopez-Jaramillo, Carlos, additional, Dima, Danai, additional, McMahon, Agnes, additional, Faskowitz, Joshua I., additional, Gutman, Boris A., additional, Jahanshad, Neda, additional, Thompson, Paul M., additional, Turner, Jessica A., additional, Farde, Lars, additional, Engberg, Göran, additional, Erhardt, Sophie, additional, Cervenka, Simon, additional, Schwieler, Lilly, additional, Piehl, Fredrik, additional, Collste, Karin, additional, Victorsson, Pauliina, additional, Malmqvist, Anna, additional, Hedberg, Mikael, additional, and Orhan, Funda, additional

Published
2018
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20. PET studies on the immune cell marker TSPO in first episode psychosis patients

Author

Collste, Karin and Collste, Karin

Abstract

Several lines of evidence are indicative of a role for immune activation in the pathophysiology of schizophrenia. Nevertheless, studies using positron emission tomography (PET) and radioligands for the translocator protein (TSPO), a marker for glial activation, have yielded inconsistent results. In the present thesis the primary aim was to investigate immune activation in brain in early schizophrenia by examining brain TSPO availability in a cohort of first-episode psychosis (FEP) patients, never before exposed to antipsychotics. In our first study we assessed the reproducibility of the second generation radioligand [11C]PBR28 by performing repeat measurements in 12 healthy control subjects. We found a medium test-retest reproducibility, but high reliability in [11C]PBR28 binding. A numerically lower variability was detected for subjects examined in the morning of separate days, as opposed to morning and afternoon of the same day, where higher afternoon TSPO levels were observed using secondary methods of quantification. The results suggest that diurnal variation may be a potential confounder in clinical studies. In our second study we examined 32 healthy individuals, using [11C]PBR28, of which 26 had repeat PET measurements. We found a strong association between TSPO availability in brain and blood cells, both at baseline and when analyzing change between two PET examinations. There was also a significant correlation between change in peripheral leukocyte numbers and change in brain TSPO. The results suggest interplay between central and peripheral TSPO at physiological conditions, and that measurement of radioligand binding in blood cells may be a way to control for peripheral immune function in PET studies of TSPO in brain. In our third study we examined 16 antipsychotic-naïve FEP patients and 16 control subjects with PET and [11C]PBR28. A significant decrease in TSPO availability in brain was detected in patients as compared to controls. The results indicate tha

Published
2017

21. PET studies of the glial cell marker TSPO in psychosis patients - a meta-analysis using individual participant data

Author

Plavén-Sigray, Pontus, primary, Matheson, Granville J., additional, Collste, Karin, additional, Ashok, Abhishekh H., additional, Coughlin, Jennifer M., additional, Howes, Oliver D., additional, Mizrahi, Romina, additional, Pomper, Martin G., additional, Rusjan, Pablo, additional, Veronese, Mattia, additional, Wang, Yuchuan, additional, and Cervenka, Simon, additional

Published
2017
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22. LOWER THALAMIC DOPAMINE D2-RECEPTOR BINDING IN DRUG-NAIVE PATIENTS WITH PSYCHOSIS – A REPLICATION STUDY USING POSITRON EMISSION TOMOGRAPHY.

Author

Victorsson, Pauliina, Plavén-Sigray, Pontus, Matheson, Granville, Santillo, Alexander, Lee, Maria, Collste, Karin, Fatouros-Bergman, Helena, Agartz, Ingrid, Halldin, Christer, Farde, Lars, and Cervenka, Simon

Subjects
CELL receptors, CONFERENCES & conventions, DOPAMINE, PSYCHOSES, THALAMUS, POSITRON emission tomography
Abstract

Background: The dopamine system is a central focus of research on the pathophysiology and treatment of schizophrenia. With regard to the dopamine D2-receptor (D2-R), Positron Emission Tomography (PET) studies have shown a small increase in striatal receptor availability. In contrast, a more recent line of research has demonstrated lower levels of D2-R (Cohen’s D = -0.32) in the thalamus, a region of key interest for the pathophysiology of schizophrenia. However, some studies included patients previously on antipsychotic medication, or were performed using radioligands with suboptimal affinity for the much lower D2-R density in thalamus compared to striatum. In addition, the resolution of previous PET systems has not allowed for a more detailed analysis of functional thalamic subregions. Here we examined a fully antipsychotic-naïve sample of first-episode psychosis patients using the high-affinity D2-R radioligand [11C]FLB457 and high-resolution PET. The aim was to a) replicate previous findings of lower D2-R in thalamus in patients and b) specifically examine patient-control differences in thalamic subregions based on their cortical connectivity. Methods: Nineteen antipsychotic-naïve first episode psychosis patients (mean age = 29.3; sd = 6.3, 11 males) and 19 age- and sex matched healthy comparison subjects were included in the analysis. PET measurements were obtained using a High Resolution Research Tomograph (HRRT). A ROI for whole thalamus was defined using the FSL Harvard Oxford Subcortical Atlas, whereas ROIs for thalamic subregions were based on the Oxford Thalamic Connectivity Atlas. Binding potential (BPND) was calculated using the Logan graphical analysis with cerebellum as reference region. The statistical analyses, which were all pre-registered, were performed using frequentist and Bayesian paired-samples t-tests. Results: The frequentist paired t-test showed that patients had significantly lower binding than control subjects in whole thalamus (Cohen’s D = -0.479, p = 0.026). Bayes factor from the Bayesian paired t-test indicated that there was approximately 5 times more support for the hypothesis of lower BPND in patients, compared to the null hypothesis of no difference. Among subregions, the ROI corresponding to prefrontal thalamic connectivity showed the largest effect (Cohen’s D = -0.527, p = 0.017), and Bayes factor indicated that there was 6 times more support for lower BPND in patients compared to no difference. Discussion: Using high resolution PET and a high affinity D2-R radioligand in antipsychotic-naïve first-episode psychosis patients, this study replicates the previously reported meta-analytical effect size of lower thalamic receptor availability in patients. The strongest effect was observed in the subregion dominated by connections to prefrontal cortex. The findings may reflect a dysregulation of the thalamic dopamine system in schizophrenia, which in turn could underlie aberrant functional connectivity in key fronto-thalamic circuits. [ABSTRACT FROM AUTHOR]

Published
2020
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23. Effects of age, BMI and sex on the glial cell marker TSPO - a multicentre [ 11 C]PBR28 HRRT PET study.

Author

Tuisku J, Plavén-Sigray P, Gaiser EC, Airas L, Al-Abdulrasul H, Brück A, Carson RE, Chen MK, Cosgrove KP, Ekblad L, Esterlis I, Farde L, Forsberg A, Halldin C, Helin S, Kosek E, Lekander M, Lindgren N, Marjamäki P, Rissanen E, Sucksdorff M, Varrone A, Collste K, Gallezot JD, Hillmer A, Huang Y, Höglund CO, Johansson J, Jucaite A, Lampa J, Nabulsi N, Pittman B, Sandiego CM, Stenkrona P, Rinne J, Matuskey D, and Cervenka S

Subjects
Adult, Age Factors, Aged, Aged, 80 and over, Aging, Female, Genotype, Humans, Male, Middle Aged, Pyrimidines, Sex Factors, Young Adult, Body Mass Index, Positron-Emission Tomography, Receptors, GABA chemistry
Abstract

Purpose: The purpose of this study was to investigate the effects of ageing, sex and body mass index (BMI) on translocator protein (TSPO) availability in healthy subjects using positron emission tomography (PET) and the radioligand [ 11 C]PBR28., Methods: [ 11 C]PBR28 data from 140 healthy volunteers (72 males and 68 females; N = 78 with HAB and N = 62 MAB genotype; age range 19-80 years; BMI range 17.6-36.9) were acquired with High Resolution Research Tomograph at three centres: Karolinska Institutet (N = 53), Turku PET centre (N = 62) and Yale University PET Center (N = 25). The total volume of distribution (V T ) was estimated in global grey matter, frontal, temporal, occipital and parietal cortices, hippocampus and thalamus using multilinear analysis 1. The effects of age, BMI and sex on TSPO availability were investigated using linear mixed effects model, with TSPO genotype and PET centre specified as random intercepts., Results: There were significant positive correlations between age and V T in the frontal and temporal cortex. BMI showed a significant negative correlation with V T in all regions. Additionally, significant differences between males and females were observed in all regions, with females showing higher V T . A subgroup analysis revealed a positive correlation between V T and age in all regions in male subjects, whereas age showed no effect on TSPO levels in female subjects., Conclusion: These findings provide evidence that individual biological properties may contribute significantly to the high variation shown in TSPO binding estimates, and suggest that age, BMI and sex can be confounding factors in clinical studies.

Published
2019
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