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Language
- English (5)
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- Bipolar disorder (1)
- Circadian (1)
- Genetics (1)
- Immunogenetics (1)
- Immunology (1)
- Psychiatric disorders (1)
- Psychiatry (1)
- Seasonal variation (1)
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Institute
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HLA-DRB1 and HLA-DQB1 genetic diversity modulates response to lithium in bipolar affective disorders
(2021)
Le Clerc, Sigrid ; Lombardi, Laura ; Amare, Azmeraw T. ; Schubert, Klaus Oliver ; Hou, Liping ; Clark, Scott R. ; Papiol, Sergi ; Cearns, Micah ; Heilbronner, Urs ; Degenhardt, Franziska ; Tekola-Ayele, Fasil ; Hsu, Yi-Hsiang ; Shekhtman, Tatyana ; Adli, Mazda ; Akula, Nirmala ; Akiyama, Kazufumi ; Ardau, Raffaella ; Arias, Bárbara ; Aubry, Jean-Michel ; Backlund, Lena ; Bhattacharjee, Abesh Kumar ; Bellivier, Frank ; Benabarre, Antonio ; Bengesser, Susanne ; Biernacka, Joanna ; Birner, Armin ; Brichant-Petitjean, Clara ; Cervantes, Pablo ; Chen, Hsi-Chung ; Chillotti, Caterina ; Cichon, Sven ; Cruceanu, Cristiana ; Czerski, Piotr M. ; Dalkner, Nina ; Dayer, Alexandre ; Baune, Bernhard T. ; Del Zompo, Maria ; DePaulo, J. Raymond ; Étain, Bruno ; Jamain, Stephane ; Falkai, Peter ; Forstner, Andreas Josef ; Frisen, Louise ; Frye, Mark A. ; Fullerton, Janice M. ; Gard, Sébastien ; Garnham, Julie S. ; Goes, Fernando S. ; Grigoroiu-Serbanescu, Maria ; Grof, Paul ; Hashimoto, Ryota ; Hauser, Joanna ; Herms, Stefan ; Hoffmann, Per ; Jiménez, Esther ; Kahn, Jean-Pierre ; Kassem, Layla ; Kuo, Po-Hsiu ; Kato, Tadafumi ; Kelsoe, John R. ; Kittel-Schneider, Sarah ; Ferensztajn-Rochowiak, Ewa ; König, Barbara ; Kusumi, Ichiro ; Laje, Gonzalo ; Landén, Mikael ; Lavebratt, Catharina ; Leckband, Susan G. ; Tortorella, Alfonso ; Manchia, Mirko ; Martinsson, Lina ; McCarthy, Michael J. ; McElroy, Susan ; Colom, Francesc ; Millischer, Vincent ; Mitjans, Marina ; Mondimore, Francis Mark ; Monteleone, Palmiero ; Nievergelt, Caroline M. ; Nöthen, Markus Maria ; Novák, Tomas ; O'Donovan, Claire ; Ozaki, Norio ; Ösby, Urban ; Pfennig, Andrea ; Potash, James B. ; Reif, Andreas ; Reininghaus, Eva ; Rouleau, Guy A. ; Rybakowski, Janusz K. ; Schalling, Martin ; Schofield, Peter R. ; Schweizer, Barbara W. ; Severino, Giovanni ; Shilling, Paul D. ; Shimoda, Katzutaka ; Simhandl, Christian ; Slaney, Claire M. ; Pisanu, Claudia ; Squassina, Alessio ; Stamm, Thomas ; Stopkova, Pavla ; Maj, Mario ; Turecki, Gustavo ; Vieta, Eduard ; Veeh, Julia ; Witt, Stephanie H. ; Wright, Adam ; Zandi, Peter P. ; Mitchell, Philip B. ; Bauer, Michael ; Alda, Martin ; Rietschel, Marcella ; McMahon, Francis J. ; Schulze, Thomas Gerd ; Spadoni, Jean-Louis ; Boukouaci, Wahid ; Richard, Jean-Romain ; Le Corvoisier, Philippe ; Barrau, Caroline ; Zagury, Jean-François ; Leboyer, Marion ; Tamouza, Ryad
Bipolar affective disorder (BD) is a severe psychiatric illness, for which lithium (Li) is the gold standard for acute and maintenance therapies. The therapeutic response to Li in BD is heterogeneous and reliable biomarkers allowing patients stratification are still needed. A GWAS performed by the International Consortium on Lithium Genetics (ConLiGen) has recently identified genetic markers associated with treatment responses to Li in the human leukocyte antigens (HLA) region. To better understand the molecular mechanisms underlying this association, we have genetically imputed the classical alleles of the HLA region in the European patients of the ConLiGen cohort. We found our best signal for amino-acid variants belonging to the HLA-DRB1*11:01 classical allele, associated with a better response to Li (p < 1 × 10−3; FDR < 0.09 in the recessive model). Alanine or Leucine at position 74 of the HLA-DRB1 heavy chain was associated with a good response while Arginine or Glutamic acid with a poor response. As these variants have been implicated in common inflammatory/autoimmune processes, our findings strongly suggest that HLA-mediated low inflammatory background may contribute to the efficient response to Li in BD patients, while an inflammatory status overriding Li anti-inflammatory properties would favor a weak response.
Koromina, Maria ; Ravi, Ashvin ; Panagiotaropoulou, Georgia ; Schilder, Brian M. ; Humphrey, Jack ; Braun, Alice ; Bidgeli, Tim ; Chatzinakos, Chris ; Coombes, Brandon ; Kim, Jaeyoung ; Liu, Xiaoxi ; Terao, Chikashi ; O'Connell, Kevin S. ; Adams, Mark ; Adolfsson, Rolf ; Alda, Martin ; Alfredsson, Lars ; Andlauer, Till ; Andreassen, Ole A. ; Antoniou, Anastasia ; Baune, Bernhard T. ; Bengesser, Susanne ; Biernacka, Joanna ; Boehnke, Michael ; Bosch, Rosa ; Cairns, Murray ; Carr, Vaughan J. ; Casas Brugué, Miquel ; Catts, Stanley ; Cichon, Sven ; Corvin, Aiden ; Craddock, Nicholas ; Dafnas, Konstantinos ; Dalkner, Nina ; Dannlowski, Udo ; Degenhardt, Franziska ; Di Florio, Arianna ; Dikeos, Dimitris ; Fellendorf, Frederike Tabea ; Ferentinos, Panagiotis ; Forstner, Andreas Josef ; Forty, Liz ; Frye, Mark ; Fullerton, Janice M. ; Gawlik, Micha ; Gizer, Ian R. ; Gordon-Smith, Katherine ; Green, Melissa J. ; Grigoroiu-Serbanescu, Maria ; Guzman-Parra, José ; Hahn, Tim ; Henskens, Frans ; Hillert, Jan ; Jablensky, Assen V. ; Jones, Lisa ; Jones, Ian ; Jonsson, Lina ; Kelsoe, John R. ; Kircher, Tilo ; Kirov, George ; Kittel-Schneider, Sarah ; Kogevinas, Manolis ; Landén, Mikael ; Leboyer, Marion ; Lenger, Melanie ; Lissowska, Jolanta ; Lochner, Christine ; Loughland, Carmel ; MacIntyre, Donald ; Martin, Nicholas G. ; Maratou, Eirini ; Mathews, Carol A. ; Mayoral, Fermı́n ; McElroy, Susan L. ; McGregor, Nathaniel W. ; McIntosh, Andrew M. ; McQuillin, Andrew ; Michie, Patricia ; Milanova, Vihra ; Mitchell, Philip B. ; Moutsatsou, Paraskevi ; Mowry, Bryan ; Müller-Myhsok, Bertram ; Myers, Richard M. ; Nenadić, Igor ; Nöthen, Markus Maria ; O'Donovan, Claire ; O'Donovan, Michael ; Ophoff, Roel André ; Owen, Michael J. ; Pantelis, Christos ; Pato, Carlos ; Pato, Michele T. ; Patrinos, George P. ; Pawlak, Joanna M. ; Perlis, Roy H. ; Porichi, Evgenia ; Posthuma, Danielle ; Ramos-Quiroga, Josep Antoni ; Reif, Andreas ; Reininghaus, Eva Z. ; Ribasés, Marta ; Rietschel, Marcella ; Schall, Ulrich ; Schulze, Thomas Gerd ; Scott, Laura J. ; Scott, Rodney J. ; Serretti, Alessandro ; Shannon Weickert, Cynthia ; Smoller, Jordan W. ; Soler Artigas, Marı́a ; Stein, Dan J. ; Streit, Fabian ; Toma, Claudio ; Tooney, Paul ; Vieta, Eduard ; Vincent, John B. ; Waldman, Irwin D. ; Weickert, Thomas ; Witt, Stephanie H. ; Hong, Kyung Sue ; Ikeda, Masashi ; Iwata, Nakao ; Świątkowska, Beata ; Won, Hong-Hee ; Edenberg, Howard J. ; Ripke, Stephan ; Raj, Towfique ; Coleman, Jonathan R. I. ; Mullins, Niamh
Bipolar disorder (BD) is a heritable mental illness with complex etiology. While the largest published genome-wide association study identified 64 BD risk loci, the causal SNPs and genes within these loci remain unknown. We applied a suite of statistical and functional fine-mapping methods to these loci, and prioritized 22 likely causal SNPs for BD. We mapped these SNPs to genes, and investigated their likely functional consequences by integrating variant annotations, brain cell-type epigenomic annotations, brain quantitative trait loci, and results from rare variant exome sequencing in BD. Convergent lines of evidence supported the roles of SCN2A, TRANK1, DCLK3, INSYN2B, SYNE1, THSD7A, CACNA1B, TUBBP5, PLCB3, PRDX5, KCNK4, AP001453.3, TRPT1, FKBP2, DNAJC4, RASGRP1, FURIN, FES, YWHAE, DPH1, GSDMB, MED24, THRA, EEF1A2, and KCNQ2 in BD. These represent promising candidates for functional experiments to understand biological mechanisms and therapeutic potential. Additionally, we demonstrated that fine-mapping effect sizes can improve performance and transferability of BD polygenic risk scores across ancestrally diverse populations, and present a high-throughput fine-mapping pipeline (https://github.com/mkoromina/SAFFARI).
Hou, Liping ; Bergen, Sarah E. ; Akula, Nirmala ; Song, Jie ; Hultman, Christina M. ; Landén, Mikael ; Adli, Mazda ; Alda, Martin ; Ardau, Raffaella ; Arias, Bárbara ; Aubry, Jean-Michel ; Backlund, Lena ; Badner, Judith A. ; Barrett, Thomas B. ; Bauer, Michael ; Baune, Bernhard T. ; Bellivier, Frank ; Benabarre Hernandez, Antonio ; Bengesser, Susanne ; Berrettini, Wade H. ; Bhattacharjee, Abesh Kumar ; Biernacka, Joanna ; Birner, Armin ; Bloss, Cinnamon S. ; Brichant-Petitjean, Clara ; Bui, Elise T. ; Byerley, William ; Cervantes, Pablo ; Chillotti, Caterina ; Cichon, Sven ; Colom, Francesc ; Coryell, William ; Craig, David W. ; Cruceanu, Cristiana ; Czerski, Piotr M. ; Davis, Tony ; Dayer, Alexandre ; Degenhardt, Franziska ; Del Zompo, Maria ; DePaulo, J. Raymond ; Edenberg, Howard J. ; Étain, Bruno ; Falkai, Peter ; Foroud, Tatiana ; Forstner, Andreas Josef ; Frisén, Louise ; Frye, Mark A. ; Fullerton, Janice M. ; Gard, Sébastien ; Garnham, Julie S. ; Gershon, Elliot S. ; Goes, Fernando S. ; Greenwood, Tiffany A. ; Grigoroiu-Serbanescu, Maria ; Hauser, Joanna ; Heilbronner, Urs ; Heilmann-Heimbach, Stefanie ; Herms, Stefan ; Hipolito, Maria ; Hitturlingappa, Shashi ; Hoffmann, Per ; Hofmann, Andrea ; Jamain, Stephane ; Jiménez, Esther ; Kahn, Jean-Pierre ; Kassem, Layla ; Kelsoe, John R. ; Kittel-Schneider, Sarah ; Kliwicki, Sebastian ; Koller, Daniel L. ; König, Barbara ; Lackner, Nina ; Laje, Gonzalo ; Lang, Maren ; Lavebratt, Catharina ; Lawson, William B. ; Leboyer, Marion ; Leckband, Susan G. ; Liu, Chunyu ; Maaser, Anna ; Mahon, Pamela B. ; Maier, Wolfgang ; Maj, Mario ; Manchia, Mirko ; Martinsson, Lina ; McCarthy, Michael J. ; McElroy, Susan L. ; McInnis, Melvin G. ; McKinney, Rebecca ; Mitchell, Philip B. ; Mitjans, Marina ; Mondimore, Francis Mark ; Monteleone, Palmiero ; Mühleisen, Thomas W. ; Nievergelt, Caroline M. ; Nöthen, Markus Maria ; Novák, Tomas ; Nurnberger, John I. ; Nwulia, Evaristus A. ; Ösby, Urban ; Pfennig, Andrea ; Potash, James B. ; Propping, Peter ; Reif, Andreas ; Reininghaus, Eva ; Rice, John ; Rietschel, Marcella ; Rouleau, Guy A. ; Rybakowski, Janusz K. ; Schalling, Martin ; Scheftner, William A. ; Schofield, Peter R. ; Schork, Nicholas J. ; Schulze, Thomas Gerd ; Schumacher, Johannes ; Schweizer, Barbara W. ; Severino, Giovanni ; Shekhtman, Tatyana ; Shilling, Paul D. ; Simhandl, Christian ; Slaney, Claire M. ; Smith, Erin N. ; Squassina, Alessio ; Stamm, Thomas ; Stopkova, Pavla ; Streit, Fabian ; Strohmaier, Jana ; Szelinger, Szabolcs ; Tighe, Sarah K. ; Tortorella, Alfonso ; Turecki, Gustavo ; Vieta, Eduard ; Volkert, Julia ; Witt, Stephanie H. ; Wright, Adam ; Zandi, Peter P. ; Zhang, Peng ; Zollner, Sebastian ; McMahon, Francis J.
Bipolar disorder (BD) is a genetically complex mental illness characterized by severe oscillations of mood and behavior. Genome-wide association studies (GWAS) have identified several risk loci that together account for a small portion of the heritability. To identify additional risk loci, we performed a two-stage meta-analysis of >9 million genetic variants in 9,784 bipolar disorder patients and 30,471 controls, the largest GWAS of BD to date. In this study, to increase power we used ~2,000 lithium-treated cases with a long-term diagnosis of BD from the Consortium on Lithium Genetics, excess controls, and analytic methods optimized for markers on the Xchromosome. In addition to four known loci, results revealed genome-wide significant associations at two novel loci: an intergenic region on 9p21.3 (rs12553324, p = 5.87×10-9; odds ratio = 1.12) and markers within ERBB2 (rs2517959, p = 4.53×10-9; odds ratio = 1.13). No significant X-chromosome associations were detected and X-linked markers explained very little BD heritability. The results add to a growing list of common autosomal variants involved in BD and illustrate the power of comparing well-characterized cases to an excess of controls in GWAS.
O’Connell, Kevin S. ; Koromina, Maria ; van der Veen, Tracey ; Boltz, Toni ; David, Friederike S. ; Kay Yang, Jessica Mei ; Lin, Keng-Han ; Wang, Xin ; Coleman, Jonathan R. I. ; Mitchell, Brittany L. ; McGrouther, Caroline C. ; Rangan, Aaditya V. ; Lind, Penelope A. ; Koch, Elise ; Harder, Arvid ; Parker, Nadine ; Bendl, Jaroslav ; Adorjan, Kristina ; Agerbo, Esben ; Albani, Diego ; Alemany, Silvia ; Alliey-Rodriguez, Ney ; Als, Thomas D. ; Andlauer, Till F. M. ; Antoniou, Anastasia ; Ask, Helga ; Bass, Nicholas ; Bauer, Michael ; Beins, Eva C. ; Bigdeli, Tim B. ; Pedersen, Carsten Bøcker ; Boks, Marco P. ; Børte, Sigrid ; Bosch, Rosa ; Brum, Murielle ; Brumpton, Ben M. ; Brunkhorst-Kanaan, Nathalie ; Budde, Monika ; Bybjerg-Grauholm, Jonas ; Byerley, William ; Cabana-Domínguez, Judit ; Cairns, Murray J. ; Carpiniello, Bernardo ; Casas, Miquel ; Cervantes, Pablo ; Chatzinakos, Chris ; Chen, Hsi-Chung ; Clarence, Tereza ; Clarke, Toni-Kim ; Claus, Isabelle ; Coombes, Brandon ; Corfield, Elizabeth C. ; Cruceanu, Cristiana ; Cuellar-Barboza, Alfredo ; Czerski, Piotr M. ; Dafnas, Konstantinos ; Dale, Anders M. ; Dalkner, Nina ; Degenhardt, Franziska ; DePaulo, J. Raymond ; Djurovic, Srdjan ; Drange, Ole Kristian ; Escott-Price, Valentina ; Fanous, Ayman H. ; Fellendorf, Frederike T. ; Ferrier, I. Nicol ; Forty, Liz ; Frank, Josef ; Frei, Oleksandr ; Freimer, Nelson B. ; Fullard, John F. ; Garnham, Julie ; Gizer, Ian R. ; Gordon, Scott D. ; Gordon-Smith, Katherine ; Greenwood, Tiffany A. ; Grove, Jakob ; Guzman-Parra, José ; Ha, Tae Hyon ; Hahn, Tim ; Haraldsson, Magnus ; Hautzinger, Martin ; Havdahl, Alexandra ; Heilbronner, Urs ; Hellgren, Dennis ; Herms, Stefan ; Hickie, Ian B. ; Hoffmann, Per ; Holmans, Peter A. ; Huang, Ming-Chyi ; Ikeda, Masashi ; Jamain, Stéphane ; Johnson, Jessica S. ; Jonsson, Lina ; Kalman, Janos L. ; Kamatani, Yoichiro ; Kennedy, James L. ; Kim, Euitae ; Kim, Jaeyoung ; Kittel-Schneider, Sarah ; Knowles, James A. ; Kogevinas, Manolis ; Kranz, Thorsten M. ; Krebs, Kristi ; Kushner, Steven A. ; Lavebratt, Catharina ; Lawrence, Jacob ; Leber, Markus ; Lee, Heon-Jeong ; Liao, Calwing ; Lucae, Susanne ; Lundberg, Martin ; MacIntyre, Donald J. ; Maier, Wolfgang ; Maihofer, Adam X. ; Malaspina, Dolores ; Manchia, Mirko ; Maratou, Eirini ; Martinsson, Lina ; Mattheisen, Manuel ; McGregor, Nathaniel W. ; McInnis, Melvin G. ; McKay, James D. ; Medeiros, Helena ; Meyer-Lindenberg, Andreas ; Millischer, Vincent ; Morris, Derek W. ; Moutsatsou, Paraskevi ; Mühleisen, Thomas W. ; O’Donovan, Claire ; Olsen, Catherine M. ; Panagiotaropoulou, Georgia ; Papiol, Sergi ; Pardiñas, Antonio F. ; Park, Hye Youn ; Perry, Amy ; Pfennig, Andrea ; Pisanu, Claudia ; Potash, James B. ; Quested, Digby ; Rapaport, Mark H. ; Regeer, Eline J. ; Rice, John P. ; Rivera, Margarita ; Schulte, Eva Christina ; Senner, Fanny ; Shadrin, Alexey ; Shilling, Paul D. ; Sigurdsson, Engilbert ; Sindermann, Lisa ; Sirignano, Lea ; Siskind, Dan ; Slaney, Claire ; Sloofman, Laura G. ; Smeland, Olav B. ; Smith, Daniel J. ; Sobell, Janet L. ; Soler Artigas, Maria ; Stein, Dan J. ; Stein, Frederike ; Su, Mei-Hsin ; Sung, Heejong ; Świątkowska, Beata ; Terao, Chikashi ; Tesfaye, Markos ; Tesli, Martin ; Thorgeirsson, Thorgeir E. ; Thorp, Jackson G. ; Toma, Claudio ; Tondo, Leonardo ; Tooney, Paul A. ; Tsai, Shih-Jen ; Tsermpini, Evangelia Eirini ; Vawter, Marquis P. ; Vedder, Helmut ; Vreeker, Annabel ; Walters, James T. R. ; Winsvold, Bendik S. ; Witt, Stephanie H. ; Won, Hong-Hee ; Ye, Robert ; Young, Allan H. ; Zandi, Peter P. ; Zillich, Lea ; Adolfsson, Rolf ; Alda, Martin ; Alfredsson, Lars ; Backlund, Lena ; Baune, Bernhard T. ; Bellivier, Frank ; Bengesser, Susanne ; Berrettini, Wade H. ; Biernacka, Joanna M. ; Boehnke, Michael ; Børglum, Anders D. ; Breen, Gerome ; Carr, Vaughan J. ; Catts, Stanley ; Cichon, Sven ; Corvin, Aiden ; Craddock, Nicholas ; Dannlowski, Udo ; Dikeos, Dimitris ; Etain, Bruno ; Ferentinos, Panagiotis ; Frye, Mark ; Fullerton, Janice M. ; Gawlik, Micha ; Gershon, Elliot S. ; Goes, Fernando S. ; Green, Melissa J. ; Grigoroiu-Serbanescu, Maria ; Hauser, Joanna ; Henskens, Frans A. ; Hjerling-Leffler, Jens ; Hougaard, David M. ; Hveem, Kristian ; Iwata, Nakao ; Jones, Ian ; Jones, Lisa A. ; Kahn, René S. ; Kelsoe, John R. ; Kircher, Tilo ; Kirov, George ; Kuo, Po-Hsiu ; Landén, Mikael ; Leboyer, Marion ; Li, Qingqin S. ; Lissowska, Jolanta ; Lochner, Christine ; Loughland, Carmel ; Luykx, Jurjen J. ; Martin, Nicholas G. ; Mathews, Carol A. ; Mayoral, Fermin ; McElroy, Susan L. ; McIntosh, Andrew M. ; McMahon, Francis J. ; Medland, Sarah E. ; Melle, Ingrid ; Milani, Lili ; Mitchell, Philip B. ; Morken, Gunnar ; Mors, Ole ; Mortensen, Preben Bo ; Müller-Myhsok, Bertram ; Myers, Richard M. ; Myung, Woojae ; Neale, Benjamin M. ; Nievergelt, Caroline M. ; Nordentoft, Merete ; Nöthen, Markus M. ; Nurnberger, John I. ; O’Donovan, Michael C. ; Oedegaard, Ketil J. ; Olsson, Tomas ; Owen, Michael J. ; Paciga, Sara A. ; Pantelis, Christos ; Pato, Carlos N. ; Pato, Michele T. ; Patrinos, George P. ; Pawlak, Joanna M. ; Ramos-Quiroga, Josep Antoni ; Reif, Andreas ; Reininghaus, Eva Z. ; Ribasés, Marta ; Rietschel, Marcella ; Ripke, Stephan ; Rouleau, Guy A. ; Roussos, Panos ; Saito, Takeo ; Schall, Ulrich ; Schalling, Martin ; Schofield, Peter R. ; Schulze, Thomas G. ; Scott, Laura J. ; Scott, Rodney J. ; Serretti, Alessandro ; Smoller, Jordan W. ; Squassina, Alessio ; Stahl, Eli A. ; Stefansson, Hreinn ; Stefansson, Kari ; Stordal, Eystein ; Streit, Fabian ; Sullivan, Patrick F. ; Turecki, Gustavo ; Vaaler, Arne E. ; Vieta, Eduard ; Vincent, John B. ; Waldman, Irwin D. ; Weickert, Cynthia S. ; Weickert, Thomas W. ; Werge, Thomas ; Whiteman, David C. ; Zwart, John-Anker ; Edenberg, Howard J. ; McQuillin, Andrew ; Forstner, Andreas J. ; Mullins, Niamh ; Di Florio, Arianna ; Ophoff, Roel A. ; Andreassen, Ole A.
Bauer, Michael ; Glenn, Tasha ; Achtyes, Eric D. ; Agaoglu, Esen ; Altınbaş, Kürşat ; Andreassen, Ole A. ; Angelopoulos, Elias ; Ardau, Raffaella ; Arrua Vares, Edgar ; Aydin, Memduha ; Ayhan, Yavuz ; Baethge, Christopher Jan ; Bauer, Rita ; Baune, Bernhard T. ; Balaban, Ceylan ; Becerra-Palars, Claudia ; Behere, Aniruddh P. ; Behere, Prakash B. ; Belete, Habte ; Belete, Tilahun ; Belizario, Gabriel Okawa ; Bellivier, Frank ; Belmaker, Robert H. ; Benedetti, Francesco ; Berk, Michael ; Bersudsky, Yuly ; Bicakci, Şule ; Birabwa-Oketcho, Harriet ; Bjella, Thomas D. ; Brady, Conan ; Cabrera, Jorge ; Cappucciati, Marco ; Castro, Angela Marianne Paredes ; Chen, Wei-Ling ; Cheung, Eric Y. Wo ; Chiesa, Silvia ; Crowe, Marie ; Cuomo, Alessandro ; Dallaspezia, Sara ; Del Zompo, Maria ; Desai, Pratikkumar ; Dodd, Seetal ; Donix, Markus ; Etain, Bruno ; Fagiolini, Andrea ; Fellendorf, Frederike Tabea ; Ferensztajn-Rochowiak, Ewa ; Fiedorowicz, Jess G. ; Fountoulakis, Kostas N. ; Frye, Mark A. ; Geoffroy, Pierre A. ; Gonzalez-Pinto, Ana ; Gottlieb, John F. ; Grof, Paul ; Haarman, Bartholomeus C. M. ; Harima, Hirohiko ; Hasse-Sousa, Mathias ; Henry, Chantal ; Høffding, Lone ; Houenou, Josselin ; Imbesi, Massimiliano ; Isometsä, Erkki T. ; Ivkovic, Maja ; Janno, Sven ; Johnsen, Simon ; Kapczinski, Flávio ; Karakatsoulis, Gregory N. ; Kardell, Mathias ; Kessing, Lars Vedel ; Kim, Seong Jae ; König, Barbara ; Kot, Timur L. ; Koval, Michael ; Kunz, Mauricio ; Lafer, Beny ; Landén, Mikael ; Larsen, Erik R. ; Lenger, Melanie ; Lewitzka, Ute ; Licht, Rasmus W. ; Lopez-Jaramillo, Carlos ; MacKenzie, Alan ; Madsen, Helle Østergaard ; Madsen, Simone Alberte Kongstad A. ; Mahadevan, Jayant ; Mahardika, Agustine ; Manchia, Mirko ; Marsh, Wendy ; Martinez-Cengotitabengoa, Monica ; Martiny, Klaus ; Mashima, Yuki ; McLoughlin, Declan M. ; Meesters, Ybe ; Melle, Ingrid ; Meza-Urzúa, Fátima ; Ming, Mok Yee ; Monteith, Scott ; Moorthy, Muthukumaran ; Morken, Gunnar ; Mosca, Enrica ; Mozzhegorov, Anton A. ; Munoz, Rodrigo ; Mythri, Starlin V. ; Nacef, Fethi ; Nadella, Ravi K. ; Nakanotani, Takako ; Nielsen, René Ernst ; O'Donovan, Claire ; Omrani, Adel ; Osher, Yamima ; Ouali, Uta ; Pantovic-Stefanovic, Maja ; Pariwatcharakul, Pornjira ; Petite, Joanne ; Pfennig, Andrea ; Pica Ruiz, Yolanda ; Pilhatsch, Maximilian ; Pinna, Marco ; Pompili, Maurizio ; Porter, Richard ; Quiroz, Danilo ; Rabelo-da-Ponte, Francisco Diego ; Ramesar, Raj ; Rasgon, Natalie ; Ratta-apha, Woraphat ; Ratzenhofer, Michaela ; Redahan, Maria ; Reddy, M. S. ; Reif, Andreas ; Reininghaus, Eva Z. ; Richards, Jenny Gringer ; Ritter, Philipp ; Rybakowski, Janusz K. ; Sathyaputri, Leela ; Scippa, Ângela M. ; Simhandl, Christian ; Severus, Emanuel ; Smith, Daniel ; Smith, José ; Stackhouse Jr., Paul W. ; Stein, Dan J. ; Stilwell, Kellen ; Strejilevich, Sergio ; Su, Kuan-Pin ; Subramaniam, Mythily ; Sulaiman, Ahmad Hatim ; Suominen, Kirsi ; Tanra, Andi J. ; Tatebayashi, Yoshitaka ; Teh, Wen Lin ; Tondo, Leonardo ; Torrent, Carla ; Tuinstra, Daniel ; Uchida, Takahito ; Vaaler, Arne E. ; Veeh, Julia ; Vieta, Eduard ; Viswanath, Biju ; Yoldi-Negrete, Maria ; Yalcinkaya, Oguz Kaan ; Young, Allan H. ; Zgueb, Yosra ; Whybrow, Peter C.
Background: Bipolar disorder is associated with circadian disruption and a high risk of suicidal behavior. In a previous exploratory study of patients with bipolar I disorder, we found that a history of suicide attempts was associated with differences between winter and summer levels of solar insolation. The purpose of this study was to confirm this finding using international data from 42% more collection sites and 25% more countries. Methods: Data analyzed were from 71 prior and new collection sites in 40 countries at a wide range of latitudes. The analysis included 4876 patients with bipolar I disorder, 45% more data than previously analyzed. Of the patients, 1496 (30.7%) had a history of suicide attempt. Solar insolation data, the amount of the sun’s electromagnetic energy striking the surface of the earth, was obtained for each onset location (479 locations in 64 countries). Results: This analysis confirmed the results of the exploratory study with the same best model and slightly better statistical significance. There was a significant inverse association between a history of suicide attempts and the ratio of mean winter insolation to mean summer insolation (mean winter insolation/mean summer insolation). This ratio is largest near the equator which has little change in solar insolation over the year, and smallest near the poles where the winter insolation is very small compared to the summer insolation. Other variables in the model associated with an increased risk of suicide attempts were a history of alcohol or substance abuse, female gender, and younger birth cohort. The winter/summer insolation ratio was also replaced with the ratio of minimum mean monthly insolation to the maximum mean monthly insolation to accommodate insolation patterns in the tropics, and nearly identical results were found. All estimated coefficients were significant at p < 0.01. Conclusion: A large change in solar insolation, both between winter and summer and between the minimum and maximum monthly values, may increase the risk of suicide attempts in bipolar I disorder. With frequent circadian rhythm dysfunction and suicidal behavior in bipolar disorder, greater understanding of the optimal roles of daylight and electric lighting in circadian entrainment is needed.
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