• Genome-wide analysis of attention deficit hyperactivity disorder in Norway 

      Zayats, Tetyana; Athanasiu, Lavinia; Sønderby, Ida Elken; Djurovic, Srdjan; Westlye, Lars Tjelta; Tamnes, Christian Krog; Fladby, Tormod; Aase, Heidi; Zeiner, Pål; Reichborn-Kjennerud, Ted; Knappskog, Per; Knudsen, Gun Peggy; Andreassen, Ole Andreas; Johansson, Stefan; Haavik, Jan (Peer reviewed; Journal article, 2015-04-13)
      Background Attention deficit hyperactivity disorder (ADHD) is a highly heritable neuropsychiatric condition, but it has been difficult to identify genes underlying this disorder. This study aimed to explore genetics of ...
    • Genome-wide analysis reveals extensive genetic overlap between schizophrenia, bipolar disorder, and intelligence 

      Smeland, Olav Bjerkehagen; Bahrami, Shahram; Frei, Oleksandr; Shadrin, Alexey A.; O'Connell, Kevin; Savage, Jeanne E.; Watanabe, Kyoko; Krull, Florian; Bettella, Francesco; Steen, Nils Eiel; Ueland, Torill; Posthuma, Danielle; Djurovic, Srdjan; Dale, Anders; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2019)
      Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental disorders associated with cognitive impairment, which is considered a major determinant of functional outcome. Despite this, the etiology of the cognitive ...
    • Genome-wide analysis reveals genetic overlap between alcohol use behaviours, schizophrenia and bipolar disorder and identifies novel shared risk loci 

      Wiström, Erik David; O'Connell, Kevin Sean; Karadag, Naz; Bahrami, Shahram; Hindley, Guy Frederick Lanyon; Lin, Aihua; Cheng, Weiqiu; Steen, Nils Eiel; Shadrin, Alexey; Frei, Oleksandr; Djurovic, Srdjan; Dale, Anders M.; Andreassen, Ole A.; Smeland, Olav Bjerkehagen (Journal article; Peer reviewed, 2022)
      Background and aim Schizophrenia (SCZ) and bipolar disorder (BD) have a high comorbidity of alcohol use disorder (AUD), and both comorbid AUD and excessive alcohol consumption (AC) have been linked to greater illness ...
    • Genome-wide Association Analysis of Parkinson’s Disease and Schizophrenia Reveals Shared Genetic Architecture and Identifies Novel Risk Loci 

      Smeland, Olav Bjerkehagen; Shadrin, Alexey A.; Bahrami, Shahram; Broce, Iris J.; Tesli, Martin Steen; Frei, Oleksandr; Wirgenes, Katrine Verena; O`Connell, Kevin; Krull, Florian; Bettella, Francesco; Steen, Nils Eiel; Sugrue, Leo P.; Wang, Yunpeng; Svenningsson, Per; Sharma, Manu; Pihlstrøm, Lasse; Toft, H. Mathias S.; O’Donovan, Michael; Djurovic, Srdjan; Desikan, Rahul S; Dale, Anders M.; Andreassen, Ole Andreas (Journal article; Peer reviewed, 2021)
      Background Parkinson’s disease (PD) and schizophrenia (SCZ) are heritable brain disorders that involve dysregulation of the dopaminergic system. Epidemiological studies have reported potential comorbidity between the ...
    • Genome-wide Association Analysis of Schizophrenia and Vitamin D Levels Shows Shared Genetic Architecture and Identifies Novel Risk Loci 

      Jaholkowski, Piotr Pawel; Hindley, Guy; Shadrin, Alexey; Tesfaye, Markos; Bahrami, Shahram; Nerhus, Mari; Rahman, Zillur; O'Connell, Kevin Sean; Holen, Børge; Parker, Nadine; Cheng, Weiqiu; Lin, Aihua; Rødevand, Linn; Karadag, Naz; Frei, Oleksandr; Djurovic, Srdjan; Dale, Anders M.; Smeland, Olav Bjerkehagen; Andreassen, Ole (Journal article; Peer reviewed, 2023)
      Low vitamin D (vitD) levels have been consistently reported in schizophrenia (SCZ) suggesting a role in the etiopathology. However, little is known about the role of underlying shared genetic mechanisms. We applied a ...
    • Genome-wide association study identifies 30 loci associated with bipolar disorder 

      Stahl, Eli A.; Breen, Gerome; Forstner, Andreas J.; McQuillin, Andrew; Ripke, Stephan; Trubetskoy, Vassily; Mattheisen, Manuel; Wang, Yunpeng; Coleman, Jonathan R.I.; Gaspar, Héléna A.; de Leeuw, Christiaan A.; Steinberg, Stacy; Pavlides, Jennifer M. Whitehead; Trzaskowski, Maciej; Byrne, Enda M.; Pers, Tune H.; Holmans, Peter A.; Richards, Alexander L.; Abbott, Liam; Agerbo, Esben; Akil, Huda; Albani, Diego; Alliey-Rodriguez, Ney; Als, Thomas D.; Anjorin, Adebayo; Antilla, Verneri; Awasthi, Swapnil; Badner, Judith A.; Bækvad-Hansen, Marie; Barchas, Jack D.; Bass, Nicholas; Bauer, Michael; Belliveau, Richard; Bergen, Sarah E.; Pedersen, Carsten Bøcker; Bøen, Erlend; Boks, Marco P.; Boocock, James; Budde, Monika; Bunney, William; Burmeister, Margit; Bybjerg-Grauholm, Jonas; Byerley, William; Casas, Miquel; Cerrato, Felecia; Cervantes, Pablo; Chambert, Kimberly; Charney, Alxander W.; Chen, Danfeng; Churchhouse, Claire; Clarke, Toni-Kim; Coryell, William; Craig, David W.; Cruceanu, Cristiana; Curtis, David; Czerski, Piotr M.; Dale, Anders; de Jong, Simone; Degenhardt, Franziska; Del-Favero, Jurgen; Depaulo, J. Raymond; Djurovic, Srdjan; Dobbyn, Amanda L.; Dumont, Ashley; Elvsåshagen, Torbjørn; Escott-Price, Valentina; Fan, Chun Chieh; Fischer, Sascha B.; Flickinger, Matthew; Foroud, Tatiana M.; Forty, Liz; Frank, Josef; Fraser, Christine; Freimer, Nelson B.; Frisén, Louise; Gade, Katrin; Gage, Diane; Garnham, Julie; Giambartolomei, Claudia; Pedersen, Marianne Giørtz; Goldstein, Jaqueline; Gordon, Scott D.; Gordon-Smith, Katherine; Green, Elaine K.; Green, Melissa J.; Greenwood, Tifany A.; Grove, Jakob; Guan, Weihua; Guzman-Parra, José; Hamshere, Marian L.; Hautzinger, Martin; Heilbronner, Urs; Herms, Stefan; Hipolito, Maria; Hoffmann, Per; Holland, Dominic; Huckins, Laura; Jamain, Stéphane; Johnson, Jessica S.; Juréus, Anders; Kandaswamy, Radhika; Karlsson, Robert; Kennedy, James L.; Kittel-Schneider, Sarah; Knowles, James A.; Kogevinas, Manolis; Koller, Anna C.; Kupka, Ralph; Lavebratt, Catharina; Lawrence, Jacob; Lawson, William B.; Leber, Markus; Lee, Phil H.; Levy, Shawn E.; Li, Jun Z.; Liu, Chunyu; Lucae, Susanne; Maaser, Anna; MacIntyre, Donald J.; Mahon, Pamela B.; Maier, Wolfgang; Martinsson, Lina; McCarroll, Steve; McGuffin, Peter; McInnis, Melvin G.; McKay, James D.; Medeiros, Helena; Medland, Sarah E.; Meng, Fan; Milani, Lili; Montgomery, Grant W.; Morris, Derek W.; Mühleisen, Thomas W.; Mullins, Niamh; Nguyen, Hoang; Nievergelt, Caroline M.; Adolfsson, Annelie Nordin; Nwulia, Evaristus A.; O'Donovan, Claire; Loohuis, Loes M. Olde; Ori, Anil P.S.; Oruc, Lilijana; Ösby, Urban; Perlis, Roy H.; Perry, Amy; Pfennig, Andrea; Potash, James B.; Purcell, Shaun M.; Regeer, Eline J.; Reif, Andreas; Reinbold, Céline S.; Rice, John P.; Rivas, Fabio; Rivera, Margarita; Roussos, Panos; Ruderfer, Douglas M.; Ryu, Euijung; Sánchez-Mora, Cristina; Schatzberg, Alan F.; Scheftner, William A.; Schork, Nicholas J.; Shannon Weickert, Cynthia; Shehktman, Tatyana; Shilling, Paul D.; Sigurdsson, Engilbert; Slaney, Claire; Smeland, Olav Bjerkehagen; Sobell, Janet L.; Søholm Hansen, Christine; Spijker, Anne T.; St Clair, David; Steffens, Michael; Strauss, John S.; Streit, Fabian; Strohmaier, Jana; Szelinger, Szabolcs; Thompson, Robert C.; Thorgeirsson, Thorgeir E; Treutlein, Jens; Vedder, Helmut; Wang, Weiqing; Watson, Stanley J.; Weickert, Thomas W.; Witt, Stephanie H.; Xi, Simon; Xu, Wei; Young, Allan H.; Zandi, Peter; Zhang, Peng; Zöllner, Sebastian; Adolfsson, Rolf; Agartz, Ingrid; Alda, Martin; Backlund, Lena; Baune, Bernhard T.; Bellivier, Frank; Berrettini, Wade H.; Biernacka, Joanna M.; Blackwood, Douglas H.R.; Boehnke, Michael; Børglum, Anders D.; Corvin, Aiden; Craddock, Nicholas; Daly, Mark J.; Dannlowski, Udo; Esko, Tõnu; Etain, Bruno; Frye, Mark; Fullerton, Janice M.; Gershon, Elliot S.; Gill, Michael; Goes, Fernando; Grigoroiu-Serbanescu, Maria; Hauser, Joanna; Hougaard, David M.; Hultman, Christina M.; Jones, Ian; Jones, Lisa A.; Kahn, René S.; Kirov, George; Landén, Mikael; Leboyer, Marion; Lewis, Cathryn M.; Li, Qingqin S.; Lissowska, Jolanta; Martin, Nicholas G.; Mayoral, Fermin; McElroy, Susan L.; McIntosh, Andrew M.; McMahon, Francis J.; Melle, Ingrid; Metspalu, Andres; Mitchell, Philip B.; Morken, Gunnar; Mors, Ole; Mortensen, Preben Bo; Müller-Myhsok, Bertram; Myers, Richard M.; Neale, Benjamin M.; Nimgaonkar, Vishwajit; Nordentoft, Merete; Nöthen, Markus M.; O'Donovan, Michael C; Ødegaard, Ketil Joachim; Owen, Michael J.; Paciga, Sara A.; Pato, Carlos; Pato, Michele T.; Posthuma, Danielle; Ramos-Quiroga, Josep Antoni; Ribasés, Marta; Rietschel, Marcella; Rouleau, Guy A.; Schalling, Martin; Schofield, Peter R.; Schulze, Thomas G.; Serretti, Alessandro; Smoller, Jordan W.; Stefansson, Hreinn; Stefansson, Kari; Stordal, Eystein; Sullivan, Patrick F.; Turecki, Gustavo; Vaaler, Arne; Vieta, Eduard; Vincent, John B.; Werge, Thomas; Nurnberger, John I.; Wray, Naomi R.; Di Florio, Arianna; Edenberg, Howard J.; Cichon, Sven; Ophoff, Roel A.; Scott, Laura J.; Andreassen, Ole Andreas; Kelsoe, John; Sklar, Pamela (Journal article; Peer reviewed, 2019)
      Bipolar disorder is a highly heritable psychiatric disorder. We performed a genome-wide association study (GWAS) including 20,352 cases and 31,358 controls of European descent, with follow-up analysis of 822 variants with ...
    • Genome-wide association study of borderline personality disorder reveals genetic overlap with bipolar disorder, major depression and schizophrenia 

      Witt, Stephanie H.; Streit, F; Jungkunz, M; Frank, J; Awasthi, S; Reinbold, CS; Treutlein, J; Degenhardt, F; Forstner, AJ; Heilmann-Heimbach, S; Dietl, L; Schwarze, CE; Schendel, D; Strohmaier, Jana; Abdellaoui, A; Adolfsson, Rolf; Air, TM; Akil, Huda; Alda, Martin; Alliey-Rodriguez, N; Andreassen, Ole Andreas; Babadjanova, Gulia; Bass, N; Bauer, M; Baune, Bernhard T.; Bellivier, Frank; Bergen, Sarah E; Bethell, A; Biernacka, Joanna M.; Blackwood, Douglas H.R.; Boks, Marco P; Boomsma, Dorret I.; Borglum, Anders D; Borrmann-Hassenbach, M; Brennan, P; Budde, M; Buttenschon, HN; Byrne, Enda M.; Cervantes, P; Clarke, TK; Craddock, N; Cruceanu, C; Curtis, David; Czerski, Piotr M.; Dannlowski, Udo; Davis, T; de Geus, Eco J C; Di Florio, A; Djurovic, Srdjan; Domenici, Enrico; Edenberg, Howard J; Etain, Bruno; Fischer, SB; Forty, L; Fraser, C; Frye, M; Fullerton, JM; Gershon, Elliot S.; Gieglin, I; Gordon, Scott D; Gordon-Smith, K; Grabe, Hans Jörgen; Green, EK; Greenwood, TA; Grigoroiu-Serbanescu, Maria; Guzman-Parra, J; Hall, L; Hamshere, Marian; Hauser, J; Hautzinger, Martin; Heilbronner, U; Herms, Stefan; Hitturlingappa, S; HOFFMANN, PAVEL; Holmans, P; Hottenga, Jouke Jan; Jamain, Stephane; Jones, I; Jones, L; Juréus, Anna; Kahn, René S; Kammerer-Ciernioch, Jutta; Kirov, George; Kittel-Schneider, Sarah; Kloiber, Stefan; Knott, SV; Kogevinas, Manolis; Landen, M; Leber, M; Leboyer, Marion; Li, Qingqin S.; Lissowska, Jolanta; Lucae, Susanne; Martin, NG; Mayoral-Cleries, F; McElroy, SL; McIntosh, Andrew M; McKay, James D; McQuilling, A; Medland, Sarah E; Middeldorp, Christel M.; Milaneschi, Y; Mitchell, Philip B; Montgomery, Grant W; Mors, O; Mühleisen, Thomas W.; Muller-Myshok, B; Myers, Richard M; Nievergelt, Caroline M.; Nurnberger, John I.; O'Donovan, Michael C; Loohuis, Loes M. Olde; Ophoff, R; Oruc, Liliana; Owen, Michael J; Paciga, SA; Penninx, Brenda W J H; Perry, A; Pfennig, Andrea; Potash, James B.; Preisig, Martin; Reif, A; Rivas, F; Rouleau, GA; Schofield, Peter R; Schulze, Thomas G; Schwarz, M; Scott, L; Sinnamon, GCB; Stahl, Eli A.; Strauss, J; Turecki, G; Van der Auwera, S; Vedder, Helmut; Vincent, John B; Willemsen, Gonneke; Witt, CC; Wray, Naomi R; Xi, HS; Tadic, A; Dahmen, Norbert; Schott, Björn H; Cichon, Sven; Nothen, Markus M; Ripke, Stephan; Mobascher, A; Rujescu, Dan; Lieb, K; Roepke, S; Schmal, Christine; Bohus, Martin; Rietschel, Marcella; Morken, Gunnar; Gade, K (Peer reviewed; Journal article, 2017-06-20)
      Borderline personality disorder (BOR) is determined by environmental and genetic factors, and characterized by affective instability and impulsivity, diagnostic symptoms also observed in manic phases of bipolar disorder ...
    • Genome-wide meta-analysis for Alzheimer’s disease cerebrospinal fluid biomarkers 

      Jansen, Iris E.; van der Lee, Sven J.; Gomez-Fonseca, Duber; de Rojas, Itziar; Dalmasso, Maria Carolina; Grenier-Boley, Benjamin; Athanasiu, Lavinia; Bahrami, Shahram; Bergh, Sverre; Djurovic, Srdjan; Fladby, Tormod; Jarholm, Jonas Alexander; Knapskog, Anne Brita; Pålhaugen, Lene; Saltvedt, Ingvild; Selbæk, Geir; Selnes, Per; Andreassen, Ole; Shadrin, Alexey; Skoog, Ingmar; Soininen, Hilkka; Tsolaki, Magda; Van Broeckhoven, Christine; Van Dongen, Jasper; van Swieten, John C.; Vandenberghe, Rik; Vidal, Jean-Sébastien; Visser, Pieter J.; Vogelgsang, Jonathan; Waern, Margda; Wagner, Michael; Wiltfang, Jens; Wittens, Mandy M.J.; Zetterberg, Henrik; Zulaica, Miren; van Duijn, Cornelia M.; Bjerke, Maria; Engelborghs, Sebastiaan; Jessen, Frank; Teunissen, Charlotte E.; Pastor, Pau; Hiltunen, Mikko; Ingelsson, Martin; Clarimón, Jordi; Sleegers, Kristel; Ruiz, Agustín; Ramirez, Alfredo; Cruchaga, Carlos; Lambert, Jean-Charles; van der Flier, Wiesje M. (Journal article; Peer reviewed, 2022)
      Amyloid-beta 42 (Aβ42) and phosphorylated tau (pTau) levels in cerebrospinal fluid (CSF) reflect core features of the pathogenesis of Alzheimer’s disease (AD) more directly than clinical diagnosis. Initiated by the European ...
    • GWAS meta-analysis reveals novel loci and genetic correlates for general cognitive function: a report form the COGENT consortium 

      Trampush, Joey W.; Yang, M.L.Z.; Yu, Jin; Knowles, Emma; Davies, Gail; Liewald, David C.M.; Starr, John M.; Djurovic, Srdjan; Melle, Ingrid; Sundet, Kjetil Søren; Christoforou, Andrea; Reinvang, Ivar; DeRosse, Pamela; Lundervold, Astri; Steen, Vidar Martin; Espeseth, Thomas; Räikkönen, Katri; Widén, Elisabeth; Palotie, Aarno; Eriksson, Johan Gunnar; Giegling, Ina; Konte, Bettina; Roussos, Panos; Giakoumaki, Stella; Burdick, Katherine E.; Payton, Antony; Ollier, William E.R.; Horan, Michael Arthur; Chiba-Falek, Ornit; Attix, Deborah K.; Need, Anna C.; Cirulli, Elizabeth Trilby; Voineskos, Aristotle N.; Stefanis, Nikos C.; Avramopoulos, Dimitrios A.; Hatzimanolis, Alex; Arking, Dan E.; Smyrnis, Nikolaos; Bilder, Robert Martin; Freimer, Nelson A.; Cannon, Tyrone D.; London, Edyth; Poldrack, Russell Alan; Sabb, Fred W.; Congdon, Eliza L.; Conley, Emily Drabant; Scult, Matthew A.; Dickinson, Dwight; Straub, Richard E.; Donohoe, Gary J.; Morris, Derek W.; Corvin, Aiden; Gill, Michael; Hariri, Ahmad; Weinberger, Daniel R.; Pendleton, Neil; Bitsios, Panos; Rujescu, Dan; Lahti, Jari; Le Hellard, Stephanie; Keller, Matthew C.; Andreassen, Ole Andreas; Deary, Ian John; Glahn, David C.; Malhotra, Anil K.; Lencz, Todd (Peer reviewed; Journal article, 2017-01-17)
      The complex nature of human cognition has resulted in cognitive genomics lagging behind many other fields in terms of gene discovery using genome-wide association study (GWAS) methods. In an attempt to overcome these ...
    • GWAS of suicide attempt in psychiatric disorders and association with major depression polygenic risk scores 

      Mullins, Niamh; Bigdeli, Tim B.; Børglum, Anders D.; Coleman, Jonathan R.I.; Demontis, Ditte; Mehta, Divya; Power, Robert A.; Ripke, Stephan; Stahl, Eli A.; Starnawska, Anna; Anjorin, Adebayo; Corvin, Aiden; Sanders, Alan R.; Forstner, Andreas J.; Reif, Andreas; Koller, Anna C.; Świątkowska, Beata; Baune, Bernhard T.; Müller-Myhsok, Bertram; Penninx, Brenda W.J.H.; Pato, Carlos; Zai, Clement; Rujescu, Dan; Hougaard, David M.; Quested, Digby; Levinson, Douglas F.; Binder, Elisabeth B.; Byrne, Enda M.; Agerbo, Esben; Streit, Fabian; Mayoral, Fermin; Bellivier, Frank; Degenhardt, Franziska; Breen, Gerome; Morken, Gunnar; Turecki, Gustavo; Rouleau, Guy A.; Grabe, Hans J.; Völzke, Henry; Jones, Ian; Giegling, Ina; Agartz, Ingrid; Melle, Ingrid; Lawrence, Jacob; Walters, James T.R.; Strohmaier, Jana; Shi, Jianxin; Hauser, Joanna; Biernacka, Joanna M.; Vincent, John B.; Kelsoe, John; Strauss, John S.; Lissowska, Jolanta; Pimm, Jonathan; Smoller, Jordan W.; Guzman-Parra, José; Berger, Klaus; Scott, Laura J.; Jones, Lisa A.; Azevedo, M. Helena; Trzaskowski, Maciej; Kogevinas, Manolis; Rietschel, Marcella; Boks, Marco; Ising, Marcus; Grigoroiu-Serbanescu, Maria; Hamshere, Marian L.; Leboyer, Marion; Frye, Mark; Nöthen, Markus M.; Alda, Martin; Preisig, Martin; Nordentoft, Merete; Boehnke, Michael; O'Donovan, Michael C.; Owen, Michael J.; Pato, Michele T.; Renteriá, Miguel E.; Budde, Monika; Weissman, Myrna M.; Wray, Naomi R.; Bass, Nicholas; Craddock, Nicholas; Smeland, Olav Bjerkehagen; Andreassen, Ole Andreas; Mors, Ole; Gejman, Pablo V.; Sklar, Pamela; McGrath, Patrick; Hoffmann, Per; McGuffin, Peter; Lee, Phil H.; Mortensen, Preben Bo; Kahn, René S.; Ophoff, Roel A.; Adolfsson, Rolf; Van der Auwera, Sandra; Djurovic, Srdjan; Kloiber, Stefan; Heilmann-Heimbach, Stefanie; Jamain, Stéphane; Hamilton, Steven P.; McElroy, Susan L.; Lucae, Susanne; Cichon, Sven; Schulze, Thomas G.; Hansen, Thomas; Werge, Thomas; Air, Tracy M.; Nimgaonkar, Vishwajit; Appadurai, Vivek; Cahn, Wiepke; Milaneschi, Yuri; Fanous, Ayman H.; Kendler, Kenneth S.; McQuillin, Andrew; Lewis, Cathryn M. (Journal article; Peer reviewed, 2019)
      Objective: More than 90% of people who attempt suicide have a psychiatric diagnosis; however, twin and family studies suggest that the genetic etiology of suicide attempt is partially distinct from that of the psychiatric ...
    • GWAS-based pathway analysis differentiates between fluid and crystallized intelligence 

      Christoforou, Andrea; Espeseth, Thomas; Davis, G.; Fernandes, Carla P.D.; Giddaluru, Sudheer; Mattheisen, Manuel; Tenesa, A.; Harris, Sarah E.; Liewald, David C; Payton, Anthony; Ollier, W; Horan, M.; Pendleton, Neil; Haggarty, Paul; Djurovic, Srdjan; Herms, Stefan; Hoffman, P.; Cichon, Sven; Starr, John M; Lundervold, Astri; Reinvang, Ivar; Steen, Vidar Martin; Deary, Ian J; Le Hellard, Stephanie (Peer reviewed; Journal article, 2014-09)
      Cognitive abilities vary among people. About 40–50% of this variability is due to general intelligence (g), which reflects the positive correlation among individuals' scores on diverse cognitive ability tests. g is positively ...
    • A human iPSC-astroglia neurodevelopmental model reveals divergent transcriptomic patterns in schizophrenia 

      Szabo, Attila; Akkouh, Ibrahim Ahmed; Vandenberghe, Matthieu; Osete, Jordi Requena; Hughes, Timothy; Heine, Vivi M.; Smeland, Olav Bjerkehagen; Glover, Joel Clinton; Andreassen, Ole; Djurovic, Srdjan (Journal article; Peer reviewed, 2021)
      While neurodevelopmental abnormalities have been associated with schizophrenia (SCZ), the role of astroglia in disease pathophysiology remains poorly understood. In the present study, we used a human induced pluripotent ...
    • Identification of a novel polymorphism associated with reduced clozapine concentration in schizophrenia patients—a genome-wide association study adjusting for smoking habits 

      Smith, Robert Løvsletten; O’Connell, Kevin; Athanasiu, Lavinia; Djurovic, Srdjan; Kringen, Marianne K.; Andreassen, Ole Andreas; Molden, Espen (Journal article; Peer reviewed, 2020)
      Clozapine (CLZ) is the superior antipsychotic drug for treatment of schizophrenia, but exhibits an extensive interpatient pharmacokinetic variability. Here, we conducted a genome-wide association study (GWAS) of CLZ serum ...
    • Identification of Genetic Loci Shared Between Attention-Deficit/Hyperactivity Disorder, Intelligence, and Educational Attainment 

      O`Connell, Kevin; Shadrin, Alexey A.; Smeland, Olav Bjerkehagen; Bahrami, Shahram; Frei, Oleksandr; Bettella, Francesco; Krull, Florian; Fan, Chun C.; Askeland, Ragna Bugge; Knudsen, Gun Peggy Strømstad; Halmøy, Anne; Steen, Nils Eiel; Ueland, Torill; Walters, Bragi; Davíðsdóttir, Katrín; Haraldsdóttir, Gyda S.; Guðmundsson, Ólafur; Stefansson, Hreinn; Reichborn-Kjennerud, Ted; Haavik, Jan; Dale, Anders M.; Stefánsson, Kári; Djurovic, Srdjan; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2020)
      Background: Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder that is consistently associated with lower levels of educational attainment. A recent large genome-wide association study identified ...
    • Identification of genetic loci shared between schizophrenia and the Big Five personality traits 

      Smeland, Olav Bjerkehagen; Wang, Yunpeng; Lo, Min-Tzu; Li, Wen; Frei, Oleksandr; Witoelar, Aree; Tesli, Martin Steen; Hinds, David A.; Tung, Joyce Y.; Djurovic, Srdjan; Chen, Chi-Hua; Dale, Anders; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2017-05-22)
      Schizophrenia is associated with differences in personality traits, and recent studies suggest that personality traits and schizophrenia share a genetic basis. Here we aimed to identify specific genetic loci shared between ...
    • Identification of genetic overlap and novel risk loci for attention-deficit/hyperactivity disorder and bipolar disorder 

      O`Connell, Kevin; Shadrin, Alexey A.; Bahrami, Shahram; Smeland, Olav Bjerkehagen; Bettella, Francesco; Frei, Oleksandr; Krull, Florian; Askeland, Ragna Bugge; Walters, Bragi; Davíðsdóttir, Katrín; Haraldsdóttir, Gyða; Guðmundsson, Ólafur; Stefánsson, Hreinn; Fan, Chun C.; Steen, Nils Eiel; Reichborn-Kjennerud, Ted; Dale, Anders; Stefánsson, Kári; Djurovic, Srdjan; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2019)
      Differential diagnosis between childhood onset attention-deficit/hyperactivity disorder (ADHD) and bipolar disorder (BD) remains a challenge, mainly due to overlapping symptoms and high rates of comorbidity. Despite this, ...
    • Identification of novel genomic risk loci shared between common epilepsies and psychiatric disorders 

      Karadag, Naz; Shadrin, Alexey; O'Connell, Kevin S; Hindley, Guy Frederick Lanyon; Rahman, Zillur; Parker, Nadine; Bahrami, Shahram; Fominykh, Vera; Cheng, Weiqiu; Holen, Børge; Alvestad, Silje; Taubøll, Erik; Steen, Nils Eiel; Djurovic, Srdjan; Dale, Anders M; Frei, Oleksandr; Andreassen, Ole; Smeland, Olav Bjerkehagen (Journal article; Peer reviewed, 2023)
      Psychiatric disorders and common epilepsies are heritable disorders with a high comorbidity and overlapping symptoms. However, the causative mechanisms underlying this relationship are poorly understood. Here we aimed to ...
    • Identification of pleiotropy at the gene level between psychiatric disorders and related traits 

      Polushina, Tatiana; Banerjee, Niladri; Giddaluru, Sudheer; Bettella, Francesco; Espeseth, Thomas; Lundervold, Astri J.; Djurovic, Srdjan; Cichon, Sven; Hoffmann, Per; Nöthen, Markus M.; Steen, Vidar Martin; Andreassen, Ole A.; Le Hellard, Stéphanie (Journal article; Peer reviewed, 2021)
      Major mental disorders are highly prevalent and make a substantial contribution to the global disease burden. It is known that mental disorders share clinical characteristics, and genome-wide association studies (GWASs) ...
    • Identification of shared genetic variants between schizophrenia and lung cancer 

      Zuber, Verena; Jönsson, Erik Gunnar; Frei, Oleksandr; Witoelar, Aree; Thompson, V K; Schork, Andrew J; Bettella, Francesco; Wang, Yunpeng; Djurovic, Srdjan; Smeland, Olav Bjerkehagen; Dieset, Ingrid; Fanous, Ayman H.; Desikan, Rahul S; Küry, Sébastien; Bezieau, Stephane; Dale, Anders M; Mills, Ian Geoffrey; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2018-01-12)
      Epidemiology studies suggest associations between schizophrenia and cancer. However, the underlying genetic mechanisms are not well understood, and difficult to identify from epidemiological data. We investigated if there ...
    • Identifying nootropic drug targets via large-scale cognitive GWAS and transcriptomics 

      Lam, Max; Chen, Chia-Yen; Ge, Tian; Xia, Yan; Hill, David W.; Trampush, Joey W.; Yu, Jin; Knowles, Emma; Davies, Gail; Stahl, Eli A.; Huckins, Laura; Liewald, David C.; Djurovic, Srdjan; Melle, Ingrid; Christoforou, Andrea; Reinvang, Ivar; DeRosse, Pamela; Lundervold, Astri J.; Steen, Vidar Martin; Espeseth, Thomas; Räikkönen, Katri; Widen, Elisabeth; Palotie, Aarno; Eriksson, Johan G.; Giegling, Ina; Konte, Bettina; Hartmann, Annette M.; Roussos, Panos; Giakoumaki, Stella; Burdick, Katherine E.; Payton, Antony; Ollier, William; Chiba-Falek, Ornit; Koltai, Deborah; Need, AC; Cirulli, Elizabeth T.; Voineskos, Aristotle N.; Stefanis, Nikos C.; Avramopoulos, Dimitrios; Hatzimanolis, Alex; Smyrnis, Nikolaos; Bilder, Robert M.; Freimer, Nelson B.; Cannon, Tyrone D.; London, Edythe; Poldrack, Russell A.; Sabb, Fred W.; Congdon, Eliza; Conley, Emily Drabant; Scult, Matthew A.; Dickinson, Dwight; Straub, Richard E.; Donohoe, Gary; Morris, Derek; Corvin, Aiden; Gill, Michael; Hariri, Ahmad; Weinberger, Daniel R.; Pendleton, Neil; Bitsios, Panos; Rujescu, Dan; Lahti, Jari; Hellard, Stephanie Francoise Claire Le; Keller, Matthew C.; Andreassen, Ole; Deary, Ian J.; Glahn, David C.; Huang, Hailiang; Liu, Chunyu; Malhotra, Anil K.; Lencz, Todd (Journal article; Peer reviewed, 2021)
      Broad-based cognitive deficits are an enduring and disabling symptom for many patients with severe mental illness, and these impairments are inadequately addressed by current medications. While novel drug targets for ...