• Genetic Overlap Between Alzheimer’s Disease and Bipolar Disorder Implicates the MARK2 and VAC14 Genes 

      Drange, Ole Kristian; Smeland, Olav Bjerkehagen; Shadrin, Alexey A.; Finseth, Per Ivar; Witoelar, Aree; Frei, Oleksandr; Wang, Yunpeng; Hassani, Sahar; Djurovic, Srdjan; Dale, Anders M; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2019-03-13)
      Background: Alzheimer’s disease (AD) and bipolar disorder (BIP) are complex traits influenced by numerous common genetic variants, most of which remain to be detected. Clinical and epidemiological evidence suggest that AD ...
    • Genetic variation in 117 myelination-related genes in schizophrenia: Replication of association to lipid biosynthesis genes 

      Stokowy, Tomasz; Polushina, Tatiana; Sønderby, Ida Elken; Karlsson, Robert; Giddaluru, Sudheer; Le Hellard, Stephanie; Bergen, Sarah E; Sullivan, Patrick F; Andreassen, Ole Andreas; Djurovic, Srdjan; Hultman, Christina M.; Steen, Vidar Martin (Peer reviewed; Journal article, 2018-05-02)
      Schizophrenia is a serious psychotic disorder with high heritability. Several common genetic variants, rare copy number variants and ultra-rare gene-disrupting mutations have been linked to disease susceptibility, but there ...
    • 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 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 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 ...
    • 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 ...
    • How important are parents in the development of child anxiety and depression? A genomic analysis of parent-offspring trios in the Norwegian Mother Father and Child Cohort Study (MoBa) 

      Cheesman, Rosa; Eilertsen, Espen Moen; Ahmadzadeh, Yasmin I.; Gjerde, Line C.; Hannigan, Laurie John; Havdahl, Alexandra; Young, Alexander I.; Eley, Thalia C.; Njølstad, Pål Rasmus; Magnus, Per; Andreassen, Ole Andreas; Ystrøm, Eivind; McAdams, Tom A. (Journal article; Peer reviewed, 2020)
      Background Many studies detect associations between parent behaviour and child symptoms of anxiety and depression. Despite knowledge that anxiety and depression are influenced by a complex interplay of genetic and ...
    • 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 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 ...
    • Immune-related genetic enrichment in frontotemporal dementia: An analysis of genome-wide association studies 

      Broce, Iris J.; Karch, Celeste M.; Wen, Natalie; Fan, Chun C.; Wang, Yunpeng; Hong Tan, Chin; Kouri, Naomi; Ross, Owen A.; Höglinger, Günter U.; Müller, Ulrich; Hardy, John; Momeni, Parastoo; Hess, Christopher P.; Dillon, William P.; Miller, Zachary A.; Bonham, Luke W.; Rabinovici, Gil D.; Rosen, Howard J.; Schellenberg, Gerard D.; Franke, Andre; Karlsen, Tom Hemming; Veldink, Jan H.; Ferrari, Raffaele; Yokoyama, Jennifer S.; Miller, Bruce L.; Andreassen, Ole Andreas; Dale, Anders; Desikan, Rahul S.; Sugrue, Leo P. (Peer reviewed; Journal article, 2018-01-09)
      Background: Converging evidence suggests that immune-mediated dysfunction plays an important role in the pathogenesis of frontotemporal dementia (FTD). Although genetic studies have shown that immune-associated loci are ...
    • Improvement in verbal learning over the first year of antipsychotic treatment is associated with serum HDL levels in a cohort of first episode psychosis patients 

      Gjerde, Priyanthi Borgen; Simonsen, Carmen Elisabeth; Lagerberg, Trine Vik; Steen, Nils Eiel; Ueland, Torill; Andreassen, Ole Andreas; Steen, Vidar Martin; Melle, Ingrid (Peer reviewed; Journal article, 2019-04-27)
      To investigate whether changes in serum lipids are associated with cognitive performance in first episode psychosis (FEP) patients during their first year of antipsychotic drug treatment. One hundred and thirty-two ...
    • Increase in serum HDL level is associated with less negative symptoms after one year of antipsychotic treatment in first-episode psychosis 

      Gjerde, Priyanthi Borgen; Dieset, Ingrid; Simonsen, Carmen Elisabeth; Hoseth, Eva Zsuzsanna; Iversen, Trude Seselie Jahr; Lagerberg, Trine Vik; Lyngstad, Siv Hege; Mørch, Ragni Helene; Skrede, Silje; Andreassen, Ole Andreas; Melle, Ingrid; Steen, Vidar Martin (Peer reviewed; Journal article, 2017-07)
      Background A potential link between increase in total cholesterol and triglycerides and clinical improvement has been observed during antipsychotic drug treatment in chronic schizophrenia patients, possibly due to drug ...
    • Indicated association between polygenic risk score and treatment-resistance in a naturalistic sample of patients with schizophrenia spectrum disorders 

      Werner, Maren Caroline Frogner; Wirgenes, Katrine Verena; Haram, Marit; Bettella, Francesco; Lunding, Synve Hoffart; Rødevand, Linn Nilsen; Hjell, Gabriela; Agartz, Ingrid; Djurovic, Srdjan; Melle, Ingrid; Andreassen, Ole Andreas; Steen, Nils Eiel (Journal article; Peer reviewed, 2020)
      Background One third of people diagnosed with schizophrenia fail to respond adequately to antipsychotic medication, resulting in persisting disabling symptoms, higher rates of hospitalization and higher costs for society. ...
    • Large-scale genomics unveil polygenic architecture of human cortical surface area 

      Chen, Chi-Hua; Peng, Qian; Schork, Andrew J.; Lo, Min-Tzu; Fan, Chun-Chieh; Wang, Yunpeng; Desikan, Rahul S.; Bettella, Franscesco; Hagler, Donald J.; Westlye, Lars Tjelta; Kremen, William S.; Jernigan, Terry L.; Le Hellard, Stephanie; Steen, Vidar Martin; Espeseth, Thomas; Huentelman, Matt; Håberg, Asta; Agartz, Ingrid; Djurovic, Srdjan; Andreassen, Ole Andreas; Schork, Nicholas; Dale, Anders (Peer reviewed; Journal article, 2015-07-20)
      Little is known about how genetic variation contributes to neuroanatomical variability, and whether particular genomic regions comprising genes or evolutionarily conserved elements are enriched for effects that influence ...
    • Lithium increases mitochondrial respiration in iPSC-derived neural precursor cells from lithium responders 

      Osete, Jordi Requena; Akkouh, Ibrahim; Reis de Assis, Denis; Szabo, Attila; Frei, Evgeniia; Hughes, Timothy; Smeland, Olav Bjerkehagen; Steen, Nils Eiel; Andreassen, Ole Andreas; Djurovic, Srdjan (Journal article; Peer reviewed, 2021)
      Lithium (Li), valproate (VPA) and lamotrigine (LTG) are commonly used to treat bipolar disorder (BD). While their clinical efficacy is well established, the mechanisms of action at the molecular level are still incompletely ...