• Genome-wide analysis of anorexia nervosa and major psychiatric disorders and related traits reveals genetic overlap and identifies novel risk loci for anorexia nervosa 

      Bang, Lasse; Bahrami, Shahram; Hindley, Guy; Smeland, Olav Bjerkehagen; Rødevand, Linn; Jaholkowski, Piotr Pawel; Shadrin, Alexey; O'Connell, Kevin Sean; Frei, Oleksandr; Lin, Aihua; Rahman, Zillur; Cheng, Weiqiu; Parker, Nadine; Fan, Chun C.; Dale, Anders M.; Djurovic, Srdjan; Bulik, Cynthia M.; Andreassen, Ole (Journal article; Peer reviewed, 2023)
      Anorexia nervosa (AN) is a heritable eating disorder (50–60%) with an array of commonly comorbid psychiatric disorders and related traits. Although significant genetic correlations between AN and psychiatric disorders and ...
    • 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 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, ...
    • 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 ...
    • The shared genetic basis of mood instability and psychiatric disorders: A cross-trait genome-wide association analysis 

      Hindley, Guy Frederick Lanyon; O'Connell, Kevin Sean; Rahman, Zillur; Frei, Oleksandr; Bahrami, Shahram; Shadrin, Alexey; Høegh, Margrethe Collier; Cheng, Weiqiu; Karadag, Naz; Lin, Aihua; Rødevand, Linn; Fan, Chun C.; Djurovic, Srdjan; Lagerberg, Trine Vik; Dale, Anders; Smeland, Olav Bjerkehagen; Andreassen, Ole (Journal article; Peer reviewed, 2022)
      Recent genome-wide association studies of mood instability (MOOD) have found significant positive genetic correlation with major depression (DEP) and weak correlations with other psychiatric disorders. We investigated the ...