Publications 2025

Askeland-Gjerde DE, Westlye LT, Andersson P, Korbmacher M, de Lange AM, van der Meer D, Smeland OB, Halvorsen S, Andreassen OA, Gurholt TP (2025)
Mediation Analyses Link Cardiometabolic Factors and Liver Fat With White Matter Hyperintensities and Cognitive Performance: A UK Biobank Study
Biol Psychiatry Glob Open Sci, 5 (4), 100488
DOI 10.1016/j.bpsgos.2025.100488, PubMed 40330223

Birkenæs V, Parekh P, Hegemann L, Bakken NR, Frei E, Jaholkowski P, Smeland OB, Susser E, Rodriguez KM, Tesfaye M, Andreassen OA, Havdahl A, Sønderby IE (2025)
Youth psychotic experiences: psychometric evaluation and diagnostic associations of the CAPE-16 in adolescents from the Norwegian Mother, Mather and Child Cohort
J Child Psychol Psychiatry (in press)
DOI 10.1111/jcpp.70007, PubMed 40759589

Fominykh V, Shadrin AA, Jaholkowski P, Fuhrer J, Parker N, Wiström ED, Frei O, Smeland OB, Sanner H, Djurovic S, Andreassen OA (2025)
Mapping the genetic landscape of immune-mediated disorders: potential implications for classification and therapeutic strategies
Front Immunol, 16, 1543781
DOI 10.3389/fimmu.2025.1543781, PubMed 40406108

Frei E, Filiz TT, Frei O, Loughnan R, Jaholkowski P, Parker N, Bakken NR, Birkenæs V, Shadrin AA, Ask H, Andreassen OA, Smeland OB (2025)
Genome-wide analysis of screen behaviors among adolescents identifies novel loci and overlap with educational attainment and mental disorders
Sci Rep, 15 (1), 34420
DOI 10.1038/s41598-025-17450-y, PubMed 41038950

Frei E, Frei O, Jaholkowski P, Parker N, Parekh P, Shadrin AA, Hagen E, Bakken NR, Birkenæs V, Ask H, Andreassen OA, Smeland OB (2025)
The phenotypic and genetic relationship between adolescent mental health and time spent on social media, gaming, and TV
Psychiatry Res, 353, 116761 (in press)
DOI 10.1016/j.psychres.2025.116761, PubMed 41061597

Icick R, Shadrin A, Holen B, Karadag N, Parker N, O'Connell KS, Frei O, Bahrami S, Høegh MC, Lagerberg TV, Cheng W, Seibert TM, Djurovic S, Dale AM, Zhou H, Edenberg HJ, Gelernter J, Smeland OB, Hindley G, Andreassen OA (2025)
Identification of risk variants and cross-disorder pleiotropy through multi-ancestry genome-wide analysis of alcohol use disorder
Nat Ment Health, 3 (2), 253-265
DOI 10.1038/s44220-024-00353-8, PubMed 40322774

Kim M, Sharma N, Leonardsen EH, Rutherford S, Selbæk G, Persson K, Steen NE, Smeland OB, Ueland T, Richard G, Manoli A, Valk SL, Alnæs D, Beckman CF, Marquand AF, Andreassen OA, Westlye LT, Wolfers T, Moberget T (2025)
Predicting Mental and Neurological Illnesses Based on Cerebellar Normative Features
Biol Psychiatry Glob Open Sci, 5 (5), 100541
DOI 10.1016/j.bpsgos.2025.100541, PubMed 40678689

O'Connell KS, Koromina M, van der Veen T, Boltz T, David FS, Yang JMK, Lin KH, Wang X, Coleman JRI, Mitchell BL, McGrouther CC, Rangan AV, Lind PA, Koch E, Harder A, Parker N, Bendl J, Adorjan K, Agerbo E, Albani D, Alemany S, Alliey-Rodriguez N, Als TD, Andlauer TFM, Antoniou A et al. (2025)
Genomics yields biological and phenotypic insights into bipolar disorder
Nature, 639 (8056), 968-975
DOI 10.1038/s41586-024-08468-9, PubMed 39843750

Shadrin AA, Hindley G, Hagen E, Parker N, Tesfaye M, Jaholkowski P, Rahman Z, Kutrolli G, Fominykh V, Djurovic S, Smeland OB, O'Connell KS, van der Meer D, Frei O, Andreassen OA, Dale AM (2025)
Distinct patterns of genetic overlap among multimorbidities revealed with trivariate MiXeR
Genome Med, 17 (1), 106
DOI 10.1186/s13073-025-01528-3, PubMed 41023670

Smeland OB, Busch C, Andreassen OA, Manchia M (2025)
Novel Multimodal Precision Medicine Approaches and the Relevance of Developmental Trajectories in Bipolar Disorder
Biol Psychiatry, 98 (4), 343-353
DOI 10.1016/j.biopsych.2025.03.010, PubMed 40157588

van der Meer D, Hindley G, Shadrin AA, Smeland OB, Parker N, Dale AM, Frei O, Andreassen OA (2025)
Mapping the Genetic Landscape of Psychiatric Disorders With the MiXeR Toolset
Biol Psychiatry, 98 (6), 455-465
DOI 10.1016/j.biopsych.2025.02.886, PubMed 39983952

van der Meer D, Rahman Z, Ottas A, Parekh P, Kutrolli G, Stinson SE, Koromina M, Rokicki J, Sønderby IE, Parker N, Tesfaye M, Hindley G, Rødevand LN, Koch E, Estonian Biobank Research Team, Steen NE, Berg JP, O'Connell KS, Smeland OB, Frei O, Dale AM, Djurovic S, Lehto K, Alver M, Milani L et al. (2025)
Pleiotropic and sex-specific genetic mechanisms of circulating metabolic markers
Nat Commun, 16 (1), 4961
DOI 10.1038/s41467-025-60058-z, PubMed 40436851

Publications 2024

Bahrami S, Nordengen K, Rokicki J, Shadrin AA, Rahman Z, Smeland OB, Jaholkowski PP, Parker N, Parekh P, O'Connell KS, Elvsåshagen T, Toft M, Djurovic S, Dale AM, Westlye LT, Kaufmann T, Andreassen OA (2024)
The genetic landscape of basal ganglia and implications for common brain disorders
Nat Commun, 15 (1), 8476
DOI 10.1038/s41467-024-52583-0, PubMed 39353893

Frei O, Hindley G, Shadrin AA, van der Meer D, Akdeniz BC, Hagen E, Cheng W, O'Connell KS, Bahrami S, Parker N, Smeland OB, Holland D, Schizophrenia Working Group of the Psychiatric Genomics Consortium, de Leeuw C, Posthuma D, Andreassen OA, Dale AM (2024)
Improved functional mapping of complex trait heritability with GSA-MiXeR implicates biologically specific gene sets
Nat Genet, 56 (6), 1310-1318
DOI 10.1038/s41588-024-01771-1, PubMed 38831010

Hindley G, Drange OK, Lin A, Kutrolli G, Shadrin AA, Parker N, O'Connell KS, Rødevand L, Cheng W, Bahrami S, Karadag N, Holen B, Jaholkowski P, Woldeyohannes MT, Djurovic S, Dale AM, Frei O, Ueland T, Smeland OB, Andreassen OA (2024)
Corrigendum to "Cross-trait genome-wide association analysis of C-reactive protein level and psychiatric disorders" [Psychoneuroendocrinology 157 (2023) 106368]
Psychoneuroendocrinology, 162, 106980
DOI 10.1016/j.psyneuen.2024.106980, PubMed 38336601

Jaholkowski P, Bahrami S, Fominykh V, Hindley GFL, Tesfaye M, Parekh P, Parker N, Filiz TT, Nordengen K, Hagen E, Koch E, Bakken NR, Frei E, Birkenæs V, Rahman Z, Frei O, Haavik J, Djurovic S, Dale AM, Smeland OB, O'Connell KS, Shadrin AA, Andreassen OA (2024)
Charting the shared genetic architecture of Alzheimer's disease, cognition, and educational attainment, and associations with brain development
Neurobiol Dis, 203, 106750
DOI 10.1016/j.nbd.2024.106750, PubMed 39608471

Karadag N, Hagen E, Shadrin AA, van der Meer D, O'Connell KS, Rahman Z, Kutrolli G, Parker N, Bahrami S, Fominykh V, Heuser K, Taubøll E, Steen NE, Djurovic S, Dale AM, Frei O, Andreassen OA, Smeland OB (2024)
Dissecting the Shared Genetic Architecture of Common Epilepsies With Cortical Brain Morphology
Neurol Genet, 10 (3), e200143
DOI 10.1212/NXG.0000000000200143, PubMed 38817246

Karadag N, Hagen E, Shadrin AA, van der Meer D, O'Connell KS, Rahman Z, Kutrolli G, Parker N, Bahrami S, Fominykh V, Heuser K, Taubøll E, Ueland T, Steen NE, Djurovic S, Dale AM, Frei O, Andreassen OA, Smeland OB (2024)
Unraveling the shared genetics of common epilepsies and general cognitive ability
Seizure, 122, 105-112
DOI 10.1016/j.seizure.2024.09.016, PubMed 39388989

Koch E, Kämpe A, Alver M, Sigurðarson S, Einarsson G, Partanen J, Smith RL, Jaholkowski P, Taipale H, Lähteenvuo M, Steen NE, Smeland OB, Djurovic S, Molden E, FinnGen, Estonian Biobank Research Team, Sigurdsson E, Stefánsson H, Stefánsson K, Palotie A, Milani L, O'Connell KS, Andreassen OA (2024)
Polygenic liability for antipsychotic dosage and polypharmacy - a real-world registry and biobank study
Neuropsychopharmacology, 49 (7), 1113-1119
DOI 10.1038/s41386-023-01792-0, PubMed 38184734

Tesfaye M, Jaholkowski P, Shadrin AA, van der Meer D, Hindley GFL, Holen B, Parker N, Parekh P, Birkenæs V, Rahman Z, Bahrami S, Kutrolli G, Frei O, Djurovic S, Dale AM, Smeland OB, O'Connell KS, Andreassen OA (2024)
Identification of novel genomic loci for anxiety symptoms and extensive genetic overlap with psychiatric disorders
Psychiatry Clin Neurosci, 78 (12), 783-791
DOI 10.1111/pcn.13742, PubMed 39301620

van der Meer D, Cheng W, Rokicki J, Fernandez-Cabello S, Shadrin A, Smeland OB, Ehrhart F, Gülöksüz S, Pries LK, Lin B, Rutten BPF, van Os J, O'Donovan M, Richards AL, Steen NE, Djurovic S, Westlye LT, Andreassen OA, Kaufmann T, Genetic Risk and Outcome of Psychosis investigators (GROUP), European Network of National Schizophrenia Networks Studying Gene-Environment Interactions Work Package 6 (EU-GEI WP6) (2024)
Clustering Schizophrenia Genes by Their Temporal Expression Patterns Aids Functional Interpretation
Schizophr Bull, 50 (2), 327-338
DOI 10.1093/schbul/sbad140, PubMed 37824720

Wootton O, Shadrin AA, Bjella T, Smeland OB, van der Meer D, Frei O, O'Connell KS, Ueland T, Andreassen OA, Stein DJ, Dalvie S (2024)
Genomic insights into the shared and distinct genetic architecture of cognitive function and schizophrenia
Sci Rep, 14 (1), 15356
DOI 10.1038/s41598-024-66085-y, PubMed 38961113

Publications 2023

Akkouh IA, Ueland T, Szabo A, Hughes T, Smeland OB, Andreassen OA, Osete JR, Djurovic S (2023)
Longitudinal Transcriptomic Analysis of Human Cortical Spheroids Identifies Axonal Dysregulation in the Prenatal Brain as a Mediator of Genetic Risk for Schizophrenia
Biol Psychiatry, 95 (7), 687-698
DOI 10.1016/j.biopsych.2023.08.017, PubMed 37661009

Andreassen OA, Hindley GFL, Frei O, Smeland OB (2023)
New insights from the last decade of research in psychiatric genetics: discoveries, challenges and clinical implications
World Psychiatry, 22 (1), 4-24
DOI 10.1002/wps.21034, PubMed 36640404

Bang L, Bahrami S, Hindley G, Smeland OB, Rødevand L, Jaholkowski PP, Shadrin A, Connell KSO, Frei O, Lin A, Rahman Z, Cheng W, Parker N, Fan CC, Dale AM, Djurovic S, Bulik CM, Andreassen OA (2023)
Genome-wide analysis of anorexia nervosa and major psychiatric disorders and related traits reveals genetic overlap and identifies novel risk loci for anorexia nervosa
Transl Psychiatry, 13 (1), 291
DOI 10.1038/s41398-023-02585-1, PubMed 37658054

Birkenæs V, Refsum Bakken N, Frei E, Jaholkowski P, Smeland OB, Tesfaye M, Agartz I, Susser E, Bresnahan M, Røysamb E, Nordbø Jørgensen K, Nesvåg R, Havdahl A, Andreassen OA, Elken Sønderby I (2023)
Psychometric Properties and Diagnostic Associations of the Short-Form Community Assessment of Psychic Experiences in a Population-Based Sample of 29 021 Adult Men
Schizophr Bull, 49 (5), 1229-1238
DOI 10.1093/schbul/sbad074, PubMed 37262330

Cheng W, Parker N, Karadag N, Koch E, Hindley G, Icick R, Shadrin A, O'Connell KS, Bjella T, Bahrami S, Rahman Z, Tesfaye M, Jaholkowski P, Rødevand L, Holen B, Lagerberg TV, Steen NE, Djurovic S, Dale AM, Frei O, Smeland OB, Andreassen OA (2023)
The relationship between cannabis use, schizophrenia, and bipolar disorder: a genetically informed study
Lancet Psychiatry, 10 (6), 441-451
DOI 10.1016/S2215-0366(23)00143-8, PubMed 37208114

Docherty AR, Mullins N, Ashley-Koch AE, Qin X, Coleman JRI, Shabalin A, Kang J, Murnyak B, Wendt F, Adams M, Campos AI, DiBlasi E, Fullerton JM, Kranzler HR, Bakian AV, Monson ET, Rentería ME, Walss-Bass C, Andreassen OA, Behera C, Bulik CM, Edenberg HJ, Kessler RC, Mann JJ, Nurnberger JI et al. (2023)
GWAS Meta-Analysis of Suicide Attempt: Identification of 12 Genome-Wide Significant Loci and Implication of Genetic Risks for Specific Health Factors
Am J Psychiatry, 180 (10), 723-738
DOI 10.1176/appi.ajp.21121266, PubMed 37777856

Hindley G, Drange OK, Lin A, Kutrolli G, Shadrin AA, Parker N, O'Connell KS, Rødevand L, Cheng W, Bahrami S, Karadag N, Holen B, Jaholkowski P, Woldeyohannes MT, Djurovic S, Dale AM, Frei O, Ueland T, Smeland OB, Andreassen OA (2023)
Cross-trait genome-wide association analysis of C-reactive protein level and psychiatric disorders
Psychoneuroendocrinology, 157, 106368
DOI 10.1016/j.psyneuen.2023.106368, PubMed 37659117

Hindley G, Shadrin AA, van der Meer D, Parker N, Cheng W, O'Connell KS, Bahrami S, Lin A, Karadag N, Holen B, Bjella T, Deary IJ, Davies G, Hill WD, Bressler J, Seshadri S, Fan CC, Ueland T, Djurovic S, Smeland OB, Frei O, Dale AM, Andreassen OA (2023)
Multivariate genetic analysis of personality and cognitive traits reveals abundant pleiotropy
Nat Hum Behav, 7 (9), 1584-1600
DOI 10.1038/s41562-023-01630-9, PubMed 37365406

Holen B, Kutrolli G, Shadrin AA, Icick R, Hindley G, Rødevand L, O'Connell KS, Frei O, Parker N, Tesfaye M, Deak JD, Jahołkowski P, Dale AM, Djurovic S, Andreassen OA, Smeland OB (2023)
Genome-wide analyses reveal shared genetic architecture and novel risk loci between opioid use disorder and general cognitive ability
Drug Alcohol Depend, 256, 111058
DOI 10.1016/j.drugalcdep.2023.111058, PubMed 38244365

Holen B, Shadrin AA, Icick R, Filiz TT, Hindley G, Rødevand L, O'Connell KS, Hagen E, Frei O, Bahrami S, Cheng W, Parker N, Tesfaye M, Jahołkowski P, Karadag N, Dale AM, Djurovic S, Smeland OB, Andreassen OA (2023)
Genome-wide analyses reveal novel opioid use disorder loci and genetic overlap with schizophrenia, bipolar disorder, and major depression
Addict Biol, 28 (6), e13282
DOI 10.1111/adb.13282, PubMed 37252880

Jaholkowski P, Hindley GFL, Shadrin AA, Tesfaye M, Bahrami S, Nerhus M, Rahman Z, O'Connell KS, Holen B, Parker N, Cheng W, Lin A, Rødevand L, Karadag N, Frei O, Djurovic S, Dale AM, Smeland OB, Andreassen OA (2023)
Genome-wide Association Analysis of Schizophrenia and Vitamin D Levels Shows Shared Genetic Architecture and Identifies Novel Risk Loci
Schizophr Bull, 49 (6), 1654-1664
DOI 10.1093/schbul/sbad063, PubMed 37163672

Jaholkowski P, Shadrin AA, Jangmo A, Frei E, Tesfaye M, Hindley GFL, Haram M, Rahman Z, Athanasiu L, Bakken NR, Holen B, Fominykh V, Kutrolli G, Parekh P, Parker N, Rødevand L, Birkenæs V, Djurovic S, Frei O, O'Connell KS, Smeland OB, Tesli M, Andreassen OA (2023)
Associations Between Symptoms of Premenstrual Disorders and Polygenic Liability for Major Psychiatric Disorders
JAMA Psychiatry, 80 (7), 738-742
DOI 10.1001/jamapsychiatry.2023.1137, PubMed 37163253

Karadag N, Shadrin AA, O'Connell KS, Hindley GFL, Rahman Z, Parker N, Bahrami S, Fominykh V, Cheng W, Holen B, Alvestad S, Taubøll E, Steen NE, Djurovic S, Dale AM, Frei O, Andreassen OA, Smeland OB (2023)
Identification of novel genomic risk loci shared between common epilepsies and psychiatric disorders
Brain, 146 (8), 3392-3403
DOI 10.1093/brain/awad038, PubMed 36757824

O'Connell KS, Koch E, Lenk HÇ, Akkouh IA, Hindley G, Jaholkowski P, Smith RL, Holen B, Shadrin AA, Frei O, Smeland OB, Steen NE, Dale AM, Molden E, Djurovic S, Andreassen OA (2023)
Polygenic overlap with body-mass index improves prediction of treatment-resistant schizophrenia
Psychiatry Res, 325, 115217
DOI 10.1016/j.psychres.2023.115217, PubMed 37146461

Osete JR, Akkouh IA, Ievglevskyi O, Vandenberghe M, de Assis DR, Ueland T, Kondratskaya E, Holen B, Szabo A, Hughes T, Smeland OB, Steen VM, Andreassen OA, Djurovic S (2023)
Transcriptional and functional effects of lithium in bipolar disorder iPSC-derived cortical spheroids
Mol Psychiatry, 28 (7), 3033-3043
DOI 10.1038/s41380-023-01944-0, PubMed 36653674

Parker N, Cheng W, Hindley GFL, O'Connell KS, Karthikeyan S, Holen B, Shadrin AA, Rahman Z, Karadag N, Bahrami S, Lin A, Steen NE, Ueland T, Aukrust P, Djurovic S, Dale AM, Smeland OB, Frei O, Andreassen OA (2023)
Genetic Overlap Between Global Cortical Brain Structure, C-Reactive Protein, and White Blood Cell Counts
Biol Psychiatry, 95 (1), 62-71
DOI 10.1016/j.biopsych.2023.06.008, PubMed 37348803

Parker N, Cheng W, Hindley GFL, Parekh P, Shadrin AA, Maximov II, Smeland OB, Djurovic S, Dale AM, Westlye LT, Frei O, Andreassen OA (2023)
Psychiatric disorders and brain white matter exhibit genetic overlap implicating developmental and neural cell biology
Mol Psychiatry, 28 (11), 4924-4932
DOI 10.1038/s41380-023-02264-z, PubMed 37759039

Reas ET, Shadrin A, Frei O, Motazedi E, McEvoy L, Bahrami S, van der Meer D, Makowski C, Loughnan R, Wang X, Broce I, Banks SJ, Fominykh V, Cheng W, Holland D, Smeland OB, Seibert T, Selbaek G, Brewer JB, Fan CC, Andreassen OA, Dale AM, Alzheimer's Disease Neuroimaging Initiative (2023)
Improved multimodal prediction of progression from MCI to Alzheimer's disease combining genetics with quantitative brain MRI and cognitive measures
Alzheimers Dement, 19 (11), 5151-5158
DOI 10.1002/alz.13112, PubMed 37132098

Rødevand L, Rahman Z, Hindley GFL, Smeland OB, Frei O, Tekin TF, Kutrolli G, Bahrami S, Hoseth EZ, Shadrin A, Lin A, Djurovic S, Dale AM, Steen NE, Andreassen OA (2023)
Characterizing the Shared Genetic Underpinnings of Schizophrenia and Cardiovascular Disease Risk Factors
Am J Psychiatry, 180 (11), 815-826
DOI 10.1176/appi.ajp.20220660, PubMed 37752828

Steen NE, Rahman Z, Szabo A, Hindley GFL, Parker N, Cheng W, Lin A, O'Connell KS, Sheikh MA, Shadrin A, Bahrami S, Karthikeyan S, Hoseth EZ, Dale AM, Aukrust P, Smeland OB, Ueland T, Frei O, Djurovic S, Andreassen OA (2023)
Shared Genetic Loci Between Schizophrenia and White Blood Cell Counts Suggest Genetically Determined Systemic Immune Abnormalities
Schizophr Bull, 49 (5), 1345-1354
DOI 10.1093/schbul/sbad082, PubMed 37319439

Tesfaye M, Jaholkowski P, Hindley GFL, Shadrin AA, Rahman Z, Bahrami S, Lin A, Holen B, Parker N, Cheng W, Rødevand L, Frei O, Djurovic S, Dale AM, Smeland OB, O'Connell KS, Andreassen OA (2023)
Shared genetic architecture between irritable bowel syndrome and psychiatric disorders reveals molecular pathways of the gut-brain axis
Genome Med, 15 (1), 60
DOI 10.1186/s13073-023-01212-4, PubMed 37528461

Wang H, Makowski C, Zhang Y, Qi A, Kaufmann T, Smeland OB, Fiecas M, Yang J, Visscher PM, Chen CH (2023)
Chromosomal inversion polymorphisms shape human brain morphology
Cell Rep, 42 (8), 112896
DOI 10.1016/j.celrep.2023.112896, PubMed 37505983

Publications 2022

Bahrami S, Hindley G, Winsvold BS, O'Connell KS, Frei O, Shadrin A, Cheng W, Bettella F, Rødevand L, Odegaard KJ, Fan CC, Pirinen MJ, Hautakangas HM, HUNT All-In Headache, Dale AM, Djurovic S, Smeland OB, Andreassen OA (2022)
Dissecting the shared genetic basis of migraine and mental disorders using novel statistical tools
Brain, 145 (1), 142-153
DOI 10.1093/brain/awab267, PubMed 34273149

Cheng W, van der Meer D, Parker N, Hindley G, O'Connell KS, Wang Y, Shadrin AA, Alnæs D, Bahrami S, Lin A, Karadag N, Holen B, Fernandez-Cabello S, Fan CC, Dale AM, Djurovic S, Westlye LT, Frei O, Smeland OB, Andreassen OA (2022)
Shared genetic architecture between schizophrenia and subcortical brain volumes implicates early neurodevelopmental processes and brain development in childhood
Mol Psychiatry, 27 (12), 5167-5176
DOI 10.1038/s41380-022-01751-z, PubMed 36100668

Hindley G, Frei O, Shadrin AA, Cheng W, O'Connell KS, Icick R, Parker N, Bahrami S, Karadag N, Roelfs D, Holen B, Lin A, Fan CC, Djurovic S, Dale AM, Smeland OB, Andreassen OA (2022)
Charting the Landscape of Genetic Overlap Between Mental Disorders and Related Traits Beyond Genetic Correlation
Am J Psychiatry, 179 (11), 833-843
DOI 10.1176/appi.ajp.21101051, PubMed 36069018

Hindley G, O'Connell KS, Rahman Z, Frei O, Bahrami S, Shadrin A, Høegh MC, Cheng W, Karadag N, Lin A, Rødevand L, Fan CC, Djurovic S, Lagerberg TV, Dale AM, Smeland OB, Andreassen OA (2022)
The shared genetic basis of mood instability and psychiatric disorders: A cross-trait genome-wide association analysis
Am J Med Genet B Neuropsychiatr Genet, 189 (6), 207-218
DOI 10.1002/ajmg.b.32907, PubMed 35841185

Icick R, Shadrin A, Holen B, Karadag N, Lin A, Hindley G, O'Connell K, Frei O, Bahrami S, Høegh MC, Cheng W, Fan CC, Djurovic S, Dale AM, Lagerberg TV, Smeland OB, Andreassen OA (2022)
Genetic overlap between mood instability and alcohol-related phenotypes suggests shared biological underpinnings
Neuropsychopharmacology, 47 (11), 1883-1891
DOI 10.1038/s41386-022-01401-6, PubMed 35953530

Smeland OB, Andreassen OA (2022)
Schizophrenia: genetic insights with clinical potential
Nat Rev Neurol, 18 (3), 129-130
DOI 10.1038/s41582-021-00613-6, PubMed 34987233

Streit F, Witt SH, Awasthi S, Foo JC, Jungkunz M, Frank J, Colodro-Conde L, Hindley G, Smeland OB, Maslahati T, Schwarze CE, Dahmen N, Schott BH, Kleindienst N, Hartmann A, Giegling I, Zillich L, Sirignano L, Poisel E, Chen CH, Nöthen MM, Mobascher A, Rujescu D, Lieb K, Roepke S et al. (2022)
Borderline personality disorder and the big five: molecular genetic analyses indicate shared genetic architecture with neuroticism and openness
Transl Psychiatry, 12 (1), 153
DOI 10.1038/s41398-022-01912-2, PubMed 35411043

Torgersen K, Rahman Z, Bahrami S, Hindley GFL, Parker N, Frei O, Shadrin A, O'Connell KS, Tesli M, Smeland OB, Munkhaugen J, Djurovic S, Dammen T, Andreassen OA (2022)
Shared genetic loci between depression and cardiometabolic traits
PLoS Genet, 18 (5), e1010161
DOI 10.1371/journal.pgen.1010161, PubMed 35560157

Van Assche E, Schulte EC, Andreassen OA, Smeland OB, Luykx JJ (2022)
Editorial: Cross-disorder Genetics in Neuropsychiatry
Front Neurosci, 16, 826300
DOI 10.3389/fnins.2022.826300, PubMed 35221906

van der Meer D, Shadrin AA, O'Connell K, Bettella F, Djurovic S, Wolfers T, Alnæs D, Agartz I, Smeland OB, Melle I, Sánchez JM, Linden DEJ, Dale AM, Westlye LT, Andreassen OA, Frei O, Kaufmann T (2022)
Boosting Schizophrenia Genetics by Utilizing Genetic Overlap With Brain Morphology
Biol Psychiatry, 92 (4), 291-298
DOI 10.1016/j.biopsych.2021.12.007, PubMed 35164939

Publications 2021

Bahrami S, Shadrin A, Frei O, O'Connell KS, Bettella F, Krull F, Fan CC, Røssberg JI, Hindley G, Ueland T, Dale AM, Djurovic S, Steen NE, Smeland OB, Andreassen OA (2021)
Genetic loci shared between major depression and intelligence with mixed directions of effect
Nat Hum Behav, 5 (6), 795-801
DOI 10.1038/s41562-020-01031-2, PubMed 33462475

Blokland GAM, Grove J, Chen CY, Cotsapas C, Tobet S, Handa R, Schizophrenia Working Group of the Psychiatric Genomics Consortium, St Clair D, Lencz T, Mowry BJ, Periyasamy S, Cairns MJ, Tooney PA, Wu JQ, Kelly B, Kirov G, Sullivan PF, Corvin A, Riley BP, Esko T, Milani L, Jönsson EG, Palotie A, Ehrenreich H, Begemann M et al. (2021)
Sex-Dependent Shared and Nonshared Genetic Architecture Across Mood and Psychotic Disorders
Biol Psychiatry, 91 (1), 102-117
DOI 10.1016/j.biopsych.2021.02.972, PubMed 34099189

Cheng W, Frei O, van der Meer D, Wang Y, O'Connell KS, Chu Y, Bahrami S, Shadrin AA, Alnæs D, Hindley GFL, Lin A, Karadag N, Fan CC, Westlye LT, Kaufmann T, Molden E, Dale AM, Djurovic S, Smeland OB, Andreassen OA (2021)
Genetic Association Between Schizophrenia and Cortical Brain Surface Area and Thickness
JAMA Psychiatry, 78 (9), 1020-1030
DOI 10.1001/jamapsychiatry.2021.1435, PubMed 34160554

Dieset I, Løvhaug L, Selle M, Kolseth A, Smeland OB, Færden A (2021)
Lessons learned from a cross-sectional survey among patients and staff in an acute psychiatric unit during an ongoing pandemic outbreak
Psychiatry Res, 298, 113779
DOI 10.1016/j.psychres.2021.113779, PubMed 33561619

Elvsåshagen T, Shadrin A, Frei O, van der Meer D, Bahrami S, Kumar VJ, Smeland O, Westlye LT, Andreassen OA, Kaufmann T (2021)
The genetic architecture of the human thalamus and its overlap with ten common brain disorders
Nat Commun, 12 (1), 2909
DOI 10.1038/s41467-021-23175-z, PubMed 34006833

Gurholt TP, Kaufmann T, Frei O, Alnæs D, Haukvik UK, van der Meer D, Moberget T, O'Connell KS, Leinhard OD, Linge J, Simon R, Smeland OB, Sønderby IE, Winterton A, Steen NE, Westlye LT, Andreassen OA (2021)
Population-based body-brain mapping links brain morphology with anthropometrics and body composition
Transl Psychiatry, 11 (1), 295
DOI 10.1038/s41398-021-01414-7, PubMed 34006848

Hindley G, Bahrami S, Steen NE, O'Connell KS, Frei O, Shadrin A, Bettella F, Rødevand L, Fan CC, Dale AM, Djurovic S, Smeland OB, Andreassen OA (2021)
Characterising the shared genetic determinants of bipolar disorder, schizophrenia and risk-taking
Transl Psychiatry, 11 (1), 466
DOI 10.1038/s41398-021-01576-4, PubMed 34497263

Holland D, Frei O, Desikan R, Fan CC, Shadrin AA, Smeland OB, Andreassen OA, Dale AM (2021)
The genetic architecture of human complex phenotypes is modulated by linkage disequilibrium and heterozygosity
Genetics, 217 (3)
DOI 10.1093/genetics/iyaa046, PubMed 33789345

Holland D, Frei O, Desikan R, Fan CC, Shadrin AA, Smeland OB, Andreassen OA, Dale AM (2021)
Erratum to: The genetic architecture of human complex phenotypes is modulated by linkage disequilibrium and heterozygosity
Genetics, 218 (2)
DOI 10.1093/genetics/iyab064, PubMed 34167151

Kalman JL, Olde Loohuis LM, Vreeker A, McQuillin A, Stahl EA, Ruderfer D, Grigoroiu-Serbanescu M, Panagiotaropoulou G, Ripke S, Bigdeli TB, Stein F, Meller T, Meinert S, Pelin H, Streit F, Papiol S, Adams MJ, Adolfsson R, Adorjan K, Agartz I, Aminoff SR, Anderson-Schmidt H, Andreassen OA, Ardau R, Aubry JM et al. (2021)
Characterisation of age and polarity at onset in bipolar disorder
Br J Psychiatry, 219 (6), 659-669
DOI 10.1192/bjp.2021.102, PubMed 35048876

Krull F, Akkouh I, Hughes T, Bettella F, Athanasiu L, Smeland OB, O'Connell KS, Brattbakk HR, Steen VM, Steen NE, Djurovic S, Andreassen OA (2021)
Dose-dependent transcriptional effects of lithium and adverse effect burden in a psychiatric cohort
Prog Neuropsychopharmacol Biol Psychiatry, 112, 110408
DOI 10.1016/j.pnpbp.2021.110408, PubMed 34320404

Manchia M, Vieta E, Smeland OB, Altimus C, Bechdolf A, Bellivier F, Bergink V, Fagiolini A, Geddes JR, Hajek T, Henry C, Kupka R, Lagerberg TV, Licht RW, Martinez-Cengotitabengoa M, Morken G, Nielsen RE, González-Pinto A, Reif A, Rietschel M, Ritter P, Schulze TG, Scott J, Severus E, Yildiz A et al. (2021)
Corrigendum to "Translating big data to better treatment in bipolar disorder - a manifesto for coordinated action [European Neuropsychopharmacology (2020) 36, 121-136]"
Eur Neuropsychopharmacol, 44, 121-122
DOI 10.1016/j.euroneuro.2021.01.001, PubMed 33495109

Monereo-Sánchez J, Schram MT, Frei O, O'Connell K, Shadrin AA, Smeland OB, Westlye LT, Andreassen OA, Kaufmann T, Linden DEJ, van der Meer D (2021)
Genetic Overlap Between Alzheimer's Disease and Depression Mapped Onto the Brain
Front Neurosci, 15, 653130
DOI 10.3389/fnins.2021.653130, PubMed 34290577

Mullins N, Forstner AJ, O'Connell KS, Coombes B, Coleman JRI, Qiao Z, Als TD, Bigdeli TB, Børte S, Bryois J, Charney AW, Drange OK, Gandal MJ, Hagenaars SP, Ikeda M, Kamitaki N, Kim M, Krebs K, Panagiotaropoulou G, Schilder BM, Sloofman LG, Steinberg S, Trubetskoy V, Winsvold BS, Won HH et al. (2021)
Genome-wide association study of more than 40,000 bipolar disorder cases provides new insights into the underlying biology
Nat Genet, 53 (6), 817-829
DOI 10.1038/s41588-021-00857-4, PubMed 34002096

Mullins N, Kang J, Campos AI, Coleman JRI, Edwards AC, Galfalvy H, Levey DF, Lori A, Shabalin A, Starnawska A, Su MH, Watson HJ, Adams M, Awasthi S, Gandal M, Hafferty JD, Hishimoto A, Kim M, Okazaki S, Otsuka I, Ripke S, Ware EB, Bergen AW, Berrettini WH, Bohus M et al. (2021)
Dissecting the Shared Genetic Architecture of Suicide Attempt, Psychiatric Disorders, and Known Risk Factors
Biol Psychiatry, 91 (3), 313-327
DOI 10.1016/j.biopsych.2021.05.029, PubMed 34861974

O'Connell KS, Frei O, Bahrami S, Smeland OB, Bettella F, Cheng W, Chu Y, Hindley G, Lin A, Shadrin A, Barrett EA, Lagerberg TV, Steen NE, Dale AM, Djurovic S, Andreassen OA (2021)
Characterizing the Genetic Overlap Between Psychiatric Disorders and Sleep-Related Phenotypes
Biol Psychiatry, 90 (9), 621-631
DOI 10.1016/j.biopsych.2021.07.007, PubMed 34482950

O'Connell KS, Sønderby IE, Frei O, van der Meer D, Athanasiu L, Smeland OB, Alnæs D, Kaufmann T, Westlye LT, Steen VM, Andreassen OA, Hughes T, Djurovic S (2021)
Association between complement component 4A expression, cognitive performance and brain imaging measures in UK Biobank
Psychol Med, 52 (15), 1-11 (in press)
DOI 10.1017/S0033291721000179, PubMed 33653435

Osete JR, Akkouh IA, de Assis DR, Szabo A, Frei E, Hughes T, Smeland OB, Steen NE, Andreassen OA, Djurovic S (2021)
Lithium increases mitochondrial respiration in iPSC-derived neural precursor cells from lithium responders
Mol Psychiatry, 26 (11), 6789-6805
DOI 10.1038/s41380-021-01164-4, PubMed 34075196

Roelfs D, Alnæs D, Frei O, van der Meer D, Smeland OB, Andreassen OA, Westlye LT, Kaufmann T (2021)
Phenotypically independent profiles relevant to mental health are genetically correlated
Transl Psychiatry, 11 (1), 202
DOI 10.1038/s41398-021-01313-x, PubMed 33795632

Rødevand L, Bahrami S, Frei O, Chu Y, Shadrin A, O'Connell KS, Smeland OB, Elvsåshagen T, Hindley GFL, Djurovic S, Dale AM, Lagerberg TV, Steen NE, Andreassen OA (2021)
Extensive bidirectional genetic overlap between bipolar disorder and cardiovascular disease phenotypes
Transl Psychiatry, 11 (1), 407
DOI 10.1038/s41398-021-01527-z, PubMed 34301917

Rødevand L, Bahrami S, Frei O, Lin A, Gani O, Shadrin A, Smeland OB, Connell KSO, Elvsåshagen T, Winterton A, Quintana DS, Hindley GFL, Werner MCF, Djurovic S, Dale AM, Lagerberg TV, Steen NE, Andreassen OA (2021)
Polygenic overlap and shared genetic loci between loneliness, severe mental disorders, and cardiovascular disease risk factors suggest shared molecular mechanisms
Transl Psychiatry, 11 (1), 3
DOI 10.1038/s41398-020-01142-4, PubMed 33414458

Shadrin AA, Kaufmann T, van der Meer D, Palmer CE, Makowski C, Loughnan R, Jernigan TL, Seibert TM, Hagler DJ, Smeland OB, Motazedi E, Chu Y, Lin A, Cheng W, Hindley G, Thompson WK, Fan CC, Holland D, Westlye LT, Frei O, Andreassen OA, Dale AM (2021)
Vertex-wise multivariate genome-wide association study identifies 780 unique genetic loci associated with cortical morphology
Neuroimage, 244, 118603
DOI 10.1016/j.neuroimage.2021.118603, PubMed 34560273

Smeland OB, Andreassen OA (2021)
Polygenic risk scores in psychiatry - Large potential but still limited clinical utility
Eur Neuropsychopharmacol, 51, 68-70
DOI 10.1016/j.euroneuro.2021.05.007, PubMed 34091254

Szabo A, Akkouh IA, Vandenberghe M, Osete JR, Hughes T, Heine V, Smeland OB, Glover JC, Andreassen OA, Djurovic S (2021)
A human iPSC-astroglia neurodevelopmental model reveals divergent transcriptomic patterns in schizophrenia
Transl Psychiatry, 11 (1), 554
DOI 10.1038/s41398-021-01681-4, PubMed 34716291

Torgersen K, Bahrami S, Frei O, Shadrin A, Connell KSO, Smeland OB, Munkhaugen J, Djurovic S, Dammen T, Andreassen OA (2021)
Shared genetic architecture between neuroticism, coronary artery disease and cardiovascular risk factors
Transl Psychiatry, 11 (1), 368
DOI 10.1038/s41398-021-01466-9, PubMed 34226488

Wiström ED, O'Connell KS, Karadag N, Bahrami S, Hindley GFL, Lin A, Cheng W, Steen NE, Shadrin A, Frei O, Djurovic S, Dale AM, Andreassen OA, Smeland OB (2021)
Genome-wide analysis reveals genetic overlap between alcohol use behaviours, schizophrenia and bipolar disorder and identifies novel shared risk loci
Addiction, 117 (3), 600-610
DOI 10.1111/add.15680, PubMed 34472679

Publications 2020

Bahrami S, Steen NE, Shadrin A, O'Connell K, Frei O, Bettella F, Wirgenes KV, Krull F, Fan CC, Dale AM, Smeland OB, Djurovic S, Andreassen OA (2020)
Shared Genetic Loci Between Body Mass Index and Major Psychiatric Disorders: A Genome-wide Association Study
JAMA Psychiatry, 77 (5), 503-512
DOI 10.1001/jamapsychiatry.2019.4188, PubMed 31913414

Córdova-Palomera A, van der Meer D, Kaufmann T, Bettella F, Wang Y, Alnæs D, Doan NT, Agartz I, Bertolino A, Buitelaar JK, Coynel D, Djurovic S, Dørum ES, Espeseth T, Fazio L, Franke B, Frei O, Håberg A, Le Hellard S, Jönsson EG, Kolskår KK, Lund MJ, Moberget T, Nordvik JE, Nyberg L et al. (2020)
Genetic control of variability in subcortical and intracranial volumes
Mol Psychiatry, 26 (8), 3876-3883
DOI 10.1038/s41380-020-0664-1, PubMed 32047264

Engen MJ, Lyngstad SH, Ueland T, Simonsen CE, Vaskinn A, Smeland O, Bettella F, Lagerberg TV, Djurovic S, Andreassen OA, Melle I (2020)
Polygenic scores for schizophrenia and general cognitive ability: associations with six cognitive domains, premorbid intelligence, and cognitive composite score in individuals with a psychotic disorder and in healthy controls
Transl Psychiatry, 10 (1), 416
DOI 10.1038/s41398-020-01094-9, PubMed 33257657

Holland D, Frei O, Desikan R, Fan CC, Shadrin AA, Smeland OB, Sundar VS, Thompson P, Andreassen OA, Dale AM (2020)
Beyond SNP heritability: Polygenicity and discoverability of phenotypes estimated with a univariate Gaussian mixture model
PLoS Genet, 16 (5), e1008612
DOI 10.1371/journal.pgen.1008612, PubMed 32427991

Kaufmann T, van der Meer D, Doan NT, Schwarz E, Lund MJ, Agartz I, Alnæs D, Barch DM, Baur-Streubel R, Bertolino A, Bettella F, Beyer MK, Bøen E, Borgwardt S, Brandt CL, Buitelaar J, Celius EG, Cervenka S, Conzelmann A, Córdova-Palomera A, Dale AM, de Quervain DJF, Di Carlo P, Djurovic S, Dørum ES et al. (2020)
Publisher Correction: Common brain disorders are associated with heritable patterns of apparent aging of the brain
Nat Neurosci, 23 (2), 295
DOI 10.1038/s41593-019-0553-6, PubMed 31848485

Manchia M, Vieta E, Smeland OB, Altimus C, Bechdolf A, Bellivier F, Bergink V, Fagiolini A, Geddes JR, Hajek T, Henry C, Kupka R, Lagerberg TV, Licht RW, Martinez-Cengotitabengoa M, Morken G, Nielsen RE, Pinto AG, Reif A, Rietschel M, Ritter P, Schulze TG, Scott J, Severus E, Yildiz A et al. (2020)
Translating big data to better treatment in bipolar disorder - a manifesto for coordinated action
Eur Neuropsychopharmacol, 36, 121-136
DOI 10.1016/j.euroneuro.2020.05.006, PubMed 32536571

Shadrin AA, Frei O, Smeland OB, Bettella F, O'Connell KS, Gani O, Bahrami S, Uggen TKE, Djurovic S, Holland D, Andreassen OA, Dale AM (2020)
Phenotype-specific differences in polygenicity and effect size distribution across functional annotation categories revealed by AI-MiXeR
Bioinformatics, 36 (18), 4749-4756
DOI 10.1093/bioinformatics/btaa568, PubMed 32539089

Smeland OB, Bahrami S, Frei O, Shadrin A, O'Connell K, Savage J, Watanabe K, Krull F, Bettella F, Steen NE, Ueland T, Posthuma D, Djurovic S, Dale AM, Andreassen OA (2020)
Correction: Genome-wide analysis reveals extensive genetic overlap between schizophrenia, bipolar disorder, and intelligence
Mol Psychiatry, 25 (4), 914
DOI 10.1038/s41380-019-0456-7, PubMed 31308466

Smeland OB, Frei O, Dale AM, Andreassen OA (2020)
The polygenic architecture of schizophrenia - rethinking pathogenesis and nosology
Nat Rev Neurol, 16 (7), 366-379
DOI 10.1038/s41582-020-0364-0, PubMed 32528109

Smeland OB, Shadrin A, Bahrami S, Broce I, Tesli M, Frei O, Wirgenes KV, O'Connell KS, Krull F, Bettella F, Steen NE, Sugrue L, Wang Y, Svenningsson P, Sharma M, Pihlstrøm L, Toft M, O'Donovan M, Djurovic S, Desikan R, Dale AM, Andreassen OA (2020)
Genome-wide Association Analysis of Parkinson's Disease and Schizophrenia Reveals Shared Genetic Architecture and Identifies Novel Risk Loci
Biol Psychiatry, 89 (3), 227-235
DOI 10.1016/j.biopsych.2020.01.026, PubMed 32201043

van der Meer D, Frei O, Kaufmann T, Shadrin AA, Devor A, Smeland OB, Thompson WK, Fan CC, Holland D, Westlye LT, Andreassen OA, Dale AM (2020)
Understanding the genetic determinants of the brain with MOSTest
Nat Commun, 11 (1), 3512
DOI 10.1038/s41467-020-17368-1, PubMed 32665545

van der Meer D, Frei O, Kaufmann T, Shadrin AA, Devor A, Smeland OB, Thompson WK, Fan CC, Holland D, Westlye LT, Andreassen OA, Dale AM (2020)
Author Correction: Understanding the genetic determinants of the brain with MOSTest
Nat Commun, 11 (1), 4700
DOI 10.1038/s41467-020-18628-w, PubMed 32929091

Publications 2019

Alnæs D, Kaufmann T, van der Meer D, Córdova-Palomera A, Rokicki J, Moberget T, Bettella F, Agartz I, Barch DM, Bertolino A, Brandt CL, Cervenka S, Djurovic S, Doan NT, Eisenacher S, Fatouros-Bergman H, Flyckt L, Di Giorgio A, Haatveit B, Jönsson EG, Kirsch P, Lund MJ, Meyer-Lindenberg A, Pergola G, Schwarz E et al. (2019)
Brain Heterogeneity in Schizophrenia and Its Association With Polygenic Risk
JAMA Psychiatry, 76 (7), 739-748
DOI 10.1001/jamapsychiatry.2019.0257, PubMed 30969333

Drange OK, Smeland OB, Shadrin AA, Finseth PI, Witoelar A, Frei O, Psychiatric Genomics Consortium Bipolar Disorder Working Group, Wang Y, Hassani S, Djurovic S, Dale AM, Andreassen OA (2019)
Genetic Overlap Between Alzheimer's Disease and Bipolar Disorder Implicates the MARK2 and VAC14 Genes
Front Neurosci, 13, 220
DOI 10.3389/fnins.2019.00220, PubMed 30930738

Frei O, Holland D, Smeland OB, Shadrin AA, Fan CC, Maeland S, O'Connell KS, Wang Y, Djurovic S, Thompson WK, Andreassen OA, Dale AM (2019)
Bivariate causal mixture model quantifies polygenic overlap between complex traits beyond genetic correlation
Nat Commun, 10 (1), 2417
DOI 10.1038/s41467-019-10310-0, PubMed 31160569

Kaufmann T, van der Meer D, Doan NT, Schwarz E, Lund MJ, Agartz I, Alnæs D, Barch DM, Baur-Streubel R, Bertolino A, Bettella F, Beyer MK, Bøen E, Borgwardt S, Brandt CL, Buitelaar J, Celius EG, Cervenka S, Conzelmann A, Córdova-Palomera A, Dale AM, de Quervain DJF, Di Carlo P, Djurovic S, Dørum ES et al. (2019)
Common brain disorders are associated with heritable patterns of apparent aging of the brain
Nat Neurosci, 22 (10), 1617-1623
DOI 10.1038/s41593-019-0471-7, PubMed 31551603

Mullins N, Bigdeli TB, Børglum AD, Coleman JRI, Demontis D, Mehta D, Power RA, Ripke S, Stahl EA, Starnawska A, Anjorin A, M.R.C.Psych, Corvin A, Sanders AR, Forstner AJ, Reif A, Koller AC, Świątkowska B, Baune BT, Müller-Myhsok B, Penninx BWJH, Pato C, Zai C, Rujescu D, Hougaard DM et al. (2019)
GWAS of Suicide Attempt in Psychiatric Disorders and Association With Major Depression Polygenic Risk Scores
Am J Psychiatry, 176 (8), 651-660
DOI 10.1176/appi.ajp.2019.18080957, PubMed 31164008

O'Connell KS, Shadrin A, Bahrami S, Smeland OB, Bettella F, Frei O, Krull F, Askeland RB, Walters GB, Davíðsdóttir K, Haraldsdóttir GS, Guðmundsson ÓÓ, Stefánsson H, Fan CC, Steen NE, Reichborn-Kjennerud T, Dale AM, Stefánsson K, Djurovic S, Andreassen OA (2019)
Identification of genetic overlap and novel risk loci for attention-deficit/hyperactivity disorder and bipolar disorder
Mol Psychiatry, 26 (8), 4055-4065
DOI 10.1038/s41380-019-0613-z, PubMed 31792363

O'Connell KS, Shadrin A, Smeland OB, Bahrami S, Frei O, Bettella F, Krull F, Fan CC, Askeland RB, Knudsen GPS, Halmøy A, Steen NE, Ueland T, Walters GB, Davíðsdóttir K, Haraldsdóttir GS, Guðmundsson ÓÓ, Stefánsson H, Reichborn-Kjennerud T, Haavik J, Dale AM, Stefánsson K, Djurovic S, Andreassen OA (2019)
Identification of Genetic Loci Shared Between Attention-Deficit/Hyperactivity Disorder, Intelligence, and Educational Attainment
Biol Psychiatry, 87 (12), 1052-1062
DOI 10.1016/j.biopsych.2019.11.015, PubMed 32061372

Smeland OB, Bahrami S, Frei O, Shadrin A, O'Connell K, Savage J, Watanabe K, Krull F, Bettella F, Steen NE, Ueland T, Posthuma D, Djurovic S, Dale AM, Andreassen OA (2019)
Genome-wide analysis reveals extensive genetic overlap between schizophrenia, bipolar disorder, and intelligence
Mol Psychiatry, 25 (4), 844-853
DOI 10.1038/s41380-018-0332-x, PubMed 30610197

Smeland OB, Frei O, Fan CC, Shadrin A, Dale AM, Andreassen OA (2019)
The emerging pattern of shared polygenic architecture of psychiatric disorders, conceptual and methodological challenges
Psychiatr Genet, 29 (5), 152-159
DOI 10.1097/YPG.0000000000000234, PubMed 31464996

Smeland OB, Frei O, Shadrin A, O'Connell K, Fan CC, Bahrami S, Holland D, Djurovic S, Thompson WK, Dale AM, Andreassen OA (2019)
Discovery of shared genomic loci using the conditional false discovery rate approach
Hum Genet, 139 (1), 85-94
DOI 10.1007/s00439-019-02060-2, PubMed 31520123

Stahl EA, Breen G, Forstner AJ, McQuillin A, Ripke S, Trubetskoy V, Mattheisen M, Wang Y, Coleman JRI, Gaspar HA, de Leeuw CA, Steinberg S, Pavlides JMW, Trzaskowski M, Byrne EM, Pers TH, Holmans PA, Richards AL, Abbott L, Agerbo E, Akil H, Albani D, Alliey-Rodriguez N, Als TD, Anjorin A et al. (2019)
Genome-wide association study identifies 30 loci associated with bipolar disorder
Nat Genet, 51 (5), 793-803
DOI 10.1038/s41588-019-0397-8, PubMed 31043756

Steen NE, Dieset I, Hope S, Vedal TSJ, Smeland OB, Matson W, Kaddurah-Daouk R, Agartz I, Melle I, Djurovic S, Jönsson EG, Bogdanov M, Andreassen OA (2019)
Metabolic dysfunctions in the kynurenine pathway, noradrenergic and purine metabolism in schizophrenia and bipolar disorders
Psychol Med, 50 (4), 595-606
DOI 10.1017/S0033291719000400, PubMed 30867076

Publications 2018

Bettella F, Brown AA, Smeland OB, Wang Y, Witoelar A, Buil Demur AA, Thompson WK, Zuber V, Dale AM, Djurovic S, Andreassen OA (2018)
Cross-tissue eQTL enrichment of associations in schizophrenia
PLoS One, 13 (9), e0202812
DOI 10.1371/journal.pone.0202812, PubMed 30188921

Fan CC, Smeland OB, Schork AJ, Chen CH, Holland D, Lo MT, Sundar VS, Frei O, Jernigan TL, Andreassen OA, Dale AM (2018)
Beyond heritability: improving discoverability in imaging genetics
Hum Mol Genet, 27 (R1), R22-R28
DOI 10.1093/hmg/ddy082, PubMed 29522091

Karch CM, Wen N, Fan CC, Yokoyama JS, Kouri N, Ross OA, Höglinger G, Müller U, Ferrari R, Hardy J, Schellenberg GD, Sleiman PM, Momeni P, Hess CP, Miller BL, Sharma M, Van Deerlin V, Smeland OB, Andreassen OA, Dale AM, Desikan RS, International Frontotemporal Dementia (FTD)–Genomics Consortium, International Collaboration for Frontotemporal Dementia, Progressive Supranuclear Palsy (PSP) Genetics Consortium, and International Parkinson’s Disease Genomics Consortium (2018)
Selective Genetic Overlap Between Amyotrophic Lateral Sclerosis and Diseases of the Frontotemporal Dementia Spectrum
JAMA Neurol, 75 (7), 860-875
DOI 10.1001/jamaneurol.2018.0372, PubMed 29630712

Savage JE, Jansen PR, Stringer S, Watanabe K, Bryois J, de Leeuw CA, Nagel M, Awasthi S, Barr PB, Coleman JRI, Grasby KL, Hammerschlag AR, Kaminski JA, Karlsson R, Krapohl E, Lam M, Nygaard M, Reynolds CA, Trampush JW, Young H, Zabaneh D, Hägg S, Hansell NK, Karlsson IK, Linnarsson S et al. (2018)
Genome-wide association meta-analysis in 269,867 individuals identifies new genetic and functional links to intelligence
Nat Genet, 50 (7), 912-919
DOI 10.1038/s41588-018-0152-6, PubMed 29942086

Smeland OB, Andreassen OA (2018)
How can genetics help understand the relationship between cognitive dysfunction and schizophrenia?
Scand J Psychol, 59 (1), 26-31
DOI 10.1111/sjop.12407, PubMed 29356008

Smeland OB, Wang Y, Frei O, Li W, Hibar DP, Franke B, Bettella F, Witoelar A, Djurovic S, Chen CH, Thompson PM, Dale AM, Andreassen OA (2018)
Genetic Overlap Between Schizophrenia and Volumes of Hippocampus, Putamen, and Intracranial Volume Indicates Shared Molecular Genetic Mechanisms
Schizophr Bull, 44 (4), 854-864
DOI 10.1093/schbul/sbx148, PubMed 29136250

Srinivasan S, Bettella F, Frei O, Hill WD, Wang Y, Witoelar A, Schork AJ, Thompson WK, Davies G, Desikan RS, Deary IJ, Melle I, Ueland T, Dale AM, Djurovic S, Smeland OB, Andreassen OA (2018)
Enrichment of genetic markers of recent human evolution in educational and cognitive traits
Sci Rep, 8 (1), 12585
DOI 10.1038/s41598-018-30387-9, PubMed 30135563

van der Meer D, Rokicki J, Kaufmann T, Córdova-Palomera A, Moberget T, Alnæs D, Bettella F, Frei O, Doan NT, Sønderby IE, Smeland OB, Agartz I, Bertolino A, Bralten J, Brandt CL, Buitelaar JK, Djurovic S, van Donkelaar M, Dørum ES, Espeseth T, Faraone SV, Fernández G, Fisher SE, Franke B, Haatveit B et al. (2018)
Brain scans from 21,297 individuals reveal the genetic architecture of hippocampal subfield volumes
Mol Psychiatry, 25 (11), 3053-3065
DOI 10.1038/s41380-018-0262-7, PubMed 30279459

Zuber V, Jönsson EG, Frei O, Witoelar A, Thompson WK, Schork AJ, Bettella F, Wang Y, Djurovic S, Smeland OB, Dieset I, Fanous AH, Desikan RS, Küry S, Bézieau S, Dale AM, Mills IG, Andreassen OA (2018)
Identification of shared genetic variants between schizophrenia and lung cancer
Sci Rep, 8 (1), 674
DOI 10.1038/s41598-017-16481-4, PubMed 29330379

Publications 2017

Chen CH, Wang Y, Lo MT, Schork A, Fan CC, Holland D, Kauppi K, Smeland OB, Djurovic S, Sanyal N, Hibar DP, Thompson PM, Thompson WK, Andreassen OA, Dale AM (2017)
Leveraging genome characteristics to improve gene discovery for putamen subcortical brain structure
Sci Rep, 7 (1), 15736
DOI 10.1038/s41598-017-15705-x, PubMed 29147026

Devor A, Andreassen OA, Wang Y, Mäki-Marttunen T, Smeland OB, Fan CC, Schork AJ, Holland D, Thompson WK, Witoelar A, Chen CH, Desikan RS, McEvoy LK, Djurovic S, Greengard P, Svenningsson P, Einevoll GT, Dale AM (2017)
Genetic evidence for role of integration of fast and slow neurotransmission in schizophrenia
Mol Psychiatry, 22 (6), 792-801
DOI 10.1038/mp.2017.33, PubMed 28348379

Lo MT, Wang Y, Kauppi K, Sanyal N, Fan CC, Smeland OB, Schork A, Holland D, Hinds DA, Tung JY, Andreassen OA, Dale AM, Chen CH (2017)
Modeling prior information of common genetic variants improves gene discovery for neuroticism
Hum Mol Genet, 26 (22), 4530-4539
DOI 10.1093/hmg/ddx340, PubMed 28973307

Shadrin AA, Smeland OB, Zayats T, Schork AJ, Frei O, Bettella F, Witoelar A, Li W, Eriksen JA, Krull F, Djurovic S, Faraone SV, Reichborn-Kjennerud T, Thompson WK, Johansson S, Haavik J, Dale AM, Wang Y, Andreassen OA (2017)
Novel Loci Associated With Attention-Deficit/Hyperactivity Disorder Are Revealed by Leveraging Polygenic Overlap With Educational Attainment
J Am Acad Child Adolesc Psychiatry, 57 (2), 86-95
DOI 10.1016/j.jaac.2017.11.013, PubMed 29413154

Smeland OB, Frei O, Kauppi K, Hill WD, Li W, Wang Y, Krull F, Bettella F, Eriksen JA, Witoelar A, Davies G, Fan CC, Thompson WK, Lam M, Lencz T, Chen CH, Ueland T, Jönsson EG, Djurovic S, Deary IJ, Dale AM, Andreassen OA, NeuroCHARGE (Cohorts for Heart and Aging Research in Genomic Epidemiology) Cognitive Working Group (2017)
Identification of Genetic Loci Jointly Influencing Schizophrenia Risk and the Cognitive Traits of Verbal-Numerical Reasoning, Reaction Time, and General Cognitive Function
JAMA Psychiatry, 74 (10), 1065-1075
DOI 10.1001/jamapsychiatry.2017.1986, PubMed 28746715

Smeland OB, Wang Y, Lo MT, Li W, Frei O, Witoelar A, Tesli M, Hinds DA, Tung JY, Djurovic S, Chen CH, Dale AM, Andreassen OA (2017)
Identification of genetic loci shared between schizophrenia and the Big Five personality traits
Sci Rep, 7 (1), 2222
DOI 10.1038/s41598-017-02346-3, PubMed 28533504

Aas M, Melle I, Bettella F, Djurovic S, Le Hellard S, Bjella T, Ringen PA, Lagerberg TV, Smeland OB, Agartz I, Andreassen OA, Tesli M (2017)
Psychotic patients who used cannabis frequently before illness onset have higher genetic predisposition to schizophrenia than those who did not
Psychol Med, 48 (1), 43-49
DOI 10.1017/S0033291717001209, PubMed 28967348

Publications 2016

Lo MT, Hinds DA, Tung JY, Franz C, Fan CC, Wang Y, Smeland OB, Schork A, Holland D, Kauppi K, Sanyal N, Escott-Price V, Smith DJ, O'Donovan M, Stefansson H, Bjornsdottir G, Thorgeirsson TE, Stefansson K, McEvoy LK, Dale AM, Andreassen OA, Chen CH (2016)
Genome-wide analyses for personality traits identify six genomic loci and show correlations with psychiatric disorders
Nat Genet, 49 (1), 152-156
DOI 10.1038/ng.3736, PubMed 27918536

Publications 2015

Hadera MG, McDonald T, Smeland OB, Meisingset TW, Eloqayli H, Jaradat S, Borges K, Sonnewald U (2015)
Modification of Astrocyte Metabolism as an Approach to the Treatment of Epilepsy: Triheptanoin and Acetyl-L-Carnitine
Neurochem Res, 41 (1-2), 86-95
DOI 10.1007/s11064-015-1728-5, PubMed 26433381

Publications 2013

Hadera MG, Smeland OB, McDonald TS, Tan KN, Sonnewald U, Borges K (2013)
Triheptanoin partially restores levels of tricarboxylic acid cycle intermediates in the mouse pilocarpine model of epilepsy
J Neurochem, 129 (1), 107-19
DOI 10.1111/jnc.12610, PubMed 24236946

Smeland OB, Hadera MG, McDonald TS, Sonnewald U, Borges K (2013)
Brain mitochondrial metabolic dysfunction and glutamate level reduction in the pilocarpine model of temporal lobe epilepsy in mice
J Cereb Blood Flow Metab, 33 (7), 1090-7
DOI 10.1038/jcbfm.2013.54, PubMed 23611869

Publications 2012

Smeland OB, Meisingset TW, Borges K, Sonnewald U (2012)
Chronic acetyl-L-carnitine alters brain energy metabolism and increases noradrenaline and serotonin content in healthy mice
Neurochem Int, 61 (1), 100-7
DOI 10.1016/j.neuint.2012.04.008, PubMed 22549035

Smeland OB, Meisingset TW, Sonnewald U (2012)
Dietary supplementation with acetyl-l-carnitine in seizure treatment of pentylenetetrazole kindled mice
Neurochem Int, 61 (4), 444-54
DOI 10.1016/j.neuint.2012.06.008, PubMed 22709675

Publications 2010

Walls AB, Eyjolfsson EM, Smeland OB, Nilsen LH, Schousboe I, Schousboe A, Sonnewald U, Waagepetersen HS (2010)
Knockout of GAD65 has major impact on synaptic GABA synthesized from astrocyte-derived glutamine
J Cereb Blood Flow Metab, 31 (2), 494-503
DOI 10.1038/jcbfm.2010.115, PubMed 20664610