Nils Eiel Steen
Associate Professor
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NORMENT part UiO

Norwegian version of this page
Email
n.e.steen@medisin.uio.no
Username
Visiting address
Oslo Universitetssykehus HF - Ullevål
Avdeling for psykoseforskning
Bygg 49
0424 Oslo
Postal address
OUS, Postboks 4956 Nydalen
0424 OSLO
Publications
- Akkouh, Ibrahim; Ueland, Thor; Hansson, Lars; Inderhaug, Elin; Hughes, Timothy; Steen, Nils Eiel; Aukrust, Pål; Andreassen, Ole Andreas; Szabo, Attila & Djurovic, Srdjan (2020). Decreased IL-1β-induced CCL20 response in human iPSC-astrocytes in schizophrenia: Potential attenuating effects on recruitment of regulatory T cells. Brain, behavior, and immunity. ISSN 0889-1591. 87, s 634- 644 . doi: 10.1016/j.bbi.2020.02.008 Full text in Research Archive.
- Bahrami, Shahram; Steen, Nils Eiel; Shadrin, Alexey A.; O`Connell, Kevin; Frei, Oleksandr; Bettella, Francesco; Wirgenes, Katrine Verena; Krull, Florian; Fan, Chun C.; Dale, Anders; Smeland, Olav Bjerkehagen; Djurovic, Srdjan & Andreassen, Ole Andreas (2020). Shared genetic loci between body mass index and major psychiatric disorders: A genome-wide association study. JAMA psychiatry. ISSN 2168-6238. 77(5), s 503- 512 . doi: 10.1001/jamapsychiatry.2019.4188
- Benjamin, Silje Beatrice Rognås; Valstad, Mathias; Elvsåshagen, Torbjørn; Jönsson, Erik Gunnar; Moberget, Torgeir; Winterton, Adriano; Haram, Marit; Høegh, Margrethe Collier; Lagerberg, Trine Vik; Steen, Nils Eiel; Larsen, Lars; Andreassen, Ole Andreas; Westlye, Lars Tjelta & Quintana, Daniel (2020). Heart rate variability is associated with disease severity in psychosis spectrum disorders. Progress in Neuro-psychopharmacology and Biological Psychiatry. ISSN 0278-5846. 00:110108, s 1- 8 . doi: 10.1016/j.pnpbp.2020.110108 Full text in Research Archive.
- Hjell, Gabriela; Mørch-Johnsen, Lynn; Holst, René; Tesli, Natalia; Bell, Christina; Lunding, Synve Hoffart; Rødevand, Linn Nilsen; Werner, Maren Caroline Frogner; Melle, Ingrid; Andreassen, Ole Andreas; Lagerberg, Trine Vik; Steen, Nils Eiel & Haukvik, Unn Kristin H. (2020). Disentangling the relationship between cholesterol, aggression, and impulsivity in severe mental disorders. Brain and Behavior. ISSN 2162-3279. . doi: 10.1002/brb3.1751 Full text in Research Archive.
- Hjelseng, Ingrid Varvin; Vaskinn, Anja; Ueland, Torill; Lunding, Synve Hoffart; Reponen, Elina Johanna; Steen, Nils Eiel; Andreassen, Ole Andreas & Aas, Monica (2020). Childhood Trauma Is Associated With Poorer Social Functioning in Severe Mental Disorders Both During an Active Illness Phase and in Remission. Schizophrenia Research. ISSN 0920-9964. . doi: 10.1016/j.schres.2020.03.015
- Hope, Sigrun; Nærland, Terje; Høyland, Anne Lise; Torske, Tonje; Malt, Eva; Abrahamsen, Tore G; Nerhus, Mari; Wedervang-Resell, Kirsten; Lonning, Vera Louise Hiorth; Johannessen, Jarle; Steen, Nils Eiel; Agartz, Ingrid; Stenberg, Nina; Hundhausen, Thomas Eckhard; Mørkrid, Lars & Andreassen, Ole Andreas (2020). Higher vitamin B12 levels in neurodevelopmental disorders than in healthy controls and schizophrenia A comparison among participants between 2 and 53 years. The FASEB Journal. ISSN 0892-6638. 34(6), s 8114- 8124 . doi: 10.1096/fj.201900855RRR
- Reponen, Elina Johanna; Dieset, Ingrid; Tesli, Martin Steen; Mørch, Ragni Helene; Aas, Monica; Vedal, Trude Seselie Jahr; Haug, Elisabeth; Drange, Ole Kristian; Steen, Nils Eiel; Hope, Sigrun; Szabo, Attila; Gohar, Sherif Mostafa Mohamed Ahmed; Wedervang-Resell, Kirsten; Djurovic, Srdjan; Melle, Ingrid; Aukrust, Pål; Andreassen, Ole Andreas & Ueland, Thor (2020). Atherogenic lipid ratios related to myeloperoxidase and C-reactive protein levels in psychotic disorders. Frontiers in Psychiatry. ISSN 1664-0640. 11 . doi: 10.3389/fpsyt.2020.00672 Full text in Research Archive. Show summary
- 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 (2020). Indicated association between polygenic risk score and treatment-resistance in a naturalistic sample of patients with schizophrenia spectrum disorders. Schizophrenia Research. ISSN 0920-9964. 218, s 55- 62 . doi: 10.1016/j.schres.2020.03.006 Full text in Research Archive.
- Winterton, Adriano; Rødevand, Linn; Westlye, Lars Tjelta; Steen, Nils Eiel; Andreassen, Ole Andreas & Quintana, Daniel (2020). Associations of loneliness and social isolation with cardiovascular and metabolic health: A systematic review and meta-analysis protocol. Systematic Reviews. ISSN 2046-4053. 9(1) . doi: 10.1186/s13643-020-01369-8 Full text in Research Archive.
- Winterton, Adriano; Westlye, Lars Tjelta; Steen, Nils Eiel; Andreassen, Ole Andreas & Quintana, Daniel (2020). Improving the precision of intranasal oxytocin research. Nature Human Behaviour. ISSN 2397-3374. s 1- 10 . doi: 10.1038/s41562-020-00996-4
- Aas, Monica; Elvsåshagen, Torbjørn; Westlye, Lars Tjelta; Kaufmann, Tobias; Athanasiu, Lavinia; Djurovic, Srdjan; Melle, Ingrid; van der Meer, Dennis; Martin-Ruiz, Carmen; Steen, Nils Eiel; Agartz, Ingrid & Andreassen, Ole Andreas (2019). Telomere length is associated with childhood trauma in patients with severe mental disorders. Translational Psychiatry. ISSN 2158-3188. 9 . doi: 10.1038/s41398-019-0432-7 Full text in Research Archive.
- Aas, Monica; Pizzagalli, Diego A.; Anderssen, Jannicke Fjæra; Reponen, Elina Johanna; Ueland, Torill; Melle, Ingrid; Agartz, Ingrid; Steen, Nils Eiel & Andreassen, Ole Andreas (2019). Elevated hair cortisol is associated with childhood maltreatment and cognitive impairment in schizophrenia and in bipolar disorders. Schizophrenia Research. ISSN 0920-9964. . doi: 10.1016/j.schres.2019.01.011 Full text in Research Archive.
- Gjerde, Priyanthi Borgen; Simonsen, Carmen Elisabeth; Lagerberg, Trine Vik; Steen, Nils Eiel; Ueland, Torill; Andreassen, Ole Andreas; Steen, Vidar Martin & Melle, Ingrid (2019). 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. European Archives of Psychiatry and Clinical Neuroscience. ISSN 0940-1334. s 1- 10 . doi: 10.1007/s00406-019-01017-w Full text in Research Archive.
- Gohar, Sherif Mostafa Mohamed Ahmed; Dieset, Ingrid; Steen, Nils Eiel; Mørch, Ragni Helene; Vedal, Trude Seselie Jahr; Reponen, Elina Johanna; Steen, Vidar Martin; Andreassen, Ole Andreas & Melle, Ingrid (2019). Association between leptin levels and severity of suicidal behaviour in schizophrenia spectrum disorders. Acta Psychiatrica Scandinavica. ISSN 0001-690X. 139(5), s 464- 471 . doi: 10.1111/acps.13019 Full text in Research Archive.
- 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 M.; Stefánsson, Kári; Djurovic, Srdjan & Andreassen, Ole Andreas (2019). Identification of genetic overlap and novel risk loci for attention-deficit/hyperactivity disorder and bipolar disorder. Molecular Psychiatry. ISSN 1359-4184. s 1- 11 . doi: 10.1038/s41380-019-0613-z Full text in Research Archive. Show summary
- 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, G. 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 (2019). Identification of genetic loci shared between ADHD, intelligence and educational attainment. Biological Psychiatry. ISSN 0006-3223. . doi: 10.1016/j.biopsych.2019.11.015 Full text in Research Archive.
- Ringen, Petter Andreas; Reponen, Elina Johanna; Vedal, Trude Seselie Jahr; Andreassen, Ole Andreas; Steen, Nils Eiel & Melle, Ingrid (2019). Predictors for antipsychotic dosage change in the first year of treatment in schizophrenia spectrum and bipolar disorders. Frontiers in Psychiatry. ISSN 1664-0640. 10:649, s 1- 8 . doi: 10.3389/fpsyt.2019.00649 Full text in Research Archive.
- Rødevand, Linn; Steen, Nils Eiel; Elvsåshagen, Torbjørn; Quintana, Daniel; Reponen, Elina Johanna; Mørch, Ragni Helene; Lunding, Synve Hoffart; Vedal, Trude Seselie Jahr; Dieset, Ingrid; Melle, Ingrid; Lagerberg, Trine Vik & Andreassen, Ole Andreas (2019). Cardiovascular risk remains high in schizophrenia with modest improvements in bipolar disorder during past decade. Acta Psychiatrica Scandinavica. ISSN 0001-690X. 139(4), s 348- 360 . doi: 10.1111/acps.13008 Show summary
- Scott, Jan; Hidalgo-Mazzei, Diego; Strawbridge, Rebecca; Young, Allan; Resche-Rigon, Matthieu; Etain, Bruno; Andreassen, Ole Andreas; Bauer, Michael; Bennabi, Djamila; Blamire, Andrew M.; Boumezbeur, Fawzi; Brambilla, Paolo; Cattane, Nadia; Cattaneo, Annamaria; Chupin, Marie; Coello, Klara; Cointepas, Yann; Colom, Francesc; Cousins, David A.; Dubertret, Caroline; Duchesnay, Edouard; Ferro, Adele; Garcia-Estela, Aitana; Goikolea, Jose; Grigis, Antoine; Haffen, Emmanuel; Høegh, Margrethe Collier; Jakobsen, Petter; Kalman, Janos L.; Kessing, Lars V.; Klohn-Saghatolislam, Farah; Lagerberg, Trine Vik; Landén, Mikael; Lewitzka, Ute; Lutticke, Ashley; Mazer, Nicolas; Mazzelli, Monica; Mora, Cristina; Muller, Thorsten; Mur-Mila, Estanislao; Ødegaard, Ketil Joachim; Oltedal, Leif; Pålsson, Erik; Papadopoulos Orfanos, Dimitri; Papiol, Sergi; Perez-Sola, Victor; Reif, Andreas; Ritter, Philipp; Rossi, Roberto; Schulze, Thomas; Senner, Fanny; Smith, Fiona E.; Squarcina, Letizia; Steen, Nils Eiel; Thelwall, Pete E.; Varo, Cristina; Vieta, Eduard; Vinberg, Maj; Wessa, Michele; Westlye, Lars Tjelta & Bellivier, Frank (2019). Prospective cohort study of early biosignatures of response to lithium in bipolar-I-disorders: overview of the H2020-funded R-LiNK initiative. International journal of bipolar disorders. ISSN 2194-7511. 7(1), s 1- 10 . doi: 10.1186/s40345-019-0156-x Full text in Research Archive.
- 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 (2019). Genome-wide analysis reveals extensive genetic overlap between schizophrenia, bipolar disorder, and intelligence. Molecular Psychiatry. ISSN 1359-4184. s 1- 10 . doi: 10.1038/s41380-018-0332-x Full text in Research Archive.
- Steen, Nils Eiel; Dieset, Ingrid; Hope, Sigrun; Vedal, Trude Seselie Jahr; Smeland, Olav Bjerkehagen; Matson, Wayne; Kaddurah-Daouk, Rima; Agartz, Ingrid; Melle, Ingrid; Djurovic, Srdjan; Jönsson, Erik Gunnar; Bogdanov, Mikhail & Andreassen, Ole Andreas (2019). Metabolic dysfunctions in the kynurenine pathway, noradrenergic and purine metabolism in schizophrenia and bipolar disorders. Psychological Medicine. ISSN 0033-2917. 17(2) . doi: 10.1017/S0033291719000400 Full text in Research Archive.
- Vedal, Trude Seselie Jahr; Steen, Nils Eiel; Birkeland, Kåre I.; Dieset, Ingrid; Reponen, Elina Johanna; Anderssen, Jannicke Fjæra; Rødevand, Linn; Melle, Ingrid; Andreassen, Ole Andreas; Molden, Espen & Jönsson, Erik Gunnar (2019). Adipokine levels are associated with insulin resistance in antipsychotics users independently of BMI. Psychoneuroendocrinology. ISSN 0306-4530. 103, s 87- 95 . doi: 10.1016/j.psyneuen.2019.01.001 Full text in Research Archive.
- Aas, Monica; Dieset, Ingrid; Mørch, Ragni Helene; Steen, Nils Eiel; Hope, Sigrun; Reponen, Elina Johanna; Anderssen, Jannicke Fjæra; Ueland, Thor; Aukrust, Pål; Melle, Ingrid; Agartz, Ingrid & Andreassen, Ole Andreas (2018). Reduced brain-derived neurotrophic factor is associated with childhood trauma experiences and number of depressive episodes in severe mental disorders. Schizophrenia Research. ISSN 0920-9964. . doi: 10.1016/j.schres.2018.08.007 Full text in Research Archive.
- Aas, Monica; Djurovic, Srdjan; Ueland, Torill; Mørch, Ragni Helene; Anderssen, Jannicke Fjæra; Reponen, Elina Johanna; Cattaneo, Annamaria; Steen, Nils Eiel; Agartz, Ingrid; Melle, Ingrid & Andreassen, Ole Andreas (2018). The relationship between physical activity, clinical and cognitive characteristics and BDNF mRNA levels in patients with severe mental disorders. World Journal of Biological Psychiatry. ISSN 1562-2975. . doi: 10.1080/15622975.2018.1557345
- Fjukstad, Katrine Kveli; Engum, Anne; Lydersen, Stian; Dieset, Ingrid; Steen, Nils Eiel; Andreassen, Ole Andreas & Spigset, Olav (2018). Metabolic risk factors in schizophrenia and bipolar disorder: The effect of comedication with selective serotonin reuptake inhibitors and antipsychotics. European psychiatry. ISSN 0924-9338. 48, s 71- 78 . doi: 10.1016/j.eurpsy.2017.04.001
- Gjerde, Priyanthi Borgen; Jørgensen, Kjetil Nordbø; Steen, Nils Eiel; Melle, Ingrid; Andreassen, Ole Andreas; Steen, Vidar Martin & Agartz, Ingrid (2018). Association between olanzapine treatment and brain cortical thickness and gray/white matter contrast is moderated by cholesterol in psychotic disorders. Psychiatry Research : Neuroimaging. ISSN 0925-4927. 282, s 55- 63 . doi: 10.1016/j.pscychresns.2018.10.001
- Gohar, Sherif Mostafa Mohamed Ahmed; Dieset, Ingrid; Steen, Nils Eiel; Mørch, Ragni Helene; Vedal, Trude Seselie Jahr; Steen, Vidar Martin; Andreassen, Ole Andreas & Melle, Ingrid (2018). Association between serum lipid levels, osteoprotegerin and depressive symptomatology in psychotic disorders. European Archives of Psychiatry and Clinical Neuroscience. ISSN 0940-1334. 269(7), s 795- 802 . doi: 10.1007/s00406-018-0897-z Full text in Research Archive.
- Hoseth, Eva Zsuzsanna; Krull, Florian; Dieset, Ingrid; Mørch, Ragni Helene; Hope, Sigrun; Gardsjord, Erlend Strand; Steen, Nils Eiel; Melle, Ingrid; Brattbakk, Hans-Richard; Steen, Vidar Martin; Aukrust, Pål; Djurovic, Srdjan; Andreassen, Ole Andreas & Ueland, Thor (2018). Attenuated Notch signaling in schizophrenia and bipolar disorder. Scientific Reports. ISSN 2045-2322. 8:5349, s 1- 8 . doi: 10.1038/s41598-018-23703-w Full text in Research Archive.
- Hoseth, Eva Zsuzsanna; Krull, Florian; Dieset, Ingrid; Mørch, Ragni Helene; Hope, Sigrun; Gardsjord, Erlend Strand; Steen, Nils Eiel; Melle, Ingrid; Brattbakk, Hans-Richard; Steen, Vidar Martin; Aukrust, Pål; Djurovic, Srdjan; Andreassen, Ole Andreas & Ueland, Thor (2018). Exploring the Wnt signaling pathway in schizophrenia and bipolar disorder. Translational Psychiatry. ISSN 2158-3188. 8:55, s 1- 10 . doi: 10.1038/s41398-018-0102-1 Full text in Research Archive.
- Iversen, Trude Seselie Jahr; Steen, Nils Eiel; Dieset, Ingrid; Hope, Sigrun; Mørch, Ragni Helene; Gardsjord, Erlend Strand; Jørgensen, Kjetil Nordbø; Melle, Ingrid; Andreassen, Ole Andreas; Molden, Espen & Jönsson, Erik Gunnar (2018). Side effect burden of antipsychotic drugs in real life - Impact of gender and polypharmacy. Progress in Neuro-psychopharmacology and Biological Psychiatry. ISSN 0278-5846. 82, s 263- 271 . doi: 10.1016/j.pnpbp.2017.11.004
- Vedal, Trude Seselie Jahr; Steen, Nils Eiel; Birkeland, Kåre I.; Dieset, Ingrid; Reponen, Elina Johanna; Anderssen, Jannicke Fjæra; Rødevand, Linn; Melle, Ingrid; Andreassen, Ole Andreas; Molden, Espen & Jönsson, Erik Gunnar (2018). Free thyroxine and thyroid-stimulating hormone in severe mental disorders: A naturalistic study with focus on antipsychotic medication. Journal of Psychiatric Research. ISSN 0022-3956. 106, s 74- 81 . doi: 10.1016/j.jpsychires.2018.09.014
- Aas, Monica; Dieset, Ingrid; Hope, Sigrun; Hoseth, Eva Zsuzsanna; Mørch, Ragni Helene; Reponen, Elina Johanna; Steen, Nils Eiel; Anderssen, Jannicke Fjæra; Ueland, Thor; Aukrust, Pål; Agartz, Ingrid; Andreassen, Ole Andreas & Melle, Ingrid (2017). Childhood maltreatment severity is associated with elevated C-reactive protein and body mass index in adults with schizophrenia and bipolar diagnoses. Brain, behavior, and immunity. ISSN 0889-1591. 65, s 342- 349 . doi: 10.1016/j.bbi.2017.06.005 Full text in Research Archive.
- Aas, Monica; Kauppi, Karolina; Brandt, Christine Lycke; Tesli, Martin Steen; Kaufmann, Tobias; Steen, Nils Eiel; Agartz, Ingrid; Westlye, Lars Tjelta; Andreassen, Ole Andreas & Melle, Ingrid (2017). Childhood trauma is associated with increased brain responses to emotionally negative as compared with positive faces in patients with psychotic disorders. Psychological Medicine. ISSN 0033-2917. 47(4), s 669- 679 . doi: 10.1017/S0033291716002762
- Fjukstad, Katrine Kveli; Engum, Anne; Lydersen, Stian; Dieset, Ingrid; Steen, Nils Eiel; Andreassen, Ole Andreas & Spigset, Olav (2016). Metabolic abnormalities related to treatment with selective serotonin reuptake inhibitors in patients with schizophrenia or bipolar disorder.. Journal of Clinical Psychopharmacology. ISSN 0271-0749. 36(6), s 615- 620 . doi: 10.1097/JCP.0000000000000582
- Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid; Ueland, Torill; Spigset, Olav & Andreassen, Ole Andreas (2016). Serum levels of second-generation antipsychotics are associated with cognitive function in psychotic disorders. World Journal of Biological Psychiatry. ISSN 1562-2975. 18(6), s 471- 482 . doi: 10.1080/15622975.2016.1245441
- Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid; Vaskinn, Anja; Spigset, Olav & Andreassen, Ole Andreas (2016). Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting. International journal of bipolar disorders. ISSN 2194-7511. 4(24) . doi: 10.1186/s40345-016-0067-z Full text in Research Archive.
- Tesli, Martin Steen; Wirgenes, Katrine Verena; Hughes, Timothy; Bettella, Francesco; Athanasiu, Lavinia; Hoseth, Eva Zsuzsanna; Nerhus, Mari; Lagerberg, Trine Vik; Steen, Nils Eiel; Agartz, Ingrid; Melle, Ingrid; Dieset, Ingrid; Djurovic, Srdjan & Andreassen, Ole Andreas (2016). VRK2 gene expression in schizophrenia, bipolar disorder and healthy controls. British Journal of Psychiatry. ISSN 0007-1250. 209(2), s 114- 120 . doi: 10.1192/bjp.bp.115.161950
- Quintana, Daniel; Westlye, Lars Tjelta; Kaufmann, Tobias; Rustan, Øyvind; Brandt, Christine Lycke; Haatveit, Beathe Christin; Steen, Nils Eiel & Andreassen, Ole Andreas (2015). Reduced heart rate variability in schizophrenia and bipolar disorder compared to healthy controls. Acta Psychiatrica Scandinavica. ISSN 0001-690X. 133(1), s 44- 52 . doi: 10.1111/acps.12498
- Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid; Vaskinn, Anja; Spigset, Olav & Andreassen, Ole Andreas (2015). Serum level of venlafaxine is associated with better memory in psychotic disorders. Schizophrenia Research. ISSN 0920-9964. 169(1-3), s 386- 392 . doi: 10.1016/j.schres.2015.10.021
- Haram, Marit; Tesli, Martin Steen; Dieset, Ingrid; Steen, Nils Eiel; Røssberg, Jan Ivar; Djurovic, Srdjan; Andreassen, Ole Andreas & Melle, Ingrid (2014). An attempt to identify single nucleotide polymorphisms contributing to possible relationships between personality traits and oxytocin-related genes. Neuropsychobiology. ISSN 0302-282X. 69(1), s 25- 30 . doi: 10.1159/000356965
- Steen, Nils Eiel; Methlie, Paal; Lorentzen, Steinar; Dieset, Ingrid; Aas, Monica; Nerhus, Mari; Haram, Marit; Agartz, Ingrid; Melle, Ingrid; Berg, Jens Petter & Andreassen, Ole Andreas (2014). Altered systemic cortisol metabolism in bipolar disorder and schizophrenia spectrum disorders. Journal of Psychiatric Research. ISSN 0022-3956. 52(1), s 57- 62 . doi: 10.1016/j.jpsychires.2014.01.017
- Aas, Monica; Haukvik, Unn Kristin H.; Djurovic, Srdjan; Bergmann, Ørjan; Athanasiu, Lavinia; Tesli, Martin Steen; Hellvin, Tone; Steen, Nils Eiel; Agartz, Ingrid; Lorentzen, Steinar; Sundet, Kjetil Søren; Andreassen, Ole Andreas & Melle, Ingrid (2013). BDNF val66met modulates the association between childhood trauma, cognitive and brain abnormalities in psychoses. Progress in Neuro-psychopharmacology and Biological Psychiatry. ISSN 0278-5846. 46, s 181- 188 . doi: 10.1016/j.pnpbp.2013.07.008
- Hope, Sigrun; Ueland, Thor; Steen, Nils Eiel; Dieset, Ingrid; Lorentzen, Steinar; Berg, Akiah Ottesen; Agartz, Ingrid; Aukrust, Pål & Andreassen, Ole Andreas (2013). Interleukin 1 receptor antagonist and soluble tumor necrosis factor receptor 1 are associated with general severity and psychotic symptoms in schizophrenia and bipolar disorder. Schizophrenia Research. ISSN 0920-9964. 145(1-3), s 36- 42 . doi: 10.1016/j.schres.2012.12.023
- Larsson, Sara; Aas, Monica; Klungsøyr, Ole; Agartz, Ingrid; Mork, Erlend; Steen, Nils Eiel; Barrett, Elizabeth Ann; Lagerberg, Trine Vik; Røssberg, Jan Ivar; Melle, Ingrid; Andreassen, Ole Andreas & Lorentzen, Steinar (2013). Patterns of childhood adverse events are associated with clinical characteristics of bipolar disorder. BMC Psychiatry. ISSN 1471-244X. 13 . doi: 10.1186/1471-244X-13-97
- Larsson, Sara; Andreassen, Ole Andreas; Aas, Monica; Røssberg, Jan Ivar; Mork, Erlend; Steen, Nils Eiel; Barrett, Elisabeth Ann; Lagerberg, Trine Vik; Peleikis, Dawn Elisabeth; Agartz, Ingrid; Melle, Ingrid & Lorentzen, Steinar (2013). High prevalence of childhood trauma in patients with schizophrenia spectrum and affective disorder. Comprehensive Psychiatry. ISSN 0010-440X. 54(2), s 123- 127 . doi: 10.1016/j.comppsych.2012.06.009
- Mork, Erlend; Walby, Fredrik A; Harkavy-Friedman, Jill M.; Barrett, Elizabeth Ann; Steen, Nils Eiel; Lorentzen, Steinar; Andreassen, Ole Andreas; Melle, Ingrid & Mehlum, Lars (2013). Clinical characteristics in schizophrenia patients with or without suicide attempts and non-suicidal self-harm - a cross-sectional study. BMC Psychiatry. ISSN 1471-244X. 13 . doi: 10.1186/1471-244X-13-255 Full text in Research Archive.
- Aas, Monica; Djurovic, Srdjan; Athanasiu, Lavinia; Steen, Nils Eiel; Agartz, Ingrid; Lorentzen, Steinar; Sundet, Kjetil Søren; Andreassen, Ole Andreas & Melle, Ingrid (2012). Serotonin Transporter Gene Polymorphism, Childhood Trauma, and Cognition in Patients With Psychotic Disorders. Schizophrenia Bulletin. ISSN 0586-7614. 38(1), s 15- 22 . doi: 10.1093/schbul/sbr113
- Aas, Monica; Steen, Nils Eiel; Agartz, Ingrid; Aminoff, Sofie Ragnhild; Lorentzen, Steinar; Sundet, Kjetil Søren; Andreassen, Ole Andreas & Melle, Ingrid (2012). Is cognitive impairment following early life stress in severe mental disorders based on specific or general cognitive functioning?. Psychiatry Research. ISSN 0165-1781. 198(3), s 495- 500 . doi: 10.1016/j.psychres.2011.12.045
- Hope, Sigrun; Dieset, Ingrid; Agartz, Ingrid; Steen, Nils Eiel; Ueland, Thor; Melle, Ingrid; Aukrust, Pål & Andreassen, Ole Andreas (2011). Affective symptoms are associated with markers of inflammation and immune activation in bipolar disorders but not in schizophrenia. Journal of Psychiatric Research. ISSN 0022-3956. 45(12), s 1608- 1616 . doi: 10.1016/j.jpsychires.2011.08.003
- Steen, Nils Eiel; Lorentzen, Steinar; Barrett, Elisabeth Ann; Lagerberg, Trine Vik; Hope, Sigrun; Larsson, Sara; Berg, Akiah Ottesen; Agartz, Ingrid; Melle, Ingrid; Berg, Jens Petter & Andreassen, Ole Andreas (2011). Sex-specific cortisol levels in bipolar disorder and schizophrenia during mental challenge - Relationship to clinical characteristics and medication. Progress in Neuro-psychopharmacology and Biological Psychiatry. ISSN 0278-5846. 35(4), s 1100- 1107 . doi: 10.1016/j.pnpbp.2011.03.008
- Steen, Nils Eiel; Methlie, Paal; Lorentzen, Steinar; Hope, Sigrun; Barrett, Elisabeth Ann; Larsson, Sara; Mork, Erlend; Almås, Bjørg; Løvås, Kristian; Agartz, Ingrid; Melle, Ingrid; Berg, Jens Petter & Andreassen, Ole Andreas (2011). Increased systemic cortisol metabolism in patients with schizophrenia and bipolar disorder: a mechanism for increased stress vulnerability?. Journal of Clinical Psychiatry. ISSN 0160-6689. 72(11), s 1515- 1521 . doi: 10.4088/JCP.10m06068yel
- Barrett, Elisabeth Ann; Sundet, Kjetil Søren; Færden, Ann; Agartz, Ingrid; Bratlien, Unni; Romm, Kristin Lie; Mork, Erlend; Røssberg, Jan Ivar; Steen, Nils Eiel; Andreassen, Ole Andreas & Melle, Ingrid (2010). Suicidality in first episode psychosis is associated with insight and negative beliefs about psychosis. Schizophrenia Research. ISSN 0920-9964. 123(2-3), s 257- 262 . doi: 10.1016/j.schres.2010.07.018
- Barrett, Elizabeth Ann; Sundet, Kjetil Søren; Færden, Ann; Nesvåg, Ragnar; Agartz, Ingrid; Fosse, Roar; Mork, Erlend; Steen, Nils Eiel; Andreassen, Ole Andreas & Melle, Ingrid (2010). Suicidality before and in the early phases of first episode psychosis. Schizophrenia Research. ISSN 0920-9964. 119(1-3), s 11- 17 . doi: 10.1016/j.schres.2010.03.022
- Hope, Sigrun; Melle, Ingrid; Aukrust, Pål; Agartz, Ingrid; Lorentzen, Steinar; Djurovic, Srdjan; Steen, Nils Eiel; Ueland, Thor & Andreassen, Ole Andreas (2010). Osteoprotegerin levels in patients with severe mental disorders. Journal of Psychiatry & Neuroscience. ISSN 1180-4882. 35(5), s 304- 310 . doi: 10.1503/jpn.090088
- Larsson, Sara; Lorentzen, Steinar; Mork, Erlend; Barrett, Elisabeth Ann; Steen, Nils Eiel; Lagerberg, Trine Vik; Berg, Akiah Ottesen; Aminoff, Sofie Ragnhild; Agartz, Ingrid; Melle, Ingrid & Andreassen, Ole Andreas (2010). Age at onset of bipolar disorder in a Norwegian catchment area sample. Journal of Affective Disorders. ISSN 0165-0327. 124(1-2), s 174- 177 . doi: 10.1016/j.jad.2009.10.031
- Steen, Nils Eiel; Tesli, Martin Steen; Kähler, Anna Katarina; Methlie, Paal; Hope, Sigrun; Barrett, Elisabeth Ann; Larsson, Sara; Mork, Erlend; Løvås, Kristian; Røssberg, Jan Ivar; Agartz, Ingrid; Melle, Ingrid; Djurovic, Srdjan; Lorentzen, Steinar; Berg, Jens Petter & Andreassen, Ole Andreas (2010). SRD5A2 is associated with increased cortisol metabolism in schizophrenia spectrum disorders. Progress in Neuro-psychopharmacology and Biological Psychiatry. ISSN 0278-5846. 34(8), s 1500- 1506 . doi: 10.1016/j.pnpbp.2010.08.013
- Hope, Sigrun; Melle, Ingrid; Aukrust, Pål; Steen, Nils Eiel; Birkenæs, Astrid Brate; Lorentzen, Steinar; Agartz, Ingrid; Ueland, T & Andreassen, Ole Andreas (2009). Similar immune profile in bipolar disorder and schizophrenia: selective increase in soluble tumor necrosis factor receptor I and von Willebrand factor. Bipolar Disorders. ISSN 1398-5647. 11(7), s 726- 734
- 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 (2020). Genome-wide Association Analysis of Parkinson’s Disease and Schizophrenia Reveals Shared Genetic Architecture and Identifies Novel Risk Loci. Biological Psychiatry. ISSN 0006-3223. . doi: 10.1016/j.biopsych.2020.01.026
- Smeland, Olav Bjerkehagen; Bahrami, Shahram; Frei, Oleksandr; Shadrin, Alexey A.; Savage, Jeanne E.; Watanabe, Kyoko; Krull, Florian; Bettella, Francesco; Steen, Nils Eiel; Ueland, Torill; Posthuma, Danielle; Djurovic, Srdjan; Dale, Anders & Andreassen, Ole Andreas (2018). Genome-wide analysis reveals extensive genetic overlap between schizophrenia, bipolar disorder and intelligence.
- Vedal, Trude Seselie Jahr; Steen, Nils Eiel; Birkeland, Kåre I.; Dieset, Ingrid; Reponen, Elina Johanna; Laskemoen, Jannicke F.; Rødevand, Linn; Melle, Ingrid; Andreassen, Ole Andreas; Molden, Espen & Jönsson, Erik Gunnar (2018). Response: Are thyroid abnormalities only related to antipsychotic treatment in patients with severe mental disorders?. Journal of Psychiatric Research. ISSN 0022-3956. . doi: 10.1016/j.jpsychires.2018.11.012
- Quintana, Daniel; Steen, Nils Eiel & Andreassen, Ole Andreas (2017). The Promise of Intranasal Esketamine as a Novel and Effective Antidepressant. JAMA psychiatry. ISSN 2168-6238. . doi: 10.1001/jamapsychiatry.2017.3738
- Aas, Monica; Djurovic, Srdjan; Athanasiu, Lavinia; Tesli, Martin Steen; Hellvin, Tone; Steen, Nils Eiel; Agartz, Ingrid; Lorentzen, Steinar; Sundet, Kjetil Søren; Andreassen, Ole A & Melle, Ingrid (2012). Interaction between (BDNF) VAL66Met, childhood adverse events and impaired cognition in patients with schizophrenia spectrum and bipolar disorder. Early Intervention in Psychiatry. ISSN 1751-7885. 6, s 45- 45
- Aas, Monica; Djurovic, Srdjan; Athanasiu, Lavinia; Steen, Nils Eiel; Agartz, Ingrid; Lorentzen, Steinar; Sundet, Kjetil Søren; Andreassen, Ole Andreas & Melle, Ingrid (2011). SEROTONIN TRANSPORTER GENE POLYMORPHISMS, CHILDHOOD TRAUMA AND COGNITION IN PATIENTS WITH PSYCHOTIC DISORDERS. Schizophrenia Bulletin. ISSN 0586-7614. 37, s 80- 80
- Hope, Sigrun; Melle, Ingrid; Ueland, Thor; Lorentzen, Steinar; Steen, Nils Eiel; Berg, Akiah Ottesen; Dieset, Ingrid; Agartz, Ingrid; Aukrust, Pål & Andreassen, Ole Andreas (2011). INTERLEUKIN 1 RECEPTOR ANTAGONIST AND TUMOR NECROSIS FACTOR RECEPTOR 1 ARE ASSOCIATED WITH GENERAL SEVERITY AND PSYCHOTIC SYMPTOMS IN SCHIZOPHRENIA AND BIPOLAR DISORDER. Schizophrenia Bulletin. ISSN 0586-7614. 37, s 115- 116
- Hope, Sigrun; Melle, Ingrid; Aukrust, Pål; Steen, Nils Eiel; Birkenæs, Astrid Brate; Lorentzen, Steinar; Agartz, Ingrid; Ueland, Thor & Andreassen, Ole Andreas (2009). SIMILAR INFLAMMATORY PROFILE IN BIPOLAR DISORDER AND SCHIZOPHRENIA: SELECTIVE INCREASE IN SOLUBLE TUMOR NECROSIS FACTOR RECEPTOR I AND VON WILLEBRAND FACTOR. Schizophrenia Bulletin. ISSN 0586-7614. 35, s 235- 235
- Steen, Nils Eiel; Lorentzen, Steinar; Melle, Ingrid; Agartz, Ingrid; Berg, Jens Petter & Andreassen, Ole Andreas (2008). Variation in cortisol levels and relationship to stress in bipolar disorder. Biological Psychiatry. ISSN 0006-3223. 63, s 142S- 142S
Published Aug. 20, 2013 12:42 PM
- Last modified Apr. 6, 2018 1:52 PM