Publications 2022

Barth C, Kelly S, Nerland S, Jahanshad N, Alloza C, Ambrogi S, Andreassen OA, Andreou D, Arango C, Baeza I, Banaj N, Bearden CE, Berk M, Bohman H, Castro-Fornieles J, Chye Y, Crespo-Facorro B, de la Serna E, Díaz-Caneja CM, Gurholt TP, Hegarty CE, James A, Janssen J, Johannessen C, Jönsson EG et al. (2022)
In vivo white matter microstructure in adolescents with early-onset psychosis: a multi-site mega-analysis
Mol Psychiatry, 28 (3), 1159-1169
DOI 10.1038/s41380-022-01901-3, PubMed 36510004

Engh JA, Ueland T, Agartz I, Andreou D, Aukrust P, Boye B, Bøen E, Drange OK, Elvsåshagen T, Hope S, Høegh MC, Joa I, Johnsen E, Kroken RA, Lagerberg TV, Lekva T, Malt UF, Melle I, Morken G, Nærland T, Steen VM, Wedervang-Resell K, Weibell MA, Westlye LT, Djurovic S et al. (2022)
Plasma Levels of the Cytokines B Cell-Activating Factor (BAFF) and A Proliferation-Inducing Ligand (APRIL) in Schizophrenia, Bipolar, and Major Depressive Disorder: A Cross Sectional, Multisite Study
Schizophr Bull, 48 (1), 37-46
DOI 10.1093/schbul/sbab106, PubMed 34499169

Mørch-Johnsen L, Smelror RE, Andreou D, Barth C, Johannessen C, Wedervang-Resell K, Wortinger LA, Díaz R, Victoria G, Ueland T, Andreassen OA, Myhre AM, Rund BR, Ulloa RE, Agartz I (2022)
Negative Symptom Domains Are Associated With Verbal Learning in Adolescents With Early Onset Psychosis
Front Psychiatry, 12, 825681
DOI 10.3389/fpsyt.2021.825681, PubMed 35069300

Publications 2021

Andreou D, Jørgensen KN, Nerland S, Smelror RE, Wedervang-Resell K, Johannessen CH, Myhre AM, Andreassen OA, Blennow K, Zetterberg H, Agartz I (2021)
Lower plasma total tau in adolescent psychosis: Involvement of the orbitofrontal cortex
J Psychiatr Res, 144, 255-261
DOI 10.1016/j.jpsychires.2021.10.031, PubMed 34700214

Andreou D, Steen NE, Jørgensen KN, Smelror RE, Wedervang-Resell K, Nerland S, Westlye LT, Nærland T, Myhre AM, Joa I, Reitan SMK, Vaaler A, Morken G, Bøen E, Elvsåshagen T, Boye B, Malt UF, Aukrust P, Skrede S, Kroken RA, Johnsen E, Djurovic S, Andreassen OA, Ueland T, Agartz I (2021)
Lower circulating neuron-specific enolase concentrations in adults and adolescents with severe mental illness
Psychol Med, 53 (4), 1479-1488
DOI 10.1017/S0033291721003056, PubMed 35387700

Hilland E, Johannessen C, Jonassen R, Alnæs D, Jørgensen KN, Barth C, Andreou D, Nerland S, Wortinger LA, Smelror RE, Wedervang-Resell K, Bohman H, Lundberg M, Westlye LT, Andreassen OA, Jönsson EG, Agartz I (2021)
Aberrant default mode connectivity in adolescents with early-onset psychosis: A resting state fMRI study
Neuroimage Clin, 33, 102881
DOI 10.1016/j.nicl.2021.102881, PubMed 34883402

Smelror RE, Johannessen C, Wedervang-Resell K, Jørgensen KN, Barth C, Andreou D, Ueland T, Andreassen OA, Myhre AM, Rund BR, Agartz I (2021)
Cognitive impairment profile in adolescent early-onset psychosis using the MATRICS Battery: Age and sex effects
Neuropsychology, 35 (3), 300-309
DOI 10.1037/neu0000723, PubMed 33970663

Szabo A, O'Connell KS, Ueland T, Sheikh MA, Agartz I, Andreou D, Aukrust P, Boye B, Bøen E, Drange OK, Elvsåshagen T, Engh JA, Hope S, Collier Høegh M, Joa I, Johnsen E, Kroken RA, Vik Lagerberg T, Lekva T, Malt UF, Melle I, Morken G, Nærland T, Steen VM, Sørensen K et al. (2021)
Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation
Brain Behav Immun, 99, 299-306
DOI 10.1016/j.bbi.2021.10.017, PubMed 34758379

Publications 2020

Gurholt TP, Lonning V, Nerland S, Jørgensen KN, Haukvik UK, Alloza C, Arango C, Barth C, Bearden CE, Berk M, Bohman H, Dandash O, Díaz-Caneja CM, Edbom CT, van Erp TGM, Fett AJ, Frangou S, Goldstein BI, Grigorian A, Jahanshad N, James AC, Janssen J, Johannessen C, Karlsgodt KH, Kempton MJ et al. (2020)
Intracranial and subcortical volumes in adolescents with early-onset psychosis: A multisite mega-analysis from the ENIGMA consortium
Hum Brain Mapp, 43 (1), 373-384
DOI 10.1002/hbm.25212, PubMed 33017498

Hope S, Naerland T, Høiland AL, Torske T, Malt E, Abrahamsen T, Nerhus M, Wedervang-Resell K, Lonning V, Johannessen J, Steen NE, Agartz I, Stenberg N, Hundhausen T, Mørkrid L, Andreassen OA (2020)
Higher vitamin B12 levels in neurodevelopmental disorders than in healthy controls and schizophrenia: A comparison among participants between 2 and 53 years
FASEB J, 34 (6), 8114-8124
DOI 10.1096/fj.201900855RRR, PubMed 32323402

Lyngstad SH, Gardsjord ES, Engen MJ, Haatveit B, Ihler HM, Wedervang-Resell K, Simonsen C, Melle I, Færden A (2020)
Trajectory and early predictors of apathy development in first-episode psychosis and healthy controls: a 10-year follow-up study
Eur Arch Psychiatry Clin Neurosci, 270 (6), 709-722
DOI 10.1007/s00406-020-01112-3, PubMed 32130475

Reponen EJ, Dieset I, Tesli M, Mørch RH, Aas M, Vedal TSJ, Haug E, Drange OK, Steen NE, Hope S, Szabo A, Gohar SM, Wedervang-Resell K, Djurovic S, Melle I, Aukrust P, Andreassen OA, Ueland T (2020)
Atherogenic Lipid Ratios Related to Myeloperoxidase and C-Reactive Protein Levels in Psychotic Disorders
Front Psychiatry, 11, 672
DOI 10.3389/fpsyt.2020.00672, PubMed 32754070

Smelror RE, Rund BR, Lonning V, Jørgensen KN, Wedervang-Resell K, Andreassen OA, Ueland T, Myhre AM, Agartz I (2020)
Negative and disorganized symptoms mediate the relationship between verbal learning and global functioning in adolescents with early-onset psychosis
Eur Child Adolesc Psychiatry, 29 (12), 1693-1703
DOI 10.1007/s00787-020-01479-7, PubMed 32036438

Wedervang-Resell K, Ueland T, Aukrust P, Friis S, Holven KB, H Johannessen C, Lekva T, Lonning V, Smelror RE, Szabo A, Andreassen OA, Myhre AM, Agartz I (2020)
Reduced levels of circulating adhesion molecules in adolescents with early-onset psychosis
NPJ Schizophr, 6 (1), 20
DOI 10.1038/s41537-020-00112-5, PubMed 32811840

Publications 2019

Wedervang-Resell K, Friis S, Lonning V, Smelror RE, Johannessen C, Agartz I, Ulven SM, Holven KB, Andreassen OA, Myhre AM (2019)
Lipid alterations in adolescents with early-onset psychosis may be independent of antipsychotic medication
Schizophr Res, 216, 295-301
DOI 10.1016/j.schres.2019.11.039, PubMed 31791814

Wedervang-Resell K, Friis S, Lonning V, Smelror RE, Johannessen C, Reponen EJ, Lyngstad SH, Lekva T, Aukrust P, Ueland T, Andreassen OA, Agartz I, Myhre AM (2019)
Increased interleukin 18 activity in adolescents with early-onset psychosis is associated with cortisol and depressive symptoms
Psychoneuroendocrinology, 112, 104513
DOI 10.1016/j.psyneuen.2019.104513, PubMed 31761332