• Atherogenic Lipid Ratios Related to Myeloperoxidase and C-Reactive Protein Levels in Psychotic Disorders 

      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 (Peer reviewed; Journal article, 2020)
      Background: Cardiovascular disease (CVD) is a major cause of premature death in patients with psychotic disorders, where dyslipidemia occurs frequently. In the pathogenesis of these serious mental disorders, a low-grade ...
    • Elevated Systemic Levels of Markers Reflecting Intestinal Barrier Dysfunction and Inflammasome Activation Are Correlated in Severe Mental Illness 

      Jensen, Søren Beck; Sheikh, Mashhood Ahmed; Akkouh, Ibrahim Ahmed; Szabo, Attila; O'Connell, Kevin Sean; Lekva, Tove; Engh, John; Agartz, Ingrid; Elvsåshagen, Torbjørn; Ormerod, Monica Bettina E. Greenwood; Weibell, Melissa Anne Elin Authen; Johnsen, Erik; Kroken, Rune Andreas; Melle, Ingrid; Drange, Ole Kristian; Nærland, Terje; Vaaler, Arne; Westlye, Lars Tjelta; Aukrust, Pål; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole; Ueland, Thor (Peer reviewed; Journal article, 2022)
      Abstract Background and Hypothesis Gut microbiota alterations have been reported in severe mental illness (SMI) but fewer studies have probed for signs of gut barrier disruption and inflammation. We hypothesized that ...
    • Genetic variants associated with cardiometabolic abnormalities during treatment with selective serotonin reuptake inhibitors: a genome-wide association study 

      Fjukstad, Katrine Kveli; Athanasiu, Lavinia; Bahrami, Shahram; O`Connell, Kevin; van der Meer, Dennis; Bettella, Francesco; Dieset, Ingrid; Steen, Nils Eiel; Djurovic, Srdjan; Spigset, Olav; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2021)
      Selective serotonin reuptake inhibitors (SSRIs) are prescribed both to patients with schizophrenia and bipolar disorder. Previous studies have shown associations between SSRI treatment and cardiometabolic alterations. The ...
    • Higher vitamin B12 levels in neurodevelopmental disorders than in healthy controls and schizophrenia A comparison among participants between 2 and 53 years 

      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 (Peer reviewed; Journal article, 2020)
      Recent studies suggest that both high and low levels of vitamin B12 (vitB12) may have negative health impacts. We measured VitB12 in patients with the Neurodevelopmental disorders (ND) (n = 222), comprised of Autism Spectrum ...
    • Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation 

      Szabo, Attila; O’Connell, Kevin; Ueland, Thor; Ahmed, Mashhood Sheikh; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pål; Boye, Birgitte; Bøen, Erlend; Drange, Ole Kristian; Elvsåshagen, Torbjørn; Engh, John Abel; Hope, Sigrun; Høegh, Margrethe Collier; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Lekva, Tove; Malt, Ulrik Fredrik; Melle, Ingrid; Morken, Gunnar; Nærland, Terje; Steen, Vidar Martin; Sørensen, Kjetil; Wedervang-Resell, Kirsten; Auten Weibell, Melissa; Westlye, Lars Tjelta; Steen, Nils Eiel; Andreassen, Ole; Djurovic, Srdjan (Peer reviewed; Journal article, 2022)
      Background Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental illnesses (SMI) that are part of a psychosis continuum, and dysregulated innate immune responses have been suggested to be involved in their ...
    • Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation 

      Szabo, Attila; O'Connell, Kevin Sean; Ueland, Thor; Sheikh, Mashhood Ahmed; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pål; Boye, Birgitte; Bøen, Erlend; Drange, Ole Kristian; Elvsåshagen, Torbjørn; Engh, John; Hope, Sigrun; Høegh, Margrethe Collier; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Lekva, Tove; Malt, Ulrik Fredrik; Melle, Ingrid; Morken, Gunnar; Nærland, Terje; Steen, Vidar Martin; Sørensen, Kjetil; Wedervang-Resell, Kirsten; Weibell, Melissa Anne Elin Authen; Westlye, Lars Tjelta; Steen, Nils Eiel; Andreassen, Ole; Djurovic, Srdjan (Peer reviewed; Journal article, 2021)
      Background -Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental illnesses (SMI) that are part of a psychosis continuum, and dysregulated innate immune responses have been suggested to be involved in their ...
    • Lower circulating neuron-specific enolase concentrations in adults and adolescents with severe mental illness 

      Andreou, Dimitrios; Steen, Nils Eiel; Jørgensen, Kjetil Nordbø; Smelror, Runar Elle; Wedervang-Resell, Kirsten; Nerland, Stener; Westlye, Lars Tjelta; Nærland, Terje; Myhre, Anne Margrethe; Joa, Inge; Reitan, Solveig Merete Klæbo; Vaaler, Arne; Morken, Gunnar; Bøen, Erlend; Elvsåshagen, Torbjørn; Boye, Birgitte; Malt, Ulrik Fredrik; Aukrust, Pål; Skrede, Silje; Kroken, Rune Andreas; Johnsen, Erik; Djurovic, Srdjan; Andreassen, Ole; Ueland, Thor; Agartz, Ingrid (Peer reviewed; Journal article, 2021)
      Background Both neurodegenerative and neurodevelopmental abnormalities have been suggested to be part of the etiopathology of severe mental illness (SMI). Neuron-specific enolase (NSE), mainly located in the neuronal ...
    • Mapping genomic loci implicates genes and synaptic biology in schizophrenia 

      Trubetskoy, Vassily; Pardiñas, Antonio F.; Qi, Ting; Panagiotaropoulou, Georgia; Awasthi, Swapnil; Bigdeli, Tim B.; Bryois, Julien; Chen, Chia-Yen; Dennison, Charlotte A.; Hall, Lynsey S.; Lam, Max; Watanabe, Kyoko; Frei, Oleksandr; Ge, Tian; Harwood, Janet C.; Koopmans, Frank; Magnusson, Sigurdur; Richards, Alexander L.; Sidorenko, Julia; Wu, Yang; Zeng, Jian; Grove, Jakob; Kim, Minsoo; Li, Zhiqiang; Voloudakis, Georgios; Zhang, Wen; Adams, Mark; Agartz, Ingrid; Atkinson, Elizabeth G.; Agerbo, Esben; Al Eissa, Mariam; Albus, Margot; Alexander, Madeline; Alizadeh, Behrooz Z.; Alptekin, Köksal; Als, Thomas D.; Amin, Farooq; Arolt, Volker; Arrojo, Manuel; Athanasiu, Lavinia; Azevedo, Maria Helena; Bacanu, Silviu A.; Bass, Nicholas J.; Begemann, Martin; Belliveau, Richard A.; Bene, Judit; Benyamin, Beben; Bergen, Sarah E.; Blasi, Giuseppe; Bobes, Julio; Bonassi, Stefano; Braun, Alice; Bressan, Rodrigo Affonseca; Bromet, Evelyn J.; Bruggeman, Richard; Buckley, Peter F.; Buckner, Randy L.; Bybjerg-Grauholm, Jonas; Cahn, Wiepke; Cairns, Murray J.; Calkins, Monica E.; Carr, Vaughan J.; Castle, David; Catts, Stanley V.; Chambert, Kimberley D.; Chan, Raymond C K; Chaumette, Boris; Cheng, Wei; Cheung, Eric F C; Chong, Siow Ann; Cohen, David; Consoli, Angèle; Cordeiro, Quirino; Costas, Javier; Curtis, Charles; Davidson, Michael; Davis, Kenneth L.; de Haan, Lieuwe; Degenhardt, Franziska; DeLisi, Lynn E.; Demontis, Ditte; Dickerson, Faith; Dikeos, Dimitris; Dinan, Timothy; Djurovic, Srdjan; Duan, Jubao; Ducci, Giuseppe; Dudbridge, Frank; Eriksson, Johan G.; Fañanás, Lourdes; Faraone, Stephen; Fiorentino, Alessia; Forstner, Andreas; Frank, Josef; Freimer, Nelson B.; Fromer, Menachem; Frustaci, Alessandra; Gadelha, Ary; Genovese, Giulio; Gershon, Elliot S.; Giannitelli, Marianna; Giegling, Ina; Giusti-Rodríguez, Paola; Godard, Stephanie; Goldstein, Jacqueline I.; González Peñas, Javier; González-Pinto, Ana; Gopal, Srihari; Gratten, Jacob; Green, Michael F.; Greenwood, Tiffany A.; Guillin, Olivier; Gülöksüz, Sinan; Gur, Raquel E.; Gur, Ruben C.; Gutiérrez, Blanca; Hahn, Eric; Hakonarson, Hakon; Haroutunian, Vahram; Hartmann, Annette M.; Harvey, Carol; Hayward, Caroline; Henskens, Frans A.; Herms, Stefan; Hoffmann, Per; Howrigan, Daniel P.; Ikeda, Masashi; Iyegbe, Conrad; Joa, Inge; Julià, Antonio; Kähler, Anna Katarina; Kam-Thong, Tony; Kamatani, Yoichiro; Karachanak-Yankova, Sena; Kebir, Oussama; Keller, Matthew C.; Kelly, Brian J.; Khrunin, Andrey; Kim, Sung-Wan; Klovins, Janis; Kondratiev, Nikolay; Konte, Bettina; Kraft, Julia; Kubo, Michiaki; Kučinskas, Vaidutis; Kučinskiene, Zita Ausrele; Kusumawardhani, Agung; Kuzelova-Ptackova, Hana; Landi, Stefano; Lazzeroni, Laura C.; Lee, Phil H.; Legge, Sophie E.; Lehrer, Douglas S.; Lencer, Rebecca; Lerer, Bernard; Li, Miaoxin; Lieberman, Jeffrey; Light, Gregory A.; Limborska, Svetlana; Liu, Chih-Min; Lönnqvist, Jouko; Loughland, Carmel M.; Lubinski, Jan; Luykx, Jurjen J.; Lynham, Amy; Macek, Milan; Mackinnon, Andrew; Magnusson, Patrik K E; Maher, Brion S.; Maier, Wolfgang; Malaspina, Dolores; Mallet, Jacques; Marder, Stephen R.; Marsal, Sara; Martin, Alicia R.; Martorell, Lourdes; Mattheisen, Manuel; McCarley, Robert W.; McDonald, Colm; McGrath, John J.; Medeiros, Helena; Meier, Sandra; Melegh, Bela; Melle, Ingrid; Mesholam-Gately, Raquelle I.; Metspalu, Andres; Michie, Patricia T.; Milani, Lili; Milanova, Vihra; Mitjans, Marina; Molden, Espen; Molina, Esther; Molto, María Dolores; Mondelli, Valeria; Moreno, Carmen; Morley, Christopher P.; Muntané, Gerard; Murphy, Kieran C.; Myin-Germeys, Inez; Nenadić, Igor; Nestadt, Gerald; Nikitina-Zake, Liene; Noto, Cristiano; Nuechterlein, Keith H.; O'Brien, Niamh Louise; O'Neill, F Anthony; Oh, Sang-Yun; Olincy, Ann; Ota, Vanessa Kiyomi; Pantelis, Christos; Papadimitriou, George N.; Parellada, Mara; Paunio, Tiina; Pellegrino, Renata; Periyasamy, Sathish; Perkins, Diana O.; Pfuhlmann, Bruno; Pietiläinen, Olli; Pimm, Jonathan; Porteous, David; Powell, John; Quattrone, Diego; Quested, Digby; Radant, Allen D.; Rampino, Antonio; Rapaport, Mark H.; Rautanen, Anna; Reichenberg, Abraham; Roe, Cheryl; Roffman, Joshua L.; Roth, Julian; Rothermundt, Matthias; Rutten, Bart P F; Saker-Delye, Safaa; Salomaa, Veikko; Sanjuan, Julio; Santoro, Marcos Leite; Savitz, Adam; Schall, Ulrich; Scott, Rodney J.; Seidman, Larry J.; Sharp, Sally Isabel; Shi, Jianxin; Siever, Larry J.; Sigurdsson, Engilbert; Sim, Kang; Skarabis, Nora; Slominsky, Petr; So, Hon-Cheong; Sobell, Janet L.; Söderman, Erik; Stain, Helen J.; Steen, Nils Eiel; Steixner-Kumar, Agnes A.; Stögmann, Elisabeth; Stone, William S.; Straub, Richard E.; Streit, Fabian; Strengman, Eric; Stroup, T. Scott; Subramaniam, Mythily; Sugar, Catherine A.; Suvisaari, Jaana; Svrakic, Dragan M.; Swerdlow, Neal R.; Szatkiewicz, Jin P.; Ta, Thi Minh Tam; Takahashi, Atsushi; Terao, Chikashi; Thibaut, Florence; Toncheva, Draga; Tooney, Paul A.; Torretta, Silvia; Tosato, Sarah; Tura, Gian Battista; Turetsky, Bruce I.; Üçok, Alp; Vaaler, Arne; van Amelsvoort, Therese; van Winkel, Ruud; Veijola, Juha; Waddington, John; Walter, Henrik; Waterreus, Anna; Webb, Bradley T.; Weiser, Mark; Williams, Nigel M.; Witt, Stephanie H.; Wormley, Brandon K.; Wu, Jing Qin; Xu, Zhida; Yolken, Robert; Zai, Clement C.; Zhou, Wei; Zhu, Feng; Zimprich, Fritz; Atbaşoğlu, Eşref Cem; Ayub, Muhammad; Benner, Christian; Bertolino, Alessandro; Black, Donald W.; Bray, Nicholas J.; Breen, Gerome; Buccola, Nancy G.; Byerley, William F.; Chen, Wei J.; Cloninger, C Robert; Crespo-Facorro, Benedicto; Donohoe, Gary; Freedman, Robert; Galletly, Cherrie; Gandal, Michael J.; Gennarelli, Massimo; Hougaard, David M.; Hwu, Hai-Gwo; Jablensky, Assen V.; McCarroll, Steven A.; Moran, Jennifer L.; Mors, Ole; Mortensen, Preben B.; Müller-Myhsok, Bertram; Neil, Amanda L.; Nordentoft, Merete; Pato, Michele T.; Petryshen, Tracey L.; Pirinen, Matti; Pulver, Ann E.; Schulze, Thomas G.; Silverman, Jeremy M.; Smoller, Jordan W.; Stahl, Eli A.; Tsuang, Debby W.; Vilella, Elisabet; Wang, Shi-Heng; Xu, Shuhua; Adolfsson, Rolf; Arango, Celso; Baune, Bernhard T.; Belangero, Sintia Iole; Børglum, Anders D.; Braff, David; Bramon, Elvira; Buxbaum, Joseph D.; Campion, Dominique; Cervilla, Jorge A.; Cichon, Sven; Collier, David A.; Corvin, Aiden; Curtis, David; Forti, Marta Di; Domenici, Enrico; Ehrenreich, Hannelore; Escott-Price, Valentina; Esko, Tõnu; Fanous, Ayman H.; Gareeva, Anna; Gawlik, Micha; Gejman, Pablo V.; Gill, Michael; Glatt, Stephen J.; Golimbet, Vera; Hong, Kyung Sue; Hultman, Christina M.; Hyman, Steven E.; Iwata, Nakao; Jönsson, Erik Gunnar; Kahn, René S; Kennedy, James L.; Khusnutdinova, Elza; Kirov, George; Knowles, James A.; Krebs, Marie-Odile; Laurent-Levinson, Claudine; Lee, Jimmy; Lencz, Todd; Levinson, Douglas F.; Li, Qingqin S.; Liu, Jianjun; Malhotra, Anil K.; Malhotra, Dheeraj; McIntosh, Andrew; McQuillin, Andrew; Menezes, Paulo R.; Morgan, Vera A.; Morris, Derek W.; Mowry, Bryan J.; Murray, Robin M.; Nimgaonkar, Vishwajit; Nöthen, Markus M.; Ophoff, Roel A.; Paciga, Sara A.; Palotie, Aarno; Pato, Carlos N.; Qin, Shengying; Rietschel, Marcella; Riley, Brien P.; Rivera, Margarita; Rujescu, Dan; Saka, Meram C.; Sanders, Alan R.; Schwab, Sibylle G.; Serretti, Alessandro; Sham, Pak C.; Shi, Yongyong; St Clair, David; Stefánsson, Hreinn; Stefansson, Kari; Tsuang, Ming T.; van Os, Jim; Vawter, Marquis P.; Weinberger, Daniel R.; Werge, Thomas; Wildenauer, Dieter B.; Yu, Xin; Yue, Weihua; Holmans, Peter A.; Pocklington, Andrew J.; Roussos, Panos; Vassos, Evangelos; Verhage, Matthijs; Visscher, Peter M.; Yang, Jian; Posthuma, Danielle; Andreassen, Ole; Kendler, Kenneth S.; Owen, Michael J.; Wray, Naomi R.; Daly, Mark J.; Huang, Hailiang; Neale, Benjamin M.; Sullivan, Patrick F.; Ripke, Stephan; Walters, James T R; O'Donovan, Michael C. (Peer reviewed; Journal article, 2022)
      Schizophrenia has a heritability of 60–80%1, much of which is attributable to common risk alleles. Here, in a two-stage genome-wide association study of up to 76,755 individuals with schizophrenia and 243,649 control ...
    • 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 

      Engh, John; Ueland, Thor; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pål; Boye, Birgitte; Bøen, Erlend; Drange, Ole Kristian; Elvsåshagen, Torbjørn; Hope, Sigrun; Høegh, Margrethe Collier; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Lekva, Tove; Malt, Ulrik Fredrik; Melle, Ingrid; Morken, Gunnar; Nærland, Terje; Steen, Vidar Martin; Wedervang-Resell, Kirsten; Weibell, Melissa; Westlye, Lars Tjelta; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole (Peer reviewed; Journal article, 2021)
      Background Immune dysfunction has been implicated in the pathogenesis of schizophrenia and other nonaffective psychosis (SCZ), bipolar spectrum disorder (BIP) and major depressive disorder (MDD). The cytokines B cell-activating ...
    • Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting 

      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 (Peer reviewed; Journal article, 2016)
      Background Mood stabilizers like lithium and anticonvulsants are used in bipolar and related psychotic disorders. There is a lack of knowledge of the relationship of these medications and cognition in the psychosis ...
    • Systemic Cell Adhesion Molecules in Severe Mental Illness: Potential Role of Intercellular CAM-1 in Linking Peripheral and Neuroinflammation 

      Sheikh, Mashhood Ahmed; O'Connell, Kevin Sean; Lekva, Tove; Szabo, Attila; Akkouh, Ibrahim Ahmed; Osete, Jordi Requena; Agartz, Ingrid; Engh, John; Andreou, Dimitrios; Boye, Birgitte; Bøen, Erlend; Elvsåshagen, Torbjørn; Hope, Sigrun; Werner, Maren Caroline Frogner; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Melle, Ingrid; Drange, Ole Kristian; Morken, Gunnar; Nærland, Terje; Sørensen, Kjetil; Vaaler, Arne; Weibell, Melissa Anne Elin Authen; Westlye, Lars Tjelta; Aukrust, Pål; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole; Ueland, Thor (Peer reviewed; Journal article, 2022)
      Background Cell adhesion molecules (CAMs) orchestrate leukocyte trafficking and could link peripheral and neuroinflammation in patients with severe mental illness (SMI), by promoting inflammatory and immune-mediated ...