• Angiopoietin-2 and angiopoietin-like 4 protein provide prognostic information in patients with suspected acute coronary syndrome 

      Aarsetøy, Reidun; Ueland, Thor; Aukrust, Pål; Michelsen, Annika E.; de la Fuente, Ricardo Leon; Pønitz, Volker; Andersen, Trygve Brugger; Grundt, Heidi; Staines, Harry; Nilsen, Dennis W.T. (Journal article; Peer reviewed, 2021)
      Background Plasma levels of angiopoietin-2 (ANGPT2) and angiopoietin-like 4 protein (ANGPTL4) reflect different pathophysiological aspects of cardiovascular disease. We evaluated their association with outcome in a ...
    • 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 (Journal article; Peer reviewed, 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 ...
    • Cannabis Use Is Associated With Increased Levels of Soluble gp130 in Schizophrenia but Not in Bipolar Disorder 

      Szabo, Attila; Akkouh, Ibrahim; Ueland, Thor; Lagerberg, Trine Vik; Dieset, Ingrid; Bjella, Thomas; Aukrust, Pål; Le Hellard, Stephanie; Stavrum, Anne-Kristin; Melle, Ingrid; Andreassen, Ole Andreas; Djurovic, Srdjan (Journal article; Peer reviewed, 2020)
      The complex effects of plant cannabinoids on human physiology is not yet fully understood, but include a wide spectrum of effects on immune modulation. The immune system and its inflammatory effector pathways are recently ...
    • Cellular adhesion molecules in drug-naïve and previously medicated patients with schizophrenia-spectrum disorders 

      Gjerde, Kristian Varden; Bartz-Johannessen, Christoffer; Steen, Vidar Martin; Andreassen, Ole A.; Steen, Nils Eiel; Ueland, Thor; Lekva, Tove; Rettenbacher, Maria; Joa, Inge; Reitan, Solveig Klæbo; Johnsen, Erik; Kroken, Rune Andreas (Journal article; Peer reviewed, 2024)
      Background Endothelial inflammation may be involved in the pathogenesis of schizophrenia, and cellular adhesion molecules (CAMs) on endothelial cells may facilitate leukocyte binding and transendothelial migration of cells ...
    • Chemokine ligand 18 predicts all-cause mortality in patients hospitalized with chest pain of suspected coronary origin 

      Nilsen, Dennis WT; Aarsetoey, Reidun; Poenitz, Volker; Ueland, Thor; Aukrust, Pål; Michelsen, Annika Elisabet; Andersen, Trygve Brugger; Staines, Harry; Grundt, Magnea Heidi Jonsdottir (Journal article; Peer reviewed, 2024)
      Introduction: Chemokines mediate recruitment and activation of leucocytes. Chemokine ligand 18 (CCL18) is mainly expressed by monocytes/macrophages and dendritic cells. It is highly expressed in chronic inflammatory diseases, ...
    • Complement component 7 is associated with total- and cardiac death in chest-pain patients with suspected acute coronary syndrome 

      Aarsetøy, Reidun; Ueland, Thor; Aukrust, Pål; Michelsen, Annika Elisabet; Leon de la Fuente, Ricardo; Grundt, Magnea Heidi Jonsdottir; Staines, Harry; Nygård, Ottar Kjell; Nilsen, Dennis W.T. (Journal article; Peer reviewed, 2021)
      Background Complement activation has been associated with atherosclerosis, atherosclerotic plaque destabilization and increased risk of cardiovascular events. Complement component 7 (CC7) binds to the C5bC6 complex which ...
    • Composite immune marker scores associated with severe mental disorders and illness course 

      Ormerod, Monica Bettina E. Greenwood; Ueland, Thor; Werner, Maren Caroline Frogner; Hjell, Gabriela; Rødevand, Linn Nilsen; Sæther, Linn Sofie; Lunding, Synve Hoffart; Johansen, Ingrid Torp; Ueland, Torill; Lagerberg, Trine Vik; Melle, Ingrid; Djurovic, Srdjan; Andreassen, Ole; Steen, Nils Eiel (Journal article; Peer reviewed, 2022)
      Background Low-grade inflammation has been implicated in the pathophysiology of severe mental disorders (SMDs) and a link between immune activation and clinical characteristics is suggested. However, few studies have ...
    • Cortisol and C-reactive protein (CRP) regulation in severe mental disorders 

      Inova, Amina; Birkenæs, Viktoria; Quintana, Daniel; Ormerod, Monica Bettina E. Greenwood; Ueland, Torill; Ueland, Thor; Djurovic, Srdjan; Andreassen, Ole; Steen, Nils Eiel; Aas, Monica (Journal article; Peer reviewed, 2025)
      Background People with schizophrenia (SZ) and bipolar disorder (BD) show abnormalities in the biological stress system and low-grade inflammation. However, whether the hypothalamic-pituitary-adrenal (HPA) axis-immune ...
    • Cross-trait genome-wide association analysis of C-reactive protein level and psychiatric disorders 

      Hindley, Guy; Drange, Ole Kristian; Lin, Aihua; Kutrolli, Gleda; Shadrin, Alexey; Parker, Nadine; O'Connell, Kevin Sean; Rødevand, Linn; Cheng, Weiqiu; Bahrami, Shahram; Karadag, Naz; Holen, Børge; Jaholkowski, Piotr Pawel; Woldeyohannes, Markos Tesfaye; Djurovic, Srdjan; Dale, Anders M.; Frei, Oleksandr; Ueland, Thor; Smeland, Olav Bjerkehagen; Andreassen, Ole (Journal article; Peer reviewed, 2023)
      C-reactive protein (CRP) tends to be elevated in individuals with psychiatric disorders. Recent findings have suggested a protective effect of the genetic liability to elevated CRP on schizophrenia risk and a causative ...
    • Decreased IL-1β-induced CCL20 response in human iPSC-astrocytes in schizophrenia: Potential attenuating effects on recruitment of regulatory T cells 

      Akkouh, Ibrahim; Ueland, Thor; Hansson, Lars; Inderhaug, Elin; Hughes, Timothy; Steen, Nils Eiel; Aukrust, Pål; Andreassen, Ole Andreas; Szabo, Attila; Djurovic, Srdjan (Journal article; Peer reviewed, 2020)
      Schizophrenia (SCZ) is a severe mental disorder with a high heritability. Although its pathophysiology is mainly unknown, dysregulated immune activation and inflammation have recently emerged as possible candidates in the ...
    • The Effect of Protease-Activated Receptor-1 (PAR-1) Inhibition on Endothelial-Related Biomarkers in Patients with Coronary Artery Disease 

      Nilsen, Dennis W.T.; Røysland, Michelle; Ueland, Thor; Aukrust, Pål; Michelsen, Annika Elisabet; Staines, Harry; Barvik, Ståle; Kontny, Frederic; Nordrehaug, Jan Erik; Bonarjee, Vernon V S (Journal article; Peer reviewed, 2022)
      Background: Vorapaxar has been shown to reduce cardiovascular mortality in postmyocardial infarction (MI) patients. Pharmacodynamic biomarker research related to protease-activated receptor-1 (PAR-1) inhibition with vorapaxar ...
    • Elevated levels of peripheral and central nervous system immune markers reflect innate immune dysregulation in autism spectrum disorder 

      Szabo, Attila; O'Connell, Kevin Sean; Akkouh, Ibrahim Ahmed; Ueland, Thor; Sønderby, Ida Elken; Hope, Sigrun; Røe, Anne Berit; Dønnum, Monica Stolen; Sjaastad, Ingrid; Steen, Nils Eiel; Ueland, Torill; Sæther, Linn Sofie; Requena Osete, Jordi; Andreassen, Ole A.; Nærland, Terje; Djurovic, Srdjan (Journal article; Peer reviewed, 2024)
      Background: Evidence suggests dysregulated immune functions in the pathophysiology of Autism spectrum disorder (ASD), although specific immune mechanisms are yet to be identified. Methods: We assessed circulating levels ...
    • Elevated markers of gut leakage and inflammasome activation in COVID-19 patients with cardiac involvement 

      Hoel, Hedda Benedicte; Heggelund, Lars; Reikvam, Dag Henrik; Stiksrud, Birgitte; Ueland, Thor; Michelsen, Annika; Otterdal, Kari; Muller, Karl Erik; Lind, Andreas; Müller, Fredrik; Dudman, Susanne Gjeruldsen; Aukrust, Pål; Dyrhol-Riise, Anne Ma; Holter, Jan Cato; Trøseid, Marius (Journal article; Peer reviewed, 2021)
      Background A high proportion of COVID‐19 patients have cardiac involvement, even those without known cardiac disease. Downregulation of angiotensin converting enzyme 2 (ACE2), a receptor for SARS‐CoV‐2 and the renin‐angiotensin ...
    • Escalated complement activation during hospitalization is associated with higher risk of 60-day mortality in SARS-CoV-2-infected patients 

      Barratt-Due, Andreas; Pettersen, Kristin; Dahl, Tuva Børresdatter; Holter, Jan Cato; Grønli, Renathe Henriksen; Dyrhol-Riise, Anne Ma; Lerum, Tøri Vigeland; Holten, Aleksander Rygh; Tonby, Kristian; Trøseid, Marius; Skjønsberg, Ole Henning; Granerud, Beathe Kiland; Heggelund, Lars; Kildal, Anders Benjamin; Schjalm, Camilla; Aaløkken, Trond Mogens; Aukrust, Pål; Ueland, Thor; Mollnes, Tom Eirik; Halvorsen, Bente (Journal article; Peer reviewed, 2024)
      Background: The complement system, an upstream recognition system of innate immunity, is activated upon SARS-CoV-2 infection. To gain a deeper understanding of the extent and duration of this activation, we investigated ...
    • Extracellular matrix remodelling pathway in peripheral blood mononuclear cells from severe COVID-19 patients: an explorative study 

      Murphy, Sarah Louise Mikalsen; Balzer, Nora Reka; Ranheim, Trine; Sagen, Ellen Lund; Huse, Camilla; Bjerkeli, Vigdis; Michelsen, Annika Elisabet; Finbråten, Ane-Kristine; Heggelund, Lars; Dyrhol-Riise, Anne Ma; Tveita, Anders; Holten, Aleksander Rygh; Trøseid, Marius; Ueland, Thor; Ulas, Thomas; Aukrust, Pål; Barratt-Due, Andreas; Halvorsen, Bente; Dahl, Tuva Børresdatter (Journal article; Peer reviewed, 2024)
      There is a reciprocal relationship between extracellular matrix (ECM) remodelling and inflammation that could be operating in the progression of severe COVID-19. To explore the immune-driven ECM remodelling in COVID-19, ...
    • Fatty Acids Composition and HIV Infection: Altered Levels of n-6 Polyunsaturated Fatty Acids Are Associated with Disease Progression 

      Ueland, Thor; Waagsbø, Bjørn; Berge, Rolf Kristian; Trøseid, Marius; Aukrust, Pål; Damås, Jan Kristian (Journal article; Peer reviewed, 2023)
      Fatty acids (FAs) are important regulators of immune responses and innate defense mechanisms. We hypothesized that disturbed FA metabolism could contribute to the progression of HIV infection. Plasma levels of 45 FAs were ...
    • Genetic Overlap Between Global Cortical Brain Structure, C-Reactive Protein, and White Blood Cell Counts 

      Parker, Nadine; Cheng, Weiqiu; Hindley, Guy; O'Connell, Kevin Sean; Karthikeyan, Sandeep; Holen, Børge; Shadrin, Alexey; Rahman, Zillur; Karadag, Naz; Bahrami, Shahram; Lin, Aihua; Steen, Nils Eiel; Ueland, Thor; Aukrust, Pål; Djurovic, Srdjan; Dale, Anders; Smeland, Olav Bjerkehagen; Frei, Oleksandr; Andreassen, Ole (Journal article; Peer reviewed, 2024)
      Background For many brain disorders, a subset of patients jointly exhibit alterations in cortical brain structure and elevated levels of circulating immune markers. This may be driven in part by shared genetic architecture. ...
    • Gut microbiota composition during hospitalization is associated with 60-day mortality after severe COVID-19 

      Trøseid, Marius; Holter, Jan Cato; Holm, Kristian; Vestad, Beate; Sazonova, Taisiia; Granerud, Beathe Kiland; Dyrhol-Riise, Anne Ma; Holten, Aleksander Rygh; Tonby, Kristian; Kildal, Anders Benjamin; Heggelund, Lars; Tveita, Anders Aune; Bøe, Simen; Müller, Karl Erik; Jenum, Synne; Hov, Johannes Espolin Roksund; Ueland, Thor (Journal article; Peer reviewed, 2023)
      Background Gut microbiota alterations have been reported in hospitalized COVID-19 patients, with reduced alpha diversity and altered microbiota composition related to respiratory failure. However, data regarding gut ...
    • Gut microbiota-dependent trimethylamine N-oxide associates with inflammation in common variable immunodeficiency 

      Macpherson, Magnhild Eide; Hov, Johannes Espolin Roksund; Ueland, Thor; Dahl, Tuva Børresdatter; Kummen, Martin; Otterdal, Kari; Holm, Kristian; Berge, Rolf Kristian; Mollnes, Tom Eirik; Trøseid, Marius; Halvorsen, Bente; Aukrust, Pål; Fevang, Børre; Jørgensen, Silje Fjellgård (Journal article; Peer reviewed, 2020)
      A substantial proportion of patients with common variable immunodeficiency (CVID) have inflammatory and autoimmune complications of unknown etiology. We have previously shown that systemic inflammation in CVID correlates ...
    • Hepcidin and Ferritin Predict Microbial Etiology in Community-Acquired Pneumonia 

      Oppen, Kjersti; Ueland, Thor; Siljan, William Ward; Skadberg, Øyvind; Brede, Cato; Lauritzen, Trine; Aukrust, Pål; Steinsvik, Trude; Husebye, Einar; Michelsen, Annika; Holter, Jan Cato; Heggelund, Lars (Journal article; Peer reviewed, 2021)
      Background Iron is crucial for survival and growth of microbes. Consequently, limiting iron availability is a human antimicrobial defense mechanism. We explored iron and iron-related proteins as potential biomarkers in ...