• 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-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 ...
    • Hepcidin predicts 5-year mortality after community-acquired pneumonia 

      Oppen, Kjersti; Ueland, Thor; Michelsen, Annika Elisabet; Aukrust, Pål; Steinsvik, Trude; Skadberg, Øyvind; Brede, Cato; Siljan, William Ward; Husebye, Einar; Holter, Jan Cato; Heggelund, Lars (Journal article; Peer reviewed, 2022)
      Background Virtually all living organisms, including microbes and humans, depend on iron to survive and grow. During an infection, the plasma level of iron and several iron-related proteins change substantially. We ...
    • High circulating levels of the homeostatic chemokines CCL19 and CCL21 predict mortality and disease severity in Covid-19 

      Tveita, Anders Aune; Murphy, Sarah Louise Mikalsen; Holter, Jan Cato; Kildal, Anders Benjamin; Michelsen, Annika Elisabet; Lerum, Tøri Vigeland; Kaarbø, Mari; Heggelund, Lars; Holten, Aleksander Rygh; Finbråten, Ane-Kristine; Muller, Karl Erik; Mathiessen, Alexander; Bøe, Simen; Fevang, Børre; Granerud, Beathe Kiland; Tonby, Kristian; Lind, Andreas; Dudman, Susanne; Nezvalova-Henriksen, Katerina; Müller, Fredrik; Skjønsberg, Ole Henning; Trøseid, Marius; Barratt-Due, Andreas; Riise, Anne Margarita Dyrhol; Aukrust, Pål; Halvorsen, Bente Evy; Dahl, Tuva Børresdatter; Ueland, Thor (Journal article; Peer reviewed, 2022)
      Background Immune dysregulation is a major factor in the development of severe coronavirus disease 2019 (COVID-19). The homeostatic chemokines CCL19 and CCL21 have been implicated as mediators of tissue inflammation, but ...
    • High neopterin and IP-10 levels in cerebrospinal fluid are associated with neurotoxic tryptophan metabolites in acute central nervous system infections 

      Quist-Paulsen, Else; Aukrust, Pål; Kran, Anne-Marte Bakken; Dunlop, Oona Borghild; Ormaasen, Vidar; Stiksrud, Birgitte; Midttun, Øivind; Ueland, Thor; Ueland, Per Magne; Mollnes, Tom Eirik; Dyrhol-Riise, Anne Ma (Peer reviewed; Journal article, 2018-11-23)
      Background The host response to intruders in the central nervous system (CNS) may be beneficial but could also be harmful and responsible for neurologic symptoms and sequelae in CNS infections. This immune response induces ...
    • IL-18 and IL-18 binding protein are related to disease severity and parasitemia during falciparum malaria 

      Otterdal, Kari; Berg, Åse; Michelsen, Annika Elisabet; Yndestad, Arne; Patel, Sam; Gregersen, Ida; Halvorsen, Bente; Ueland, Thor; Langeland, Nina; Aukrust, Pål (Journal article; Peer reviewed, 2021)
      Background: Several inflammatory molecules participate in the immune response to malaria. Interleukin (IL)-18 is an inflammatory cytokine activated by NLRP3 inflammasomes. In clinical falciparum malaria, with and without ...
    • Immune marker levels in severe mental disorders: associations with polygenic risk scores of related mental phenotypes and psoriasis 

      Werner, Maren Caroline Frogner; Wirgenes, Katrine Verena; Shadrin, Alexey; Lunding, Synve Hoffart; Rødevand, Linn; Hjell, Gabriela; Ormerod, Monica Bettina E. Greenwood; Haram, Marit; Agartz, Ingrid; Djurovic, Srdjan; Melle, Ingrid; Aukrust, Pål; Ueland, Thor; Andreassen, Ole; Steen, Nils Eiel (Journal article; Peer reviewed, 2022)
      Several lines of evidence implicate immune abnormalities in the pathophysiology of severe mental disorders (SMD) and comorbid mental disorders. Here, we use the data from genome-wide association studies (GWAS) of autoimmune ...
    • Impact of HIV and type 2 diabetes on gut microbiota diversity, tryptophan catabolism and endothelial dysfunction 

      Hoel, Hedda Benedicte; Hove-Skovsgaard, Malene; Hov, Johannes Espolin Roksund; Gaardbo, Julie Christine; Holm, Kristian; Kummen, Martin; Rudi, Knut; Nwosu, Felix; Valeur, Jørgen; Gelpi, Marco; Seljeflot, Ingebjørg; Ueland, Per Magne; Gerstoft, Jan; Ullum, Henrik; Aukrust, Pål; Nielsen, Susanne Dam; Trøseid, Marius (Peer reviewed; Journal article, 2018-04-30)
      HIV infection and type 2 diabetes are associated with altered gut microbiota, chronic inflammation, and increased cardiovascular risk. We aimed to investigate the combined effect of these diseases on gut microbiota composition ...
    • Impaired HDL function amplifies systemic inflammation in common variable immunodeficiency 

      Macpherson, Magnhild Eide; Halvorsen, Bente; Yndestad, Arne; Ueland, Thor; Mollnes, Tom Eirik; Berge, Rolf Kristian; Rashidi, Azita; Otterdal, Kari; Gregersen, Ida; Kong, Xiang Yi; Holven, Kirsten Bjørklund; Aukrust, Pål; Fevang, Børre; Jørgensen, Silje Fjellgård (Peer reviewed; Journal article, 2019-07-01)
      Common variable immunodeficiency (CVID) is the most common symptomatic primary immunodeficiency, characterized by inadequate antibody responses and recurrent bacterial infections. Paradoxically, a majority of CVID patients ...
    • 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 (Journal article; Peer reviewed, 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 interleukin-6 and macrophage chemoattractant protein-1 are associated with respiratory failure in COVID-19 

      Jørgensen, Marthe Jøntvedt; Holter, Jan Cato; Christensen, Erik; Schjalm, Camilla; Tonby, Kristian; Pischke, Soeren; Jenum, Synne; Skeie, Linda Gail; Nur, Sarah; Lind, Andreas; Opsand, Hanne; Enersen, Tone Burvald; Grøndahl, Ragnhild; Hermann, Anne; Dudman, Susanne Gjeruldsen; Müller, Fredrik; Ueland, Thor; Mollnes, Tom Eirik; Aukrust, Pål; Heggelund, Lars; Holten, Aleksander Rygh; Dyrhol-Riise, Anne Ma (Journal article; Peer reviewed, 2020-12)
      In SARS-CoV-2 infection there is an urgent need to identify patients that will progress to severe COVID-19 and may benefit from targeted treatment. In this study we analyzed plasma cytokines in COVID-19 patients and ...
    • Increased Plasma Levels of Triglyceride-Enriched Lipoproteins Associate with Systemic Inflammation, Lipopolysaccharides, and Gut Dysbiosis in Common Variable Immunodeficiency 

      Macpherson, Magnhild Eide; Skarpengland, Tonje; Hov, Johannes Espolin Roksund; Ranheim, Trine; Vestad, Beate; Dahl, Tuva Børresdatter; Fraz, Mai Sasaki Aanensen; Michelsen, Annika Elisabet; Holven, Kirsten Bjørklund; Fevang, Børre; Berge, Rolf Kristian; Aukrust, Pål; Halvorsen, Bente; Jørgensen, Silje Fjellgård (Journal article; Peer reviewed, 2023)
      Purpose: Triglycerides (TG) and their major transport lipoprotein in the circulation (VLDL) appear to be related to inflammation. Patients with common variable immunodeficiency (CVID) have inflammatory complications ...
    • Increased severity and mortality in adults co-infected with malaria and HIV in Maputo, Mozambique: a prospective cross-sectional study 

      Berg, Åse; Patel, Sam; Aukrust, Pål; David, Catarina; Gonca, Miguel; Berg, Einar Sverre; Dalen, Ingvild; Langeland, Nina (Peer reviewed; Journal article, 2014-02-05)
      Background: Co-infection with falciparum malaria and HIV-1 increases the severity and mortality of both infections in unstable malaria-transmission areas. In contrast, in stable transmission areas, HIV co-infection increases ...
    • Inflammation and cognition in severe mental illness: patterns of covariation and subgroups 

      Sæther, Linn Sofie; Ueland, Thor; Haatveit, Beathe; Maglanoc, Luigi; Szabo, Attila; Djurovic, Srdjan; Aukrust, Pål; Roelfs, Daniël; Ormerod, Monica Bettina E. Greenwood; Lagerberg, Trine Vik; Steen, Nils Eiel; Melle, Ingrid; Andreassen, Ole; Ueland, Torill (Journal article; Peer reviewed, 2023)
      A potential relationship between dysregulation of immune/inflammatory pathways and cognitive impairment has been suggested in severe mental illnesses (SMI), such as schizophrenia (SZ) and bipolar (BD) spectrum disorders. ...
    • Inflammation markers in multiple sclerosis: CXCL16 reflects and may also predict disease activity 

      Holmøy, Trygve; Løken-Amsrud, Kristin Ingeleiv; Bakke, Jacob; Beiske, Antonie Giæver; Bjerve, Kristian S; Hovdal, Harald Olav; Lilleås, Finn; Midgard, Rune; Pedersen, Tom; Saltyte Benth, Jurate; Torkildsen, Øivind; Wergeland, Stig; Myhr, Kjell-Morten; Michelsen, Annika; Aukrust, Pål; Ueland, Thor (Peer reviewed; Journal article, 2013-09-19)
      Background. Serum markers of inflammation are candidate biomarkers in multiple sclerosis (MS). ω-3 fatty acids are suggested to have anti-inflammatory properties that might be beneficial in MS. We aimed to explore the ...
    • Instability in NAD+ metabolism leads to impaired cardiac mitochondrial function and communication 

      Lauritzen, Knut H.; Olsen, Maria Belland; Ahmed, Mohammed Shakil; Yang, Kuan; Rinholm, Johanne Egge; Bergersen, Linda H.; Esbensen, Qin Ying; Sverkeli, Lars Jansen; Ziegler, Mathias; Attramadal, Håvard; Halvorsen, Bente; Aukrust, Pål; Yndestad, Arne (Journal article; Peer reviewed, 2021)
      Poly(ADP-ribose) polymerase (PARP) enzymes initiate (mt)DNA repair mechanisms and use nicotinamide adenine dinucleotide (NAD+) as energy source. Prolonged PARP activity can drain cellular NAD+ reserves, leading to de-regulation ...
    • IP-10 differentiates between active and latent tuberculosis irrespective of HIV status and declines during therapy 

      Wergeland, Ida; Pullar, Nadine Durema; Assmus, Jörg; Ueland, Thor; Tonby, Kristian; Feruglio, Siri; Kvale, Dag; Damås, Jan Kristian; Aukrust, Pål; Mollnes, Tom Eirik; Dyrhol-Riise, Anne Ma (Peer reviewed; Journal article, 2015-04)
      Objectives: Biomarkers for diagnosis and therapy efficacy in tuberculosis (TB) are requested. We have studied biomarkers that may differentiate between active and latent TB infection (LTBI), the influence of HIV infection ...
    • Krill oil attenuates left ventricular dilatation after myocardial infarction in rats 

      Fosshaug, Linn Elisabeth; Berge, Rolf Kristian; Beitnes, Jan Otto; Berge, Kjetil; Vik, Hogne; Aukrust, Pål; Gullestad, Lars; Vinge, Leif Erik; Øie, Erik (Peer reviewed; Journal article, 2011-12-29)
      Background: In the western world, heart failure (HF) is one of the most important causes of cardiovascular mortality. Supplement with n-3 polyunsaturated fatty acids (PUFA) has been shown to improve cardiac function in HF ...
    • Limited association between infections, autoimmune disease and genetic risk and immune activation in severe mental disorders 

      Werner, Maren Caroline Frogner; Wirgenes, Katrine Verena; Shadrin, Alexey; Lunding, Synve Hoffart; Rødevand, Linn; Hjell, Gabriela; Ormerod, Monica; Haram, Marit; Agartz, Ingrid; Djurovic, Srdjan; Melle, Ingrid; Aukrust, Pål; Ueland, Thor; Andreassen, Ole; Steen, Nils Eiel (Journal article; Peer reviewed, 2022)
      Background Low-grade inflammation may be part of the underlying mechanism of schizophrenia and bipolar disorder. We investigated if genetic susceptibility, infections or autoimmunity could explain the immune activation. ...