• Persistent T-cell exhaustion in relation to prolonged pulmonary pathology and death after severe COVID-19: Results from two Norwegian cohort studies 

      Trøseid, Marius; Dahl, Tuva Børresdatter; Holter, Jan Cato; Kildal, Anders Benjamin; Murphy, Sarah Louise Mikalsen; Yang, Kuan; Quiles Jimenez, Ana Maria Teresa; Heggelund, Lars; Muller, Karl Erik; Tveita, Anders Aune; Michelsen, Annika Elisabet; Bøe, Simen; Holten, Aleksander Rygh; Hoel, Hedda Benedicte; Mathiessen, Alexander; Aaløkken, Trond Mogens; Fevang, Børre; Granerud, Beathe Kiland; Tonby, Kristian; Nezvalova-Henriksen, Katerina; Lerum, Tøri Vigeland; Müller, Fredrik; Skjønsberg, Ole Henning; Barratt-Due, Andreas; Riise, Anne Margarita Dyrhol; Aukrust, Pål; Halvorsen, Bente Evy; Ueland, Thor (Journal article; Peer reviewed, 2022)
      Background: T-cell activation is associated with an adverse outcome in COVID-19, but whether T-cell activation and exhaustion relate to persistent respiratory dysfunction and death is unknown. Objectives: To investigate ...
    • Plasma levels of interleukin 27 in falciparum malaria is increased independently of co-infection with HIV: potential immune-regulatory role during malaria 

      Otterdal, Kari; Berg, Åse; Michelsen, Annika; Patel, Sam; Gregersen, Ida; Sagen, Ellen Lund; Halvorsen, Bente; Yndestad, Arne; Ueland, Thor; Langeland, Nina; Aukrust, Pål (Journal article; Peer reviewed, 2020)
      Background The immune response during falciparum malaria mediates both harmful and protective effects on the host; however the participating molecules have not been fully defined. Interleukin (IL)-27 is a pleiotropic ...
    • Plasma parasitemia as assessed by quantitative PCR in relation to clinical disease severity in African adults with falciparum malaria with and without HIV co-infection 

      Berg, Åse; Patel, Sam; Tellevik, Marit Gjerde; Haanshuus, Christel Gill; Dalen, Ingvild; Otterdal, Kari; Ueland, Thor; Moyo, Sabrina John; Aukrust, Pål; Langeland, Nina (Journal article; Peer reviewed, 2020)
      Purpose When considering malaria disease severity, estimation of parasitemia in erythrocytes is important, but sometimes misleading, since the infected erythrocytes may be sequestered in peripheral capillaries. In African ...
    • Podocan and Adverse Clinical Outcome in Patients Admitted With Suspected Acute Coronary Syndromes 

      Andersen, Thomas; Ueland, Thor; Aukrust, Pål; Nilsen, Dennis W.T.; Grundt, Magnea Heidi Jonsdottir; Staines, Harry; Kontny, Frederic (Journal article; Peer reviewed, 2022)
      Background: Markers of bone and extracellular matrix (ECM) remodeling may be associated with adverse outcomes in atherosclerotic cardiovascular disease. Podocan is a newly discovered ECM glycoprotein, previously not studied ...
    • Predictors of exacerbations in chronic obstructive pulmonary disease - results from the Bergen COPD Cohort Study 

      Husebø, Gunnar Reksten; Bakke, Per; Aanerud, Marianne; Hardie, Jon Andrew; Ueland, Thor; Grønseth, Rune; Persson, Louise Jeanette Pauline; Aukrust, Pål; Eagan, Tomas Mikal (Peer reviewed; Journal article, 2014-10-03)
      Background: COPD exacerbations accelerate disease progression. Aims To examine if COPD characteristics and systemic inflammatory markers predict the risk for acute COPD exacerbation (AECOPD) frequency and duration. Methods: ...
    • Procollagen type 1 N-terminal propeptide is associated with adverse outcome in acute chest pain of suspected coronary origin 

      Andersen, Thomas; Ueland, Thor; Aukrust, Pål; Nilsen, Dennis WT; Grundt, Magnea Heidi Jonsdottir; Staines, Harry; Pønitz, Volker; Kontny, Frederic (Journal article; Peer reviewed, 2023)
      Background: Extracellular matrix (ECM) is an integral player in the pathophysiology of a variety of cardiac diseases. Cardiac ECM is composed mainly of collagen, of which type 1 is the most abundant with procollagen type ...
    • The relationship between Fibroblast Growth Factor 23 (FGF23) and cardiac MRI findings following primary PCI in patients with acute first time STEMI 

      Thorsen, Inga Strand; Gøransson, Lasse Gunnar; Ueland, Thor; Aukrust, Pål; Manhenke, Cord A; Skadberg, Øyvind; Jonsson, Grete; Ørn, Stein (Journal article; Peer reviewed, 2021)
      Background: Fibroblast growth factor 23 (FGF23) is a regulator of mineral metabolism, that has been linked to myocardial remodeling including development of left ventricular (LV) hypertrophy and myocardial fibrosis. The ...
    • Rifaximin alters gut microbiota profile, but does not affect systemic inflammation - a randomized controlled trial in common variable immunodeficiency 

      Jørgensen, Silje Fjellgård; Macpherson, Magnhild Eide; Bjørnetrø, Tonje; Holm, Kristian; Kummen, Martin; Rashidi, Azita; Michelsen, Annika; Lekva, Tove; Halvorsen, Bente; Trøseid, Marius; Mollnes, Tom Eirik; Berge, Rolf Kristian; Yndestad, Arne; Ueland, Thor; Karlsen, Tom Hemming; Aukrust, Pål; Hov, Johannes Espolin Roksund; Fevang, Børre (Peer reviewed; Journal article, 2019-01-17)
      Common variable immunodefciency (CVID) patients have reduced gut microbial diversity compared to healthy controls. The reduced diversity is associated with gut leakage, increased systemic infammation and ten “key” bacteria ...
    • Rosuvastatin alters the genetic composition of the human gut microbiome 

      Kummen, Martin; Solberg, Ole Geir; Larsen, Christopher Storm; Holm, Kristian; Ragnarsson, Asgrimur; Trøseid, Marius; Vestad, Beate; Skårdal, Rita; Yndestad, Arne; Ueland, Thor; Svardal, Asbjørn M.; Berge, Rolf Kristian; Seljeflot, Ingebjørg; Gullestad, Lars; Karlsen, Tom Hemming; Aaberge, Lars; Aukrust, Pål; Hov, Johannes Espolin Roksund (Journal article; Peer reviewed, 2020)
      The gut microbiome contributes to the variation of blood lipid levels, and secondary bile acids are associated with the effect of statins. Yet, our knowledge of how statins, one of our most common drug groups, affect the ...
    • Shared Genetic Loci Between Schizophrenia and White Blood Cell Counts Suggest Genetically Determined Systemic Immune Abnormalities 

      Steen, Nils Eiel; Rahman, Zillur; Szabo, Attila; Hindley, Guy; Parker, Nadine; Cheng, Weiqiu; Lin, Aihua; O'Connell, Kevin S; Sheikh, Mashhood Ahmed; Shadrin, Alexey; Bahrami, Shahram; Karthikeyan, Sandeep; Hoseth, Eva Zsuzsanna; Dale, Anders M; Aukrust, Pål; Smeland, Olav Bjerkehagen; Ueland, Thor; Frei, Oleksandr; Djurovic, Srdjan; Andreassen, Ole (Journal article; Peer reviewed, 2023)
      Background: Immune mechanisms are indicated in schizophrenia (SCZ). Recent genome-wide association studies (GWAS) have identified genetic variants associated with SCZ and immune-related phenotypes. Here, we use cutting ...
    • Soluble markers of neutrophil, T-cell and monocyte activation are associated with disease severity and parasitemia in falciparum malaria 

      Otterdal, Kari; Berg, Åse; Michelsen, Annika; Patel, Sam; Tellevik, Marit Gjerde; Haanshuus, Christel Gill; Fevang, Børre; Aukrust, Pål; Langeland, Nina; Ueland, Thor (Peer reviewed; Journal article, 2018-12-18)
      BACKGROUND: The immune response during P. falciparum infection is a two-edged sword, involving dysregulation of the inflammatory responses with several types of immune cells participating. Here we examined T-cell, ...
    • A study of TNF pathway activation in schizophrenia and bipolar disorder in plasma and brain tissue 

      Hoseth, Eva Zsuzsanna; Ueland, Thor; Dieset, Ingrid; Birnbaum, Rebecca; Shin, Joo Heon; Kleinman, Joel Edward; Hyde, Thomas Michael; Mørch, Ragni Helene; Hope, Sigrun; Lekva, Tove; Abraityte, Judita Aurelija; Michelsen, Annika; Melle, Ingrid; Westlye, Lars Tjelta; Ueland, Torill; Djurovic, Srdjan; Aukrust, Pål; Weinberger, Daniel R.; Andreassen, Ole Andreas (Peer reviewed; Journal article, 2017-07)
      Objective: A proinflammatory imbalance in the tumor necrosis factor (TNF) system may contribute to the pathogenesis of schizophrenia (SCZ) and bipolar disorders (BDs) and related comorbidities. We investigated the relative ...
    • 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 (Journal article; Peer reviewed, 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 ...
    • Systemic complement activation is associated with respiratory failure in COVID-19 hospitalized patients 

      Holter, Jan Cato; Pischke, Soeren; de Boer, Eline; Lind, Andreas; Jenum, Synne; Holten, Aleksander Rygh; Tonby, Kristian; Barratt-Due, Andreas; Sokolova, Marina; Schjalm, Camilla; Chaban, Viktoriia; Kolderup, Anette; Tran, Trung; Tollefsrud Gjølberg, Torleif; Skeie, Linda Gail; Hesstvedt, Liv; Ormåsen, Vidar; Fevang, Børre; Austad, Cathrine; Muller, Karl Erik; Fladeby, Cathrine; Holberg-Petersen, Mona; Halvorsen, Bente; Müller, Fredrik; Aukrust, Pål; Dudman, Susanne Gjeruldsen; Ueland, Thor; Andersen, Jan Terje; Lund-Johansen, Fridtjof; Heggelund, Lars; Dyrhol-Riise, Anne Ma; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2020)
      Respiratory failure in the acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic is hypothesized to be driven by an overreacting innate immune response, where the complement system is a key player. In this prospective ...
    • Transcriptional and functional effects of lithium in bipolar disorder iPSC-derived cortical spheroids 

      Osete, Jordi Requena; Akkouh, Ibrahim Ahmed; Levglevskyi, Oleksandr; Vandenberghe, Matthieu; Reis de Assis, Denis; Ueland, Thor; Kondratskaya, Elena; Holen, Børge; Szabo, Attila; Hughes, Timothy; Smeland, Olav Bjerkehagen; Steen, Vidar Martin; Andreassen, Ole; Djurovic, Srdjan (Journal article; Peer reviewed, 2023)
      Lithium (Li) is recommended for long-term treatment of bipolar disorder (BD). However, its mechanism of action is still poorly understood. Induced pluripotent stem cell (iPSC)-derived brain organoids have emerged as a ...
    • Vitamin D as a risk factor for patient survival after kidney transplantation: A prospective observational cohort study 

      Thorsen, Inga Strand; Bleskestad, Inger Hjørdis; Åsberg, Anders; Hartmann, Anders; Skadberg, Øyvind; Brede, Cato; Ueland, Thor; Pasch, Andreas; Reisæter, Anna Varberg; Gøransson, Lasse (Peer reviewed; Journal article, 2019)
      Background: Short‐term survival after kidney transplantation is excellent, but long‐term survival remains low and is equivalent to non‐end‐stage renal disease patients with many invasive malignancies. The aim of the study ...
    • Vitamin D, vitamin D binding protein, and longitudinal outcomes in COPD 

      Persson, Louise Jeanette Pauline; Aanerud, Marianne; Hiemstra, Pieter Sicco; Michelsen, Annika; Ueland, Thor; Hardie, Jon Andrew; Aukrust, Pål; Bakke, Per S.; Eagan, Tomas Mikal (Peer reviewed; Journal article, 2015-03-24)
      Background: Associations between Vitamin D3 [25(OH)D], vitamin D binding protein (VDBP) and chronic obstructive pulmonary disease (COPD) are previously reported. We aimed to further investigate these associations on ...