• Exploring the Wnt signaling pathway in schizophrenia and bipolar disorder 

      Hoseth, Eva Zsuzsanna; Krull, Florian; Dieset, Ingrid; Mørch, Ragni Helene; Hope, Sigrun; Gardsjord, Erlend Strand; Steen, Nils Eiel; Melle, Ingrid; Brattbakk, Hans-Richard; Steen, Vidar Martin; Aukrust, Pål; Djurovic, Srdjan; Andreassen, Ole Andreas; Ueland, Thor (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-03-06)
      The Wnt signaling pathway plays a crucial role in neurodevelopment and in regulating the function and structure of the adult nervous system. Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental disorders with evidence of subtle neurodevelopmental, structural and functional neuronal abnormalities. We aimed to elucidate the role of aberrant regulation of the Wnt system in these disorders ...
    • 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; Tidsskriftartikkel; Peer reviewed, 2022-07-25)
      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 data on their regulation in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is limited. We thus investigated the levels of these chemokines in COVID-19 ...
    • IL-6 receptor inhibition by tocilizumab attenuated expression of C5a receptor 1 and 2 in non-ST-elevation myocardial infarction 

      Orrem, Hilde Lang; Nilsson, Per; Pischke, Søren Erik; Kleveland, Ola; Yndestad, Arne; Ekholt, Karin; Damås, Jan Kristian; Espevik, Terje; Bendz, Bjørn; Halvorsen, Bente; Gregersen, Ida; Wiseth, Rune; Andersen, Geir Øystein; Ueland, Thor; Gullestad, Lars; Aukrust, Pål; Barratt-Due, Andreas; Mollnes, Tom Eirik (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-09-12)
      <p><i>Background</i>: Elevated interleukin-6 (IL-6) and complement activation are associated with detrimental effects of inflammation in coronary artery disease (CAD). The complement anaphylatoxins C5a and C3a interact with their receptors; the highly inflammatory C5aR1, and the C5aR2 and C3aR. We evaluated the effect of the IL-6 receptor (IL-6R)-antagonist tocilizumab on the expression of the ...
    • Immediate response in markers of inflammation and angiogenesis during exercise: a randomised cross-over study in heart transplant recipients 

      Yardley, Marianne; Ueland, Thor; Aukrust, Pål; Michelsen, Annika; Bjørkelund, Elisabeth; Gullestad, Lars; Nytrøen, Kari (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-28)
      <p><i>Background</i>: The present study explored and compared the immediate responses in markers of inflammation and angiogenesis in maintenance heart transplant (HTx) recipients before, during and after sessions of high-intensity interval training (HIT) versus moderate-intensity continuous training (MICT). The study aimed to explain some of the trigger mechanisms behind HIT in HTx recipients.</p> ...
    • Impact of the von Willebrand factor-ADAMTS-13 axis on the risk of future venous thromboembolism 

      Edvardsen, Magnus; Hansen, Ellen-Sofie; Ueland, Thor; Aukrust, Pål; Brækkan, Sigrid Kufaas; Morelli, Vania Maris; Hansen, John Bjarne (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-02-01)
      Background - von Willebrand factor (VWF) and its cleaving protease, ADAMTS-13, form a pivotal axis that regulates hemostasis. However, the role of the VWF-ADAMTS-13 axis in the risk of future venous thromboembolism (VTE) is unknown.<p> <p>Objectives - To investigate whether plasma ADAMTS-13 levels and an imbalance with VWF levels, assessed as the VWF/ADAMTS-13 ratio, are associated with the risk ...
    • 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 (Journal article; Tidsskriftartikkel; Peer reviewed, 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 have non-infectious inflammatory and autoimmune complications, associated with systemic immune activation. Our aim was to explore if HDL, known to have anti-inflammatory properties, ...
    • Increased secondary/primary bile acid ratio in chronic heart failure 

      Mayerhofer, Christiane Caroline; Ueland, Thor; Broch, Kaspar; Vincent, Royce P.; Cross, Gemma F.; Dahl, Christen Peder; Aukrust, Pål; Gullestad, Lars; Hov, Johannes Espolin Roksund; Trøseid, Marius (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-09-09)
      <p><i>Objective</i> Bile acids (BAs) are now recognized as signaling molecules and emerging evidence suggests that BAs affect cardiovascular function. The gut microbiota has recently been linked to the severity of heart failure (HF), and microbial metabolism has a major impact on BA homeostasis. We aimed to investigate the pattern of BAs, and particularly microbiota-transformed (secondary) BAs, in ...
    • Increased Systemic and Local Interleukin 9 Levels in Patients with Carotid and Coronary Atherosclerosis 

      Gregersen, Ida; Skjelland, Mona; Holm, Sverre; Holven, Kirsten Bjørklund; Sørensen, Kirsten; Russell, David; Askevold, Erik Tandberg; Dahl, Christen Peder; Ørn, Stein; Gullestad, Lars; Mollnes, Tom Eirik; Ueland, Thor; Aukrust, Pål; Halvorsen, Bente (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      Objective: Atherosclerosis is a chronic inflammatory disorder that involves a range of inflammatory mediators. Although interleukin (IL)-9 has been related to inflammation, there are at present no data on its role in atherosclerosis. Here we have examined IL-9 and IL-9 receptor (IL-9R) systemically and locally in patients with coronary and carotid atherosclerosis. Methods: Plasma IL-9 was quantified ...
    • 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; Mohn, Christine (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-12-28)
      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. However, multivariate relationships between peripheral inflammatory/immune-related markers and cognitive domains are unclear, and many studies do not account for inter-individual ...
    • Interleukin-6 receptor inhibition with tocilizumab induces a selective and substantial increase in plasma IP-10 and MIP-1β in non-ST-elevation myocardial infarction 

      Kleveland, Ola; Ueland, Thor; Kunszt, Gabor; Bratlie, Marte; Yndestad, Arne; Broch, Kaspar; Holte, Espen; Ryan, Liv; Amundsen, Brage H.; Bendz, Bjørn; Aakhus, Svend; Espevik, Terje; Halvorsen, Bente; Mollnes, Tom Eirik; Wiseth, Rune; Gullestad, Lars; Aukrust, Pål; Damås, Jan Kristian (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-06-29)
      <p><i>Aim</i>: To evaluate the effect of interleukin-6 inhibition with tocilizumab on the cytokine network in patients with acute non-ST-elevation myocardial infarction (NSTEMI).</p> <p><i>Methods</i>: 117 patients with acute NSTEMI were randomised to an intravenous infusion of 280 mg tocilizumab or placebo prior to coronary angiography. Blood samples were obtained at baseline, at 6 consecutive ...
    • 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 (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-01-15)
      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 and changes during anti-TB chemotherapy. Methods: Thirty-eight plasma cytokines, assessed by multiplex and enzyme immunoassays, were analyzed in patients with active TB before ...
    • Leptin and adiponectin as predictors of cardiovascular risk after gestational diabetes mellitus 

      Lekva, Tove; Michelsen, Annika E.; Aukrust, Pål; Henriksen, Tore; Jens, Bollerslev; Ueland, Thor (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-10)
      Background: Gestational diabetes mellitus (GDM) is a significant risk factor for cardiovascular disease (CVD) in later life, but the mechanism remains unclear. Adipokine imbalance in the presence of metabolic dysfunction may be a key event in promoting CVD. The aim of the study was to examine the relationships between GDM, cardiovascular risk, and plasma adiponectin, leptin and the leptin/adiponectin ...
    • LIGHT/TNFSF14 is increased in patients with type 2 diabetes mellitus and promotes islet cell dysfunction and endothelial cell inflammation in vitro 

      Halvorsen, Bente; Santilli, Francesca; Scholz, Hanne; Sahraoui, Afaf; Gulseth, Hanne Løvdal; Wium, Cecilie; Lattanzio, Stefano; Formoso, Gloria; Di Fulvio, Patrizia; Otterdal, Kari; Retterstøl, Kjetil; Holven, Kirsten Bjørklund; Gregersen, Ida; Stavik, Benedicte; Bjerkeli, Vigdis; Michelsen, Annika; Ueland, Thor; Liani, Rossella; Davi, Giovanni; Aukrust, Pål (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-07-15)
      Aims/hypothesis: Activation of inflammatory pathways is involved in the pathogenesis of type 2 diabetes mellitus. On the basis of its role in vascular inflammation and in metabolic disorders, we hypothesised that the TNF superfamily (TNFSF) member 14 (LIGHT/TNFSF14) could be involved in the pathogenesis of type 2 diabetes mellitus. <p>Methods: Plasma levels of LIGHT were measured in two cohorts of ...
    • Low levels of immunoglobulins and mannose-binding lectin are not associated with etiology, severity, or outcome in community-acquired pneumonia 

      Siljan, William Ward; Nymo, Ståle Haugset; Husebye, Einar; Ueland, Thor; Skattum, Lillemor; Bosnes, Vidar; Garred, Peter; Frøland, Stig Sophus; Mollnes, Tom Eirik; Aukrust, Pål; Heggelund, Lars (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-01-05)
      <p><i>Background - </i>Disease severity and outcome in community-acquired pneumonia (CAP) depend on the host and on the challenge of the causal microorganism(s). We measured levels of immunoglobulins (Igs) and complement in 257 hospitalized adults with CAP and examined the association of low levels of Igs or complement to microbial etiology, disease severity, and short-term and long-term ...
    • Markers of extracellular matrix remodeling and systemic inflammation in patients with heritable thoracic aortic diseases 

      Seim, Bjørn Edvard; Holt, Margrethe Flesvig; Ratajska, Aleksandra; Michelsen, Annika Elisabet; Ringseth, Monica Myklebust; Halvorsen, Bente; Skjelland, Mona; Kvitting, John-Peder; Lundblad, Runar; Krohg-Sørensen, Kirsten; Osnes, Liv T. N.; Aukrust, Pål; Paus, Benedicte; Ueland, Thor (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-12-20)
      Background: In approximately 20% of patients with thoracic aortic aneurysms or dissections a heritable thoracic aortic disease (HTAD) is suspected. Several monogenic connective tissue diseases imply high risk of aortic disease, including both non-syndromic and syndromic forms. There are some studies assessing inflammation and extracellular matrix remodeling in patients with non-hereditary aortic ...
    • Monocyte/macrophage and T cell activation markers are not independently associated with MI risk in healthy individuals - results from the HUNT Study 

      Ueland, Thor; Laugsand, Lars Erik; Vatten, Lars Johan; Janszky, Imre; Platou, Carl Geoffrey Parrinder; Michelsen, Annika; Damås, Jan Kristian; Aukrust, Pål; Åsvold, Bjørn Olav (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-06)
      <p><i>Background</i>: We hypothesized that circulating markers reflecting monocyte/macrophage and T cell activation are associated with increased risk of myocardial infarction (MI) in apparently healthy individuals.</p> <p><i>Methods</i>: Serum monocyte/macrophage and T cell activation markers soluble (s) CD163, sCD14, Gal3BP, sCD25 and sCD166 were analyzed by enzyme-immunoassay in a case-control ...
    • A Nationwide Study of GATA2 Deficiency in Norway-the Majority of Patients Have Undergone Allo-HSCT 

      Jørgensen, Silje Fjellgård; Buechner, Jochen; Myhre, Anders E.; Galteland, Eivind; Spetalen, Signe; Kulseth, Mari Ann; Sorte, Hanne Sørmo; Holla, Øystein Lunde; Lundman, Emma; Alme, Charlotte; Heier, Ingvild; Flægstad, Trond; Fløisand, Yngvar; Benneche, Andreas; Fevang, Børre; Aukrust, Pål; Stray-Pedersen, Asbjørn; Gedde-Dahl, Tobias; Nordøy, Ingvild (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-10)
      Purpose: GATA2 deficiency is a rare primary immunodeficiency that has become increasingly recognized due to improved molecular diagnostics and clinical awareness. The only cure for GATA2 deficiency is allogeneic hematopoietic stem cell transplantation (allo-HSCT). The inconsistency of genotype-phenotype correlations makes the decision regarding "who and when" to transplant challenging. Despite ...
    • Osteoprotegerin is associated with major bleeding but not with cardiovascular outcomes in patients with acute coronary syndromes: Insights from the PLATO (Platelet Inhibition and Patient Outcomes) trial 

      Ueland, Thor; Åkerblom, Axel; Ghukasyan, Tatevik; Michelsen, Annika; Aukrust, Pål; Becker, Richard C.; Bertilsson, Maria; Himmelmann, Anders; James, Stefan K.; Siegbahn, Agneta; Storey, Robert F.; Kontny, Frederic; Wallentin, Lars (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-01-12)
      Background: <br>Elevated levels of osteoprotegerin, a secreted tumor necrosis factor–related molecule, might be associated with adverse outcomes in patients with coronary artery disease. We measured plasma osteoprotegerin concentrations on hospital admission, at discharge, and at 1 and 6 months after discharge in a predefined subset (n=5135) of patients with acute coronary syndromes in the PLATO ...
    • Patients with depression display cytokine levels in serum and cerebrospinal fluid similar to patients with diffuse neurological symptoms without a defined diagnosis 

      Hestad, Knut A.; Engedal, Knut; Whist, Jon Elling; Aukrust, Pål; Farup, Per Grønaas; Mollnes, Tom Eirik; Ueland, Thor (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-04-13)
      INTRODUCTION: Several reports indicate that inflammation may play a role in depression and demonstrate enhanced systemic levels of inflammatory mediators. We hypothesized that 44 patients with a diagnosis of depression would present with a specific and different serum and cerebrospinal fluid (CSF) cytokine profile compared to 21 patients with diffuse neurological symptoms, of whom 15 had fatigue as ...
    • Persistent pulmonary pathology after COVID-19 is associated with high viral load, weak antibody response, and high levels of matrix metalloproteinase-9 

      Lerum, Tøri Vigeland; Maltzahn, Niklas; Aukrust, Pål; Trøseid, Marius; Nezvalova-Henriksen, Katerina; Kåsine, Trine; Dyrhol-Riise, Anne Ma; Stiksrud, Birgitte; Haugli, Mette; Blomberg, Bjørn; Kittang, Bård Reiakvam; Johannessen, Asgeir; Hannula, Raisa; Aballi, Saad; Kildal, Anders Benjamin; Eiken, Ragnhild; Dahl, Tuva Børresdatter; Lund-Johansen, Fridtjof; Müller, Fredrik; Rivero, Jezabel Rodriguez; Meltzer, Carin; Einvik, Gunnar; Ueland, Thor; Olsen, Inge Christoffer; Barratt-Due, Andreas; Aaløkken, Trond Mogens; Skjønsberg, Ole Henning (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-01)
      The association between pulmonary sequelae and markers of disease severity, as well as pro-fibrotic mediators, were studied in 108 patients 3 months after hospital admission for COVID-19. The COPD assessment test (CAT-score), spirometry, diffusion capacity of the lungs (DL<sub>CO</sub>), and chest-CT were performed at 23 Norwegian hospitals included in the NOR-SOLIDARITY trial, an open-labelled, ...