• Adipokines and macrophage markers during pregnancy?Possible role for sCD163 in prediction and progression of gestational diabetes mellitus 

      Ueland, Thor; Michelsen, Annika; Aukrust, Pål; Henriksen, Tore; Bollerslev, Jens; Lekva, Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-13)
      <i>Aims</i> - The risk of gestational diabetes mellitus (GDM) is increased in overweight and obese women potentially involving secreted mediators from adipose tissue. Our main aim was to evaluate if circulating adipokines and monocyte/macrophage markers were dysregulated in GDM and the influence body mass and indices of glucose metabolism had on this association. We further explored if early detection ...
    • ALCAM predicts future cardiovascular death in acute coronary syndromes: Insights from the PLATO trial 

      Ueland, Thor; Åkerblom, Axel; Ghukasyan, Tatevik; Michelsen, Annika; Becker, Richard C; Bertilson, Maria; Budaj, Andrzej; Cornel, Jan H; Himmelmann, Anders; James, Stefan K; Siegbahn, Agneta; Storey, Robert F; Kontny, Frederic; Aukrust, Pål; Wallentin, Lars (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-11-29)
      <p><i>Background and aims - </i>Activated leukocyte cell adhesion molecule (ALCAM) is upregulated during inflammation and involved in transmigration of leukocytes and T-cell activation. We hypothesized that ALCAM might be associated with recurrent events in patients with acute coronary syndromes (ACS). <p><i>Methods - </i>ALCAM was measured in serum obtained on admission, at discharge, 1 month and ...
    • Associations between circulating endostatin levels and vascular organ damage in systemic sclerosis and mixed connective tissue disease: an observational study 

      Reiseter, Silje; Molberg, Øyvind; Gunnarsson, Ragnar; Lund, May Brit; Aaløkken, Trond Mogens; Aukrust, Pål; Ueland, Thor; Garen, Torhild; Brunborg, Cathrine; Michelsen, Annika; Abraityte, Aurelija; Hoffmann-Vold, Anna-Maria (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-08-28)
      Introduction: Systemic sclerosis (SSc) and mixed connective tissue disease (MCTD) are chronic immune-mediated disorders complicated by vascular organ damage. The aim of this study was to examine the serum levels of the markers of neoangiogenesis: endostatin and vascular endothelial growth factor (VEGF), in our unselected cohorts of SSc and MCTD. Methods: Sera of SSc patients (N = 298) and MCTD ...
    • Circulating delta-like Notch ligand 1 is correlated with cardiac allograft vasculopathy and suppressed in heart transplant recipients on everolimus-based immunosuppression 

      Norum, Hilde Margrethe; Michelsen, Annika; Lekva, Tove; Arora, Satish; Otterdal, Kari; Olsen, Maria Belland; Kong, Xiang Yi; Gude, Einar; Andreassen, Arne K.; Solbu, Dag; Karason, Kristjan; Dellgren, Göran; Gullestad, Lars; Aukrust, Pål; Ueland, Thor (Journal article; Tidsskriftartikkel, 2018-10-12)
      Cardiac allograft vasculopathy (CAV) causes heart failure after heart transplantation (HTx), but its pathogenesis is incompletely understood. Notch signaling, possibly modulated by everolimus (EVR), is essential for processes involved in CAV. We hypothesized that circulating Notch ligands would be dysregulated after HTx. We studied circulating delta‐like Notch ligand 1 (DLL1) and periostin (POSTN) ...
    • Elevated cholesteryl ester transfer protein activity early in pregnancy predicts prediabetes 5 years later 

      Ueland, Thor; Roland, Marie Cecilie; Michelsen, Annika; Godang, Kristin; Aukrust, Pål; Henriksen, Tore; Bollerslev, Jens; Lekva, Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-10-29)
      <i>Context</i> - Cholesteryl ester transfer protein (CETP) regulates high-density lipoprotein (HDL) cholesterol levels and interaction between glucose, and HDL metabolism is central in the development of diabetes.<p> <p><i>Objective</i> - We hypothesized that CETP levels would be regulated in diabetic pregnancies. We tested the hypothesis by evaluating CETP activity measured multiple times during ...
    • 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; Tidsskriftartikkel; Peer reviewed, 2020-09-25)
      <i>Background</i> - 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 system, as well as inflammatory mechanisms have been suggested to play a role. ACE2 is abundant in the gut and associated with gut microbiota composition. We ...
    • Elevated plasma sTIM-3 levels in patients with severe COVID-19 

      Ueland, Thor; Heggelund, Lars; Lind, Andreas; Holten, Aleksander Rygh; Tonby, Kristian; Michelsen, Annika; Jenum, Synne; Jørgensen, Marthe Jøntvedt; Barratt-Due, Andreas; Skeie, Linda Gail; Nordøy, Ingvild; Aanensen Fraz, Mai Sasaki; Paulsen, Else Quist; Pischke, Soeren; Johal, Simreen Kaur; Hesstvedt, Liv; Bogen, Mette; Fevang, Børre; Halvorsen, Bente; Müller, Fredrik; Bekken, Gry Kloumann; Mollnes, Tom Eirik; Dudman, Susanne Gjeruldsen; Aukrust, Pål; Dyrhol-Riise, Anne Ma; Holter, Jan Cato (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-09-21)
      <i>Background</i> - The pathogenesis of coronavirus disease 2019 (COVID-19) is still incompletely understood, but it seems to involve immune activation and immune dysregulation.<p> <p><i>Objective</i> - We examined the parameters of activation of different leukocyte subsets in COVID-19–infected patients in relation to disease severity.<p> <p><i>Methods</i> - We analyzed plasma levels of ...
    • Exploring the potential effect of paricalcitol on markers of inflammation in de novo renal transplant recipients 

      Pihlstrøm, Hege; Ueland, Thor; Michelsen, Annika; Aukrust, Pål; Gatti, Francesca; Hammarström, Clara Louise; Kasprzycka, Monika; Wang, Junbai; Haraldsen, Guttorm; Mjøen, Geir; Dahle, Dag Olav; Midtvedt, Karsten; Eide, Ivar Anders; Hartmann, Anders; Holdaas, Hallvard (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-16)
      Following a successful renal transplantation circulating markers of inflammation may remain elevated, and systemic inflammation is associated with worse clinical outcome in renal transplant recipients (RTRs). Vitamin D-receptor (VDR) activation is postulated to modulate inflammation and endothelial function. We aimed to explore if a synthetic vitamin D, paricalcitol, could influence systemic ...
    • 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> ...
    • Increased complement factor B and Bb levels are associated with mortality in patients with severe aortic stenosis 

      Shahini, Negar; Ueland, Thor; Auensen, Andreas; Michelsen, Annika; Ludviksen, Judith K; Hussain, Amjad Iqbal; Pettersen, Kjell; Aakhus, Svend; Espeland, Torvald; Lunde, Ida Gjervold; Kirschfink, Michael; Nilsson, Per; Mollnes, Tom Eirik; Gullestad, Lars; Aukrust, Pål; Yndestad, Arne; Louwe, Maria Cornelia (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-09-24)
      Inflammation is involved in initiation and progression of aortic stenosis (AS). However, the role of the complement system, a crucial component of innate immunity in AS, is unclear. We hypothesized that circulating levels of complement factor B (FB), an important component of the alternative pathway, are upregulated and could predict outcome in patients with severe symptomatic AS. Therefore, plasma ...
    • Inflammatory biomarkers are associated with aetiology and predict outcomes in community-acquired pneumonia: Results of a 5-year follow-up cohort study 

      Siljan, William Ward; Holter, Jan Cato; Michelsen, Annika; Nymo, Stig Haugset; Lauritzen, Trine; Oppen, Kjersti; Husebye, Einar; Ueland, Thor; Mollnes, Tom Eirik; Aukrust, Pål; Heggelund, Lars (Journal article; Peer reviewed, 2019)
      <b>Background</b><br> Biomarkers may facilitate clinical decisions in order to guide antimicrobial treatment and prediction of prognosis in community-acquired pneumonia (CAP). We measured serum C-reactive protein, procalcitonin (PCT) and calprotectin levels, and plasma pentraxin 3 (PTX3) and presepsin levels, along with whole-blood white cell counts, at three time-points, and examined their association ...
    • Legumain in Acute Coronary Syndromes: A Substudy of the PLATO (Platelet Inhibition and Patient Outcomes) Trial 

      Gregersen, Ida; Michelsen, Annika; Lunde, Ngoc Nguyen; Åkerblom, Axel; Lakic, Tatevik G.; Skjelland, Mona; Skagen, Karolina Ryeng; Becker, Richard C.; Lindbäck, Johan; Himmelmann, Anders; Solberg, Rigmor; Johansen, Harald Thidemann; James, Stefan K.; Siegbahn, Agneta; Storey, Robert F.; Kontny, Frederic; Aukrust, Pål; Ueland, Thor; Wallentin, Lars; Halvorsen, Bente (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-08-15)
      <i>Background</i> - The cysteine protease legumain is increased in patients with atherosclerosis, but its causal role in atherogenesis and cardiovascular disease is still unclear. The aim of the study was to investigate the association of legumain with clinical outcome in a large cohort of patients with acute coronary syndrome.<p><p> <i>Methods and Results</i> - Serum levels of legumain were ...
    • Legumain is upregulated in acute cardiovascular events and associated with improved outcome – potentially related to anti-inflammatory effects on macrophages 

      Lunde, Ngoc Dieu Nguyen; Gregersen, Ida; Ueland, Thor; Shetelig, Christian; Holm, Sverre; Kong, Xiang Yi; Michelsen, Annika; Otterdal, Kari; Yndestad, Arne; Broch, Kaspar; Gullestad, Lars; Nyman, Tuula Anneli; Bendz, Bjørn; Eritsland, Jan; Hoffmann, Pavel; Skagen, Karolina Ryeng; Gonçalves, Isabel; Nilsson, Jan; Grenegård, Magnus; Poreba, Marcin; Drag, Marcin; Seljeflot, Ingebjørg; Sporsheim, Bjørnar; Espevik, Terje; Skjelland, Mona; Johansen, Harald Thidemann; Solberg, Rigmor; Aukrust, Pål; Björbacka, Harry; Andersen, Geir Øystein; Halvorsen, Bente (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-12-14)
      <i>Background and aims</i> - We have previously found increased levels of the cysteine protease legumain in plasma and plaques from patients with carotid atherosclerosis. This study further investigated legumain during acute cardiovascular events.<p><p> <i>Methods</i> - Circulating levels of legumain from patients and legumain released from platelets were assessed by enzyme-linked-immunosorbent ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Pentraxin-3 vs C-reactive Protein and Other Prognostic Biomarkers in Acute Coronary Syndrome: A Substudy of the Platelet Inhibition and Patients Outcomes (PLATO) Trial 

      Kontny, Frederic; Andersen, Thomas; Ueland, Thor; Åkerblom, Axel; Lakic, Tatevik G.; Michelsen, Annika; Aukrust, Pål; Bertilsson, Maria; Becker, Richard C.; Himmelmann, Anders; James, Stefan K.; Siegbahn, Agneta; Storey, Robert F.; Wallentin, Lars (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-04-24)
      <i>Aims</i>: We investigated the dynamics, associations with patient characteristics, other biomarkers, and clinical outcomes of pentraxin 3 in acute coronary syndrome.<p><p> <i>Methods and results</i>: In multivariate analyses, pentraxin 3 measured in 5154 patients randomised in the Platelet Inhibition and Patients Outcomes (PLATO) trial (NCT00391872) was compared with leukocytes, high-sensitivity ...
    • 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, Aase; Michelsen, Annika; Patel, Sam; Gregersen, Ida; Sagen, Ellen Lund; Halvorsen, Bente; Yndestad, Arne; Ueland, Thor; Langeland, Nina; Aukrust, Pål (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-01-21)
      <i>Background</i> - 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 cytokine exerting both inflammatory and anti-inflammatory effects, but data on IL-27 in malaria patients are scarce.<p><p> <i>Methods</i> - Clinical data and blood samples ...
    • 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 (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-17)
      Common variable immunodeficiency (CVID) patients have reduced gut microbial diversity compared to healthy controls. The reduced diversity is associated with gut leakage, increased systemic inflammation and ten “key” bacteria that capture the gut dysbiosis (dysbiosis index) in CVID. Rifaximin is a broad-spectrum non-absorbable antibiotic known to reduce gut leakage (lipopolysaccharides, LPS) in liver ...
    • Secreted wnt antagonists in scrub typhus 

      Ueland, Thor; Astrup, Elisabeth; Otterdal, Kari; Lekva, Tove; Janardhanan, Jeshina; Prakash, John A.; Thomas, Kurien; Michelsen, Annika; Aukrust, Pål; Varghese, George M.; Damås, Jan Kristian (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-04-29)
      Background - The mechanisms that control local and systemic inflammation in scrub typhus have only been partially elucidated. The wingless (Wnt) signaling pathways are emerging as important regulators of inflammation and infection, but have not been investigated in scrub typhus. <p> <p>Methodology/Principal findings - Plasma levels of secreted Wnt antagonists (i.e. DKK-1, sFRP-3, WIF-1 and SOST) ...