• A Complex Interaction between Rickettsia conorii and Dickkopf-1 - Potential Role in Immune Evasion Mechanisms in Endothelial Cells 

      Astrup, Elisabeth; Lekva, Tove; Davi, Giovanni; Otterdal, Kari; Santilli, Francesca; Øie, Erik; Halvorsen, Bente; Damås, Jan Kristian; Raoult, Didier; Vitale, Giustina; Olano, Juan P; Ueland, Thor; Aukrust, Pål (Journal article; Peer reviewed, 2012)
      The pathophysiological hallmark of spotted fever group rickettsioses comprises vascular inflammation. Based on the emerging importance of the wingless (Wnt) pathways in inflammation and vascular biology, we hypothesized ...
    • Cytokine Network in Scrub Typhus: High Levels of Interleukin-8 Are Associated with Disease Severity and Mortality 

      Astrup, Elisabeth; Janardhanan, J; Otterdal, Kari; Ueland, Thor; Prakash, JAJ; Lekva, Tove; Strand, Øystein Anders; Abraham, OC; Thomas, K; Damås, Jan Kristian; Mathews, P; Mathai, D; Aukrust, Pål; Varghese, GM (Journal article; Peer reviewed, 2014)
      Background: Scrub typhus, caused by Orientia tsutsugamushi, is endemic in the Asia-Pacific region. Mortality is high if untreated, and even with treatment as high as 10–20%, further knowledge of the immune response during ...
    • Elevated Systemic Levels of Markers Reflecting Intestinal Barrier Dysfunction and Inflammasome Activation Are Correlated in Severe Mental Illness 

      Jensen, Søren Beck; Sheikh, Mashhood Ahmed; Akkouh, Ibrahim Ahmed; Szabo, Attila; O'Connell, Kevin Sean; Lekva, Tove; Engh, John; Agartz, Ingrid; Elvsåshagen, Torbjørn; Ormerod, Monica Bettina E. Greenwood; Weibell, Melissa Anne Elin Authen; Johnsen, Erik; Kroken, Rune Andreas; Melle, Ingrid; Drange, Ole Kristian; Nærland, Terje; Vaaler, Arne; Westlye, Lars Tjelta; Aukrust, Pål; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole; Ueland, Thor (Peer reviewed; Journal article, 2022)
      Abstract Background and Hypothesis Gut microbiota alterations have been reported in severe mental illness (SMI) but fewer studies have probed for signs of gut barrier disruption and inflammation. We hypothesized that ...
    • Identifying women with gestational diabetes based on maternal characteristics: an analysis of four Norwegian prospective studies 

      Rai, Anam Shakil; Sletner, Line; Jenum, Anne Karen; Øverby, Nina Cecilie; Stafne, Signe Nilssen; Lekva, Tove; Pripp, Are Hugo; Sagedal, Linda Reme (Journal article; Peer reviewed, 2021)
      Background There is still no worldwide agreement on the best diagnostic thresholds to define gestational diabetes (GDM) or the optimal approach for identifying women with GDM. Should all pregnant women perform an oral ...
    • Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation 

      Szabo, Attila; O’Connell, Kevin; Ueland, Thor; Ahmed, Mashhood Sheikh; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pål; Boye, Birgitte; Bøen, Erlend; Drange, Ole Kristian; Elvsåshagen, Torbjørn; Engh, John Abel; 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; Auten Weibell, Melissa; Westlye, Lars Tjelta; Steen, Nils Eiel; Andreassen, Ole; Djurovic, Srdjan (Peer reviewed; Journal article, 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 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 (Peer reviewed; Journal article, 2021)
      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 ...
    • Multi-ancestry genome-wide association study of gestational diabetes mellitus highlights genetic links with type 2 diabetes 

      Pervjakova, Natalia; Moen, Gunn-Helen Øiseth; Borges, Maria-Carolina; Ferreira, Teresa; Cook, James P.; Allard, Catherine; Beaumont, Robin N.; Canouil, Mickaël; Hatem, Gad; Heiskala, Anni; Joensuu, Anni; Karhunen, Ville; Kwak, Soo Heon; Lin, Frederick T J; Liu, Jun; Rifas-Shiman, Sheryl; Tam, Claudia H.; Tam, Wing Hung; Thorleifsson, Gudmar; Andrew, Toby; Auvinen, Juha; Bhowmik, Bishwajit; Bonnefond, Amélie; Delahaye, Fabien; Demirkan, Ayse; Froguel, Philippe; Haller-Kikkatalo, Kadri; Hardardottir, Hildur; Hummel, Sandra; Hussain, Akhtar; Kajantie, Eero Olavi; Keikkala, Elina; Khamis, Amna; Lahti, Jari; Lekva, Tove; Mustaniemi, Sanna; Sommer, Christine; Tagoma, Aili; Tzala, Evangelia; Uibo, Raivo; Vääräsmäki, Marja; Villa, Pia M.; Birkeland, Kåre Inge; Bouchard, Luigi; Duijn, Cornelia M.; Finer, Sarah; Groop, Leif; Hämäläinen, Esa; Hayes, Geoffrey M.; Hitman, Graham A.; Jang, Hak C.; Järvelin, Marjo-Riitta; Jenum, Anne Karen; Laivuori, Hannele; Ma, Ronald C.; Melander, Olle; Oken, Emily; Park, Kyong Soo; Perron, Patrice; Prasad, Rashmi B.; Qvigstad, Elisabeth; Sebert, Sylvain; Stefansson, Kari; Steinthorsdottir, Valgerdur; Tuomi, Tiinamaija; Hivert, Marie-France; Franks, Paul W.; McCarthy, Mark I.; Lindgren, Cecilia M.; Freathy, Rachel M.; Lawlor, Deborah A.; Morris, Andrew P.; Mägi, Reedik (Peer reviewed; Journal article, 2022)
      Gestational diabetes mellitus (GDM) is associated with increased risk of pregnancy complications and adverse perinatal outcomes. GDM often reoccurs and is associated with increased risk of subsequent diagnosis of type 2 ...
    • Plasma Levels of the Cytokines B Cell-Activating Factor (BAFF) and A Proliferation-Inducing Ligand (APRIL) in Schizophrenia, Bipolar, and Major Depressive Disorder: A Cross Sectional, Multisite Study 

      Engh, John; Ueland, Thor; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pål; Boye, Birgitte; Bøen, Erlend; Drange, Ole Kristian; Elvsåshagen, Torbjørn; 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; Wedervang-Resell, Kirsten; Weibell, Melissa; Westlye, Lars Tjelta; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole (Peer reviewed; Journal article, 2021)
      Background Immune dysfunction has been implicated in the pathogenesis of schizophrenia and other nonaffective psychosis (SCZ), bipolar spectrum disorder (BIP) and major depressive disorder (MDD). The cytokines B cell-activating ...
    • Respiratory dysfunction three months after severe COVID-19 is associated with gut microbiota alterations 

      Vestad, Beate; Ueland, Thor; Lerum, Tøri Vigeland; Dahl, Tuva Børresdatter; Holm, Kristian; Barratt-Due, Andreas; Kåsine, Trine; Dyrhol-Riise, Anne Ma; Stiksrud, Birgitte; Tonby, Kristian; Hoel, Hedda; Olsen, Inge Christoffer; Henriksen, Katerina N.; Tveita, Anders Aune; Manotheepan, Ravinea; Haugli, Mette; Eiken, Ragnhild; Berg, Åse; Halvorsen, Bente; Lekva, Tove; Ranheim, Trine; Michelsen, Annika Elisabeth; Kildal, Anders Benjamin; Johannessen, Asgeir; Thoresen, Lars; Skudal, Hilde Kristin; Kittang, Bård Reiakvam; Olsen, Roy Bjørkholt; Ystrøm, Carl Magnus; Skei, Nina Vibeche; Hannula, Raisa; Aballi, Saad; Kvåle, Reidar; Skjønsberg, Ole Henning; Aukrust, Pål; Hov, Johannes Espolin Roksund; Trøseid, Marius (Peer reviewed; Journal article, 2022)
      Background - Although coronavirus disease 2019 (COVID-19) is primarily a respiratory infection, mounting evidence suggests that the gastrointestinal tract is involved in the disease, with gut barrier dysfunction and gut ...
    • 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; Peer reviewed, 2019)
      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 ...
    • 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 (Peer reviewed; Journal article, 2021)
      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 ...
    • 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 (Peer reviewed; Journal article, 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 ...
    • YKL-40 (Chitinase-3-Like Protein 1) Serum Levels in Aortic Stenosis 

      Arain, Fizza Kanwal; Abraityte, Judita Aurelija; Bogdanova, Mariia; Solberg, Ole Geir; Michelsen, Annika; Lekva, Tove; Aakhus, Svend; Holm, Sverre; Halvorsen, Bente; Finsen, Alexandra; Vinge, Leif Erik; Nymo, Ståle Haugset; Espeland, Torvald; Ranheim, Trine; Aukrust, Pål; Vaage, Ingvar Jarle; Auensen, Andreas; Gullestad, Lars; Ueland, Thor (Peer reviewed; Journal article, 2020)
      BACKGROUND: Identification of novel biomarkers could provide prognostic information and improve risk stratification in patients with aortic stenosis (AS). YKL-40 (chitinase-3-like protein 1), a protein involved in ...