• Association of body mass index with COVID-19 related in-hospital death 

      Bouziotis, Jason; Arvanitakis, Marianna; Preiser, Jean-Charles; Abbas, Ali; Abdukahil, Sheryl Ann; Abdulkadir, Nurul Najmee; Abe, Ryuzo; Abel, Laurent; Absil, Lara; Acharya, Subhash; Acker, Andrew; Adachi, Shingo; Adam, Elisabeth; Adrião, Diana; Al Ageel, Saleh; Ahmed, Shakeel; Ain, Quratul; Ainscough, Kate; Aisa, Tharwat; Berdal, Jan-Erik; Dudman, Susanne Gjeruldsen; Dyrhol-Riise, Anne Ma; Skeie, Linda Gail; Heggelund, Lars; Hesstvedt, Liv; Holter, Jan Cato; Jenum, Synne; Johal, Simreen Kaur; Kildal, Anders Benjamin; Bekken, Gry Klouman; Lind, Andreas; Müller, Fredrik; Muller, Karl Erik; Pettersen, Frank O.; Paulsen, Else Quist; Reikvam, Dag Henrik; Holten, Aleksander Rygh; Skogen, Vegard; Stiksrud, Birgitte; Tonby, Kristian (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-01-29)
      Background: Patients with extreme body mass indices (BMI) could have an increased risk of death while hospitalized for COVID-19.<p> <p>Methods: The database of the International Severe Acute Respiratory and Emerging Infection Consortium (ISARIC) was used to assess the time to in-hospital death with competing-risks regression by sex and between the categories of BMI. <p>Results: Data from 12,137 ...
    • Asymptomatisk covid-19 med usikre testresultater 

      Norheim, Arne Johan; Lind, Andreas; Taxt, Arne Michael; Nakstad, Espen Rostrup; Borud, Einar Kristian; Waldow, Thomas (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-14)
      Testing for SARS-CoV-2 ved bruk av PCR- og antistofftester gir et betydelig bidrag i bekjempelsen av covid-19-pandemien. Denne kasuistikken belyser en situasjon der PCRtesting for SARS-CoV-2 reiste flere spørsmål enn testen kunne besvare.
    • Breakthrough infections with the omicron and delta variants of SARS-CoV-2 result in similar re-activation of vaccine-induced immunity 

      Søraas, Arne Vasli; Grødeland, Gunnveig; Granerud, Beathe Kiland; Ueland, Thor; Lind, Andreas; Fevang, Børre; Murphy, Sarah Louise Mikalsen; Huse, Camilla; Nygaard, Anders Benteson; Steffensen, Anne Katrine; Al-Baldawi, Huda; Holberg-Petersen, Mona; Andresen, Lise Lima; Ågnes, Camilla; Ranheim, Trine; Schanke, Ylva; Istre, Mette Stausland; Dahl, John Arne; Chopra, Adity; Dudman, Susanne; Kaarbø, Mari; Andersen, Jan Terje; Vaage, Eline Benno; Tran, Trung The; Vaage, John Torgils; Michelsen, Annika Elisabet; Müller, Fredrik; Aukrust, Pål; Halvorsen, Bente Evy; Dahl, Tuva Børresdatter; Holter, Jan Cato; Lund-Johansen, Fridtjof (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-08)
      Background: Results showing that sera from double vaccinated individuals have minimal neutralizing activity against Omicron have been interpreted as indicating the need for a third vaccine dose for protection. However, there is little information about early immune responses to Omicron infection in double vaccinated individuals.<p> <p>Methods: We measured inflammatory mediators, antibodies to the ...
    • Circulating markers of extracellular matrix remodelling in severe COVID-19 patients 

      Murphy, Sarah Louise Mikalsen; Halvorsen, Bente; Holter, Jan Cato; Huse, Camilla; Tveita, Anders; Trøseid, Marius; Hoel, Hedda; Kildal, Anders Benjamin; Holten, Aleksander Rygh; Lerum, Tøri Vigeland; Skjønsberg, Ole Henning; Michelsen, Annika Elisabet; Aaløkken, Trond Mogens; Tonby, Kristian; Lind, Andreas; Dudman, Susanne Gjeruldsen; Granerud, Beathe Kiland; Heggelund, Lars; Bøe, Simen; Dyrholt-Riise, Anne Ma; Aukrust, Pål; Barratt-Due, Andreas; Ueland, Thor; Dahl, Tuva Børresdatter (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-09-17)
      Background Abnormal remodelling of the extracellular matrix (ECM) has generally been linked to pulmonary inflammation and fibrosis and may also play a role in the pathogenesis of severe COVID-19. To further elucidate the role of ECM remodelling and excessive fibrogenesis in severe COVID-19, we examined circulating levels of mediators involved in various aspects of these processes in COVID-19 ...
    • Detailed stratified GWAS analysis for severe COVID-19 in four European populations 

      Ellinghaus, David; Degenhardt, Frauke; Juzenas, Simonas; Lerga-Jaso, Jon; Wendorff, Mareike; Maya-Miles, Douglas; Uellendahl-Werth, Florian; ElAbd, Hesham; Lenning, Ole Bernt; Myhre, Ronny; Vadla, May Sissel; Holten, Aleksander Rygh; Kildal, Anders Benjamin; Lind, Andreas; Dyrhol-Riise, Anne Ma; Hoff, Dag Arne Lihaug; Müller, Fredrik; Solligård, Erik; Holter, Jan Cato; Afset, Jan Egil; Damås, Jan Kristian; Bergan, Jonas; Risnes, Kari; Muller, Karl Erik; Tonby, Kristian; Heggelund, Lars; Tuset Gustad, Trine; Grimsrud, Marit Mæhle; Dudman, Susanne Gjeruldsen; Folseraas, Trine; Skogen, Vegard; Hov, Johannes Espolin Roksund; Karlsen, Tom Hemming (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-15)
      Given the highly variable clinical phenotype of Coronavirus disease 2019 (COVID-19), a deeper analysis of the host genetic contribution to severe COVID-19 is important to improve our understanding of underlying disease mechanisms. Here, we describe an extended GWAS meta-analysis of a well-characterized cohort of 3255 COVID-19 patients with respiratory failure and 12 488 population controls from ...
    • 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 ...
    • 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 ...
    • 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; Tidsskriftartikkel; Peer reviewed, 2020-12-10)
      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 investigated their association with respiratory failure (RF) and treatment in Intensive Care Unit (ICU). Hospitalized patients (n = 34) with confirmed COVID-19 were recruited into a ...
    • Mapping the human genetic architecture of COVID-19 

      Niemi, Mari E.K.; Karjalainen, Juha; Liao, Rachel G.; Neale, Benjamin M.; Daly, Mark; Ganna, Andrea; Pathak, Gita A.; Andrews, Shea J.; Kanai, Masahiro; Veerapen, Kumar; Fernandez-Cadenas, Israel; Schulte, Eva C.; Striano, Pasquale; Afset, Jan Egil; Solligård, Erik; Damås, Jan Kristian; Risnes, Kari; Bettini, Laura Rachele; Gustad, Lise Tuset; Holter, Jan Cato; Hov, Johannes Espolin Roksund; Karlsen, Tom Hemming; Folseraas, Trine; Holten, Aleksander Rygh; Dyrhol-Riise, Anne Ma; Tonby, Kristian; Lind, Andreas; Müller, Fredrik; Dudman, Susanne Gjeruldsen; Grimsrud, Marit Mæhle; Vadla, May Sissel; Myhre, Ronny; Kildal, Anders Benjamin; Hoff, Dag Arne Lihaug; Muller, Karl Erik; Heggelund, Lars; Bergan, Jonas; Skogen, Vegard (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-08)
      The genetic make-up of an individual contributes to the susceptibility and response to viral infection. Although environmental, clinical and social factors have a role in the chance of exposure to SARS-CoV-2 and the severity of COVID-191,2, host genetics may also be important. Identifying host-specific genetic factors may reveal biological mechanisms of therapeutic relevance and clarify causal ...
    • Omicron Variant Generates a Higher and More Sustained Viral Load in Nasopharynx and Saliva Than the Delta Variant of SARS-CoV-2 

      Granerud, Beathe Kiland; Ueland, Thor; Lind, Andreas; Søraas, Arne Vasli; Fevang, Børre; Steffensen, Anne Katrine; Al-Baldawi, Huda; Lund-Johansen, Fridtjof; Aukrust, Pål; Halvorsen, Bente Evy; Dahl, Tuva Børresdatter; Dudman, Susanne; Müller, Fredrik; Holter, Jan Cato (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-31)
      The Omicron variant of SARS-CoV-2 spreads more easily than earlier variants, possibly as a result of a higher viral load in the upper respiratory tract and oral cavity. Hence, we investigated whether the Omicron variant generates a higher viral load than that of the Delta variant in saliva and nasopharynx. Both specimens were collected from 52 Omicron and 17 Delta cases at two time points one week ...
    • A parameter for IL-10 and TGF-β mediated regulation of HIV-1 specific T cell activation provides novel information and relates to progression markers 

      Lind, Andreas; Brekke, Kristin; Pettersen, Frank Olav; Mollnes, Tom Eirik; Trøseid, Marius; Kvale, Dag (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
    • SARS-CoV-2 Nsp13 encodes for an HLA-E-stabilizing peptide that abrogates inhibition of NKG2A-expressing NK cells 

      Hammer, Quirin; Dunst, Josefine; Christ, Wanda; Picarazzi, Francesca; Wendorff, Mareike; Momayyezi, Pouria; Huhn, Oisín; Netskar, Herman Krogstad; Maleki, Kimia T.; García, Marina; Sekine, Takuya; Sohlberg, Ebba; Azzimato, Valerio; Aouadi, Myriam; Holten, Aleksander Rygh; Kildal, Anders Benjamin; Lind, Andreas; Dyrhol-Riise, Anne Ma; Hoff, Dag Arne Lihaug; Solligård, Erik; Holter, Jan Cato; Afset, Jan Egil; Damås, Jan Kristian; Hov, Johannes Espolin Roksund; Bergan, Jonas; Risnes, Kari; Muller, Karl Erik; Tonby, Kristian; Heggelund, Lars; Gustad, Lise Tuset; Grimsrud, Marit Mæhle; Vadla, May Sissel; Lenning, Ole Bernt; Myhre, Ronny; Haider, Sammra; Dudman, Susanne Gjeruldsen; Karlsen, Tom Hemming; Folseraas, Trine; Skogen, Vegard; Degenhardt, Frauke; Franke, Andre; Spallotta, Francesco; Mori, Mattia; Michaëlsson, Jakob; Björkström, Niklas K.; Rückert, Timo; Romagnani, Chiara; Horowitz, Amir; Klingström, Jonas; Ljunggren, Hans-Gustaf; Malmberg, Karl-Johan (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-21)
      Natural killer (NK) cells are innate immune cells that contribute to host defense against virus infections. NK cells respond to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in vitro and are activated in patients with acute coronavirus disease 2019 (COVID-19). However, by which mechanisms NK cells detect SARS-CoV-2-infected cells remains largely unknown. Here, we show that the ...
    • Severe acute respiratory syndrome coronavirus 2 prevalence in 1170 asymptomatic Norwegian conscripts 

      Borud, Einar Kristian; Nakstad, Espen Rostrup; Håberg, Siri Eldevik; Lind, Andreas; Fadum, Elin Anita; Taxt, Arne Michael; Steens, Anneke; Gjein, Gaute Eriksen; Sunde, Magne Wiken; Iversen, Petter; Svanevik, Marius; Ahmad, Babar Mushtaq; Waldow, Thomas; Norheim, Arne Johan (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-01-15)
      <i>Background</i> - Accurate estimates of SARS-CoV-2 infection in different population groups are important for the health authorities. In Norway, public infection control measures have successfully curbed the pandemic. However, military training and service are incompatible with these measures; therefore extended infection control measures were implemented in the Norwegian Armed Forces. We aimed ...
    • Strategimøte 2019 - Mikrobiologisk diagnostikk ved virale CNS-infeksjoner 

      Christensen, Andreas; Lind, Andreas; Kanestrøm, Anita; Tylden, Garth Daryl (Research report; Forskningsrapport, 2021-09)
      I regi av Referansegruppen for ekstern kvalitetssikring i virologi og serologi, ble det den 31.10.2019 holdt strategimøte med temaet «Mikrobiologisk diagnostikk ved virale CNS-infeksjoner» på Gjestehuset, Lovisenberg sykehus i Oslo. Årets strategimøte var en oppdatering av et tidligere strategimøte fra 2002 med samme tittel. Nylig omtalte infeksjoner ble utelatt pga. tidshensyn, deriblant nevroborreliose ...
    • 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; Tidsskriftartikkel; Peer reviewed, 2020-09-17)
      The new SARS-CoV-2 pandemic leads to COVID-19 with respiratory failure, substantial morbidity, and significant mortality. Overactivation of the innate immune response is postulated to trigger this detrimental process. The complement system is a key player in innate immunity. Despite a few reports of local complement activation, there is a lack of evidence that the degree of systemic complement ...