Browsing NTNU Open by Author "Mollnes, Tom Eirik"

Now showing items 21-40 of 161

    • Changes in cytokines during treatment of elderly, hospitalized psychiatric patients - a naturalistic study 

      Bugge, Erlend; Wynn, Rolf; Mollnes, Tom Eirik; Reitan, Solveig Merete Klæbo; Lapid, Maria; Grønli, Ole Kristian (Journal article; Peer reviewed, 2019)
      Immunological abnormalities have been demonstrated in several psychiatric disorders. Predominantly, studies have focused on younger adults, and research on elderly psychiatric in-patients is scant. In this naturalistic ...

    • Chimeric Anti-CD14 IGG2/4 Hybrid Antibodies for Therapeutic Intervention in Pig and Human Models of Inflammation 

      Lau, Corinna; Gunnarsen, Kristin Støen; Høydahl, Lene Støkken; Andersen, Jan Terje; Berntzen, Gøril; Pharo, Anne Margrethe; Lindstad, Julie Katrine; Ludviksen, Judith K; Brekke, Ole Lars; Barratt-Due, Andreas; Nielsen, Erik Waage; Stokes, Christopher R.; Espevik, Terje; Sandlie, Inger; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2013)
      CD14 is a key recognition molecule of innate immune responses, interacting with several TLRs. TLR signaling cross-talks extensively with the complement system, and combined CD14 and complement inhibition has been proved ...

    • Choice of immunoassay to evaluate porcine cytokine levels 

      Ueland, Nora Lamark; Ludvigsen, Judith K.; Hellerud, Bernt C; Mollnes, Tom Eirik; Skjeflo, Espen Waage (Peer reviewed; Journal article, 2020)
      Background In order to adequately monitor cytokines in experimental models, currently available methods and commercially available kits should be compared. Aim To compare the plasma and tissue concentrations of IL-1β, ...

    • Cholesterol crystal-induced endothelial cell activation is complement-dependent and mediated by TNF 

      Nymo, Stig Haugset; Niyonzima, Nathalie; Espevik, Terje; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2014)
      Cholesterol crystals are known to be a hallmark of atherosclerosis with recent studies demonstrating deposition of these crystals in early fatty streak formation as well as penetrating the intima following plaque rupture. ...

    • Cholesterol crystals activate the lectin complement pathway via ficolin-2 and mannose-binding lectin: Implications for the progression of atherosclerosis 

      Pilely, Katrine; Rosbjerg, Anne; Genster, Ninette; Gál, Peter; Pál, Gábor; Halvorsen, Bente; Holm, Sverre; Aukrust, Pål; Bakke, Siril Skaret; Sporsheim, Bjørnar; Nervik, Ingunn; Niyonzima, Nathalie; Bartels, Emil D.; Stahl, Gregory L.; Mollnes, Tom Eirik; Espevik, Terje; Garred, Peter (Journal article, 2016)
      Cholesterol crystals (CC) play an essential role in the formation of atherosclerotic plaques. CC activate the classical and the alternative complement pathways, but the role of the lectin pathway is unknown. We hypothesized ...

    • Cholesterol Crystals Induce coagulation Activation through Complement-Dependent Expression of Monocytic Tissue Factor 

      Gravastrand, Caroline S.; Steinkjer, Bjørg; Halvorsen, Bente; Landsem, Anne; Skjelland, Mona; Jacobsen, Eva Astrid; Woodruff, Trent M.; Lambris, John D.; Mollnes, Tom Eirik; Brekke, Ole-Lars; Espevik, Terje; Rokstad, Anne Mari (Journal article; Peer reviewed, 2019)
      Cholesterol crystals (CC) are strong activators of complement and could potentially be involved in thromboinflammation through complement-coagulation cross-talk. To explore the coagulation-inducing potential of CC, we ...

    • Cholesterol crystals use complement to increase NLRP3 signaling pathways in coronary and carotid atherosclerosis 

      Niyonzima, Nathalie; Bakke, Siril S.; Gregersen, Ida; Holm, Sverre; Sandanger, Øystein; Orrem, Hilde Lang; Sporsheim, Bjørnar; Ryan, Liv; Kong, Xiang Yi; Dahl, Tuva Børresdatter; Skjelland, Mona; Sørensen, Kirsten; Rokstad, Anne Mari A.; Yndestad, Arne; Latz, Eicke; Gullestad, Lars; Andersen, Geir Øystein; Damås, Jan Kristian; Aukrust, Pål; Mollnes, Tom Eirik; Halvorsen, Bente; Espevik, Terje (Peer reviewed; Journal article, 2020)
      Background: During atherogenesis, cholesterol precipitates into cholesterol crystals (CC) in the vessel wall, which trigger plaque inflammation by activating the NACHT, LRR and PYD domains-containing protein 3 (NLRP3) ...

    • Combined blockade of complement C5 and TLR co-receptor CD14 synergistically inhibits pig-to-human corneal xenograft induced innate inflammatory responses 

      Islam, Rakibul; Islam, Mohammad Mirazul; Nilsson, Per H.; Mohlin, Camilla; Hagen, Kjersti Thorvaldsen; Paschalis, Eleftherios I.; Woods, Russell L.; Bhowmick, Sabuj Chandra; Dohlman, Claes H.; Espevik, Terje; Chodosh, James; Gonzalez-Andrades, Miguel; Mollnes, Tom Eirik (Peer reviewed; Journal article, 2021)
      Inadequate supplies of donor corneas have evoked an escalating interest in corneal xenotransplantation. However, innate immune responses contribute significantly to the mechanism of xenograft rejection. We hypothesized ...

    • Combined Inhibition of C5 and CD14 Attenuates Systemic Inflammation in a Piglet Model of Meconium Aspiration Syndrome 

      Thomas, Anub Mathew; Schjalm, Camilla; Nilsson, Per; Lindenskov, Paal Helge H.; Rørtveit, Runa; Solberg, Rønnaug; Saugstad, Ola Didrik; Berglund, Magnus M.; Strömberg, Patrik; Lau, Corinna; Espevik, Terje; Jansen, Johan Høgset; Castellheim, Albert; Mollnes, Tom Eirik; Barratt-Due, Andreas (Journal article; Peer reviewed, 2018)
      Background: Meconium aspiration syndrome (MAS) is a severe lung condition affecting newborns and it can lead to a systemic inflammatory response. We previously documented complement activation and cytokine release in a ...

    • Combined inhibition of C5 and CD14 efficiently attenuated the inflammatory response in a porcine model of meningococcal sepsis 

      Hellerud, Bernt C; Orrem, Hilde L.; Dybwik, Knut Gustav; Pischke, Søren Erik; Barratt-Due, Andreas; Castellheim, Albert; Fure, Hilde; Bergseth, Grete; Christiansen, Dorte; Nunn, Miles A.; Espevik, Terje; Lau, Corinna; Brandtzæg, Petter; Nielsen, Erik Waage; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2017)
      Background Fulminant meningococcal sepsis, characterized by overwhelming innate immune activation, mostly affects young people and causes high mortality. This study aimed to investigate the effect of targeting two key ...

    • Combined inhibition of complement and CD14 attenuates bacteria-induced inflammation in human whole blood more efficiently than antagonizing the toll-like receptor 4-MD2 complex 

      Gustavsen, Alice; Nymo, Stig Haugset; Landsem, Anne; Christiansen, Dorte; Ryan, Liv; Husebye, Harald; Lau, Corinna; Pischke, Søren Erik; Lambris, John D.; Espevik, Terje; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2016)
      Background. Single inhibition of the Toll-like receptor 4 (TLR4)–MD2 complex failed in treatment of sepsis. CD14 is a coreceptor for several TLRs, including TLR4 and TLR2. The aim of this study was to investigate the effect ...

    • Combined inhibition of complement and CD14 improved outcome in porcine polymicrobial sepsis 

      Skjeflo, Espen Waage; Sagatun, Caroline; Dybwik, Knut; Aam, Sturla; Urving, Sven Haakon; Nunn, Miles A.; Fure, Hilde; Lau, Corinna; Brekke, Ole Lars; Huber-Lang, Markus; Espevik, Terje; Barratt-Due, Andreas; Nielsen, Erik Waage; Mollnes, Tom Eirik (Peer reviewed; Journal article, 2015)
      Introduction Sepsis is an exaggerated and dysfunctional immune response to infection. Activation of innate immunity recognition systems including complement and the Toll-like receptor family initiate this disproportionate ...

    • Complement activation by cholesterol crystals triggers a subsequent cytokine response 

      Niyonzima, Nathalie; Halvorsen, Bente; Sporsheim, Bjørnar; Garred, Peter; Aukrust, Pål; Mollnes, Tom Eirik; Espevik, Terje (Journal article; Peer reviewed, 2017)
      In the host a diverse collection of endogenous danger signals is constantly generated consisting of waste material as protein aggregates or crystalline materials that are recognized and handled by soluble pattern recognition ...

    • Complement Activation in 22q11.2 Deletion Syndrome 

      Grinde, Dina; Øverland, Torstein; Lima, Kari; Schjalm, Camilla; Mollnes, Tom Eirik; Abrahamsen, Tore G (Peer reviewed; Journal article, 2020)
      The 22q11.2 deletion syndrome (22q11.2 del), also known as DiGeorge syndrome, is a genetic disorder with an estimated incidence of 1:3000 to 1:6000 births. These patients may suffer from affection of many organ systems ...

    • Complement activation is a crucial pathogenic factor in catastrophic antiphospholipid syndrome. 

      Barratt-Due, Andreas; Fløisand, Yngvar; Lang, Hilde Elisabeth; Kvam, Ann Kristin; Holme, Pål Andre; Bergseth, Grete; Tjønnfjord, Geir Erland; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2016)

    • Complement activation is associated with poor outcome after out-of-hospital cardiac arrest 

      Chaban, Viktoriia; Nakstad, Espen R.; Stær-Jensen, Henrik; Schjalm, Camilla; Seljeflot, Ingebjørg; Vaage, Ingvar Jarle; Lundqvist, Christofer; Saltyte Benth, Jurate; Sunde, Kjetil; Mollnes, Tom Eirik; Andersen, Geir Øystein; Pischke, Soeren (Peer reviewed; Journal article, 2021)
      Background Cardiopulmonary resuscitation after cardiac arrest initiates a whole-body ischemia-reperfusion injury, which may activate the innate immune system, including the complement system. We hypothesized that complement ...

    • Complement C3b contributes to Escherichia coli-induced platelet aggregation in human whole blood 

      Landsem, Anne; Emblem, Åse; Lau, Corinna; Christiansen, Dorte; Gerogianni, Alexandra; Karlsen, Bård Ove; Mollnes, Tom Eirik; Nilsson, Per; Brekke, Ole Lars (Journal article; Peer reviewed, 2022)

    • A complement C3–Specific nanobody for modulation of the alternative cascade identifies the C-Terminal domain of C3b as functional in C5 convertase activity 

      Pedersen, Henrik; Jensen, Rasmus K.; Jensen, Jens Magnus B.; Fox, Rachel; Pedersen, Dennis V.; Olesen, Heidi G.; Hansen, Annette G.; Christiansen, Dorte; Mazarakis, Sofia M.M.; Lojek, Neal; Hansen, Pernille; Gadeberg, Trine A.F.; Zarantonello, Alessandra; Laursen, Nick S.; Mollnes, Tom Eirik; Johnson, Matthew B.; Stevens, Beth; Thiel, Steffen; Andersen, Gregers R. (Peer reviewed; Journal article, 2020)
      The complement system is an intricate cascade of the innate immune system and plays a key role in microbial defense, inflammation, organ development, and tissue regeneration. There is increasing interest in developing ...

    • Complement component 5 does not interfere with physiological hemostasis but is essential for Escherichia coli-induced coagulation accompanied by Toll-like receptor 4. 

      Landsem, Anne; Fure, Hilde; Ludviksen, Judith K; Christiansen, Dorte; Lau, Corinna; Mathisen, Monica Dammen; Bergseth, Grete; Nymo, Stig Haugset; Lappegård, Knut Tore; Woodruff, T. M.; Espevik, Terje; Mollnes, Tom Eirik; Brekke, Ole-Lars (Journal article; Peer reviewed, 2018)
      There is a close cross‐talk between complement, Toll‐like receptors (TLRs) and coagulation. The role of the central complement component 5 (C5) in physiological and pathophysiological hemostasis has not, however, been fully ...

    • Complement component C3 and the TLR co-receptor CD14 are not involved in angiotensin II induced cardiac remodelling 

      Shahini, Negar; Schjalm, Camilla; Nilsson, Per; Holt, Margrethe Flesvig; Øgaard, Jonas; Lien, Egil; Ahmed, Muhammad Shakil; Attramadal, Håvard; Aukrust, Pål; Yndestad, Arne; Mollnes, Tom Eirik; Louwe, Mieke C. (Peer reviewed; Journal article, 2020)
      Inflammation is centrally involved in the development of cardiac hypertrophy and the processes of remodelling. The complement system and Toll-like receptor (TLR) family, two upstream arms of the innate immune system, have ...