Browsing NTNU Open by Author "Espevik, Terje"

Now showing items 41-60 of 71

    • Mitochondrial C5aR1 activity in macrophages controls IL-1β production underlying sterile inflammation 

      Niyonzima, Nathalie; Rahman, Jubayer; Kunz, Natalie; West, Erin; Freiwald, Tilo; Desai, Jigar V.; Merle, Nicolas; Gidon, Alexandre; Sporsheim, Bjørnar; Lionakis, Michail S.; Evensen, Kristin; Lindberg, Beate; Skagen, Karolina; Skjelland, Mona; Singh, Parul; Haug, Markus; Ruseva, Marieta M.; Kolev, Martin; Bibby, Jack; Marshall, Olivia; O’Brien, Brett; Deeks, Nigel; Afzali, Behdad; Clark, Richard J.; Woodruff, Trent M.; Pryor, Mylton; Yang, Zhi-Hong; Remaley, Alan T.; Mollnes, Tom Eirik; Hewitt, Stephen M.; Yan, Bingyu; Kazemian, Majid; Kiss, Mate G.; Binder, Christoph J.; Halvorsen, Bente; Espevik, Terje; Kemper, Claudia (Peer reviewed; Journal article, 2021)
      While serum-circulating complement destroys invading pathogens, intracellularly active complement, termed the “complosome,” functions as a vital orchestrator of cell-metabolic events underlying T cell effector responses. ...

    • Mucosal toll-like receptor 3-dependent synthesis of complement factor B and systemic complement activation in inflammatory bowel disease 

      Østvik, Ann Elisabet; Granlund, Atle Van Beelen; Gustafsson, Björn; Torp, Sverre Helge; Espevik, Terje; Mollnes, Tom Eirik; Damås, Jan Kristian; Sandvik, Arne Kristian (Journal article, 2014)
      Background: Recent studies link Toll-like receptor 3 (TLR3) to the pathogenesis of inflammatory bowel disease (IBD). Screening TLR3-agonist response in an intestinal epithelial cell line, we found complement factor B mRNA ...

    • Multi-OMICs landscape of SARS-CoV-2-induced host responses in human lung epithelial cells 

      Pinto, Sneha M.; Subbannayya, Yashwanth; Kim, Hera; Hagen, Lars; Górna, Maria W; Nieminen, Anni I.; Bjørås, Magnar; Espevik, Terje; Kaynov, Denis; Kandasamy, Richard Kumaran (Peer reviewed; Journal article, 2022)
      COVID-19 pandemic continues to remain a global health concern owing to the emergence of newer variants. Several multi-Omics studies have produced extensive evidence on host-pathogen interactions and potential therapeutic ...

    • NHDL, a recombinant VL/VH hybrid antibody control for IgG2/4 antibodies. 

      Lau, Corinna; McAdam, MB; Bergseth, G; Grevys, Algirdas; Bruun, JA; Ludviksen, Judith K; Fure, Hilde; Espevik, Terje; Moen, A; Andersen, Jan Terje; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2020)
      The mechanism of action of recombinant IgG2/4 antibodies involves blocking of their target without the induction of effector functions. Examples are eculizumab (Soliris®), which is used clinically to block complement factor ...

    • NLRP3 Inflammasome Expression and Activation in Human Atherosclerosis 

      Varghese, Paramel G; Folkersen, Lasse; Strawbridge, Rona J.; Halvorsen, Bente; Yndestad, Arne; Ranheim, Trine; Krogh-Sørensen, Kristin; Skjelland, Mona; Espevik, Terje; Aukrust, Pål; Lengquist, Mariette; Hedin, Ulf; Jansson, Jan-Håkan; Fransen, Karin; Hansson, Göran K.; Eriksson, Per; Sirsjø, Allan (Journal article; Peer reviewed, 2016)
      Background The NLR family, pyrin domain containing 3 (NLRP3) inflammasome is an interleukin (IL)‐1β and IL‐18 cytokine processing complex that is activated in inflammatory conditions. The role of the NLRP3 inflammasome in ...

    • Novel insights on human-virus interactions through genome-wide approaches 

      Bösl, Korbinian (Doctoral theses at NTNU;2019:113, Doctoral thesis, 2019)
      Virus er en viktig årsak til sykdom og død blant mennesker over hele verden. Symptomer påvirusinfeksjoner spenner fra lett forkjølelse til livstruende sykdomstilstand. Virale patogener som Human Immunodeficiency Virus ...

    • Peptide derived from SLAMF1 prevents TLR4-mediated inflammation in vitro and in vivo 

      Nilsen, Kaja Elisabeth; Zhang, Boyao; Skjesol, Astrid; Ryan, Liv; Vagle, Hilde; Bøe, Maren Helene; Orning, Pontus; Kim, Hera; Bakke, Siril Skaret; Elamurugan, Kirusika; Mestvedt, Ingvild Bergdal; Stenvik, Jørgen; Husebye, Harald; Lien, Egil; Espevik, Terje; Yurchenko, Mariya (Peer reviewed; Journal article, 2023)
      Inflammation plays a crucial role in the development and progression of many diseases, and is often caused by dysregulation of signalling from pattern recognition receptors, such as TLRs. Inhibition of key protein–protein ...

    • Phagocytosis of live and dead Escherichia coli and Staphylococcus aureus in human whole blood is markedly reduced by combined inhibition of C5aR1 and CD14 

      Skjeflo, Espen Waage; Christiansen, Dorte; Landsem, Anne; Stenvik, Jørgen; Woodruff, T. M.; Espevik, Terje; Nielsen, Erik Waage; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2019)
      Background Sepsis is a dysregulated host response to infection. The aim of this study was to investigate the effects of complement- and CD14 inhibition on phagocytosis of live and dead Gram-negative and Gram-positive ...

    • Profiling of immune-related gene expression in children with familial hypercholesterolaemia 

      Narverud, Ingunn; Christensen, Jacob J.; Bakke, Siril Skaret; Ulven, Stine Marie; Rundblad, Amanda; Aukrust, Pål; Espevik, Terje; Bogsrud, Martin Prøven; Retterstøl, Kjetil; Ueland, Thor; Halvorsen, Bente; Holven, Kirsten Bjørklund (Journal article; Peer reviewed, 2019)
      Background Innate and adaptive immune responses are pivotal in atherosclerosis, but their association with early‐stage atherosclerosis in humans is incompletely understood. In this regard, untreated children with familial ...

    • Quantitative atomic force microscopy and light microscopy of hydrogels and cells 

      Sherstova, Tatyana (Doctoral theses at NTNU;2016:343, Doctoral thesis, 2016)
      Quantitative biology is an interdisciplinary subject that combines biology, mathematics and physics. Intimate collaboration on a global scale between these disciplines results in a wide variety of tools and innovation in ...

    • Reconstituted High-Density Lipoprotein Attenuates Cholesterol Crystal-Induced Inflammatory Responses by Reducing Complement Activation 

      Niyonzima, Nathalie; Samstad, Eivind; Aune, Marie Hjelmseth; Ryan, Liv; Bakke, Siril Skaret; Rokstad, Anne Mari; Wright, Samuel; Damås, Jan Kristian; Mollnes, Tom Eirik; Latz, Eicke; Espevik, Terje (Journal article; Peer reviewed, 2015)
      Chronic inflammation of the arterial wall is a key element in the development of atherosclerosis, and cholesterol crystals (CC) that accumulate in plaques are associated with initiation and progression of the disease. We ...

    • Role of CD5L in control of human innate immune function 

      Moharrami, Neda Nejati (Doctoral theses at NTNU;2018:395, Doctoral thesis, 2018)
      Innate immune signaling has numerous ways to sense changes in cellular metabolism to ensure appropriate response to threatening agents. For instance, cholesterol metabolites act as ligands for nuclear receptor transcription ...

    • RORα controls inflammatory state of human macrophages 

      Nejati Moharrami, Neda; Tande, Erlend Bjørkøy; Ryan, Liv; Espevik, Terje; Boyartchuk, Victor (Journal article; Peer reviewed, 2018)
      ROR family of nuclear receptor transcription factors forms nodes connecting metabolic and inflammatory signaling pathways. The RORα members of the family have intrinsic transcriptional activity and they are involved in ...

    • Serum Omega-6 Fatty Acids and Immunology-Related Gene Expression in Peripheral Blood Mononuclear Cells: A Cross-Sectional Analysis in Healthy Children 

      Christensen, Jacob J.; Bakke, Siril Skaret; Ulven, Stine Marie; Retterstøl, Kjetil; Henriksen, Tore; Bollerslev, Jens; Espevik, Terje; Aukrust, Pål; Halvorsen, Bente; Holven, Kirsten Bjørklund (Journal article; Peer reviewed, 2019)
      Scope Some studies suggest that a high dietary intake of omega‐6 fatty acids is pro‐inflammatory. However, whether omega‐6 fatty acids actually cause pathogenic inflammation in humans is debated. Therefore, the associations ...

    • SLAMF1 is required for TLR4-mediated TRAM-TRIF dependent signaling in human macrophages 

      Yurchenko, Mariya; Skjesol, Astrid; Ryan, Liv; Richard, Gabriel Mary; Kandasamy, Richard Kumaran; Wang, Ninghai; Terhorst, Cox; Husebye, Harald; Espevik, Terje (Journal article; Peer reviewed, 2018)
      Signaling lymphocytic activation molecule family 1 (SLAMF1) is an Ig-like receptor and a costimulatory molecule that initiates signal transduction networks in a variety of immune cells. In this study, we report that SLAMF1 ...

    • Staphylococcus aureus-induced complement activation promotes tissue factor-mediated coagulation 

      Skjeflo, Espen Waage; Christiansen, Dorte; Fure, Hilde; Ludviksen, Judith K; Woodruff, Trent M.; Espevik, Terje; Nielsen, Erik Waage; Brekke, Ole-Lars; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2018)
      Background There is extensive cross‐talk between the complement system, the Toll‐like receptors (TLRs), and hemostasis. Consumptive coagulopathy is a hallmark of sepsis, and is often mediated through increased tissue ...

    • Surface Toll-Like Receptor 3 Expression in Metastatic Intestinal Epithelial Cells induces Selective Cytokine Production and Promotes Invasiveness 

      Bugge, Marit; Bergstrøm, Bjarte; Oda Kamilla, Eide; Helene, Solli; Kjønstad, Ingrid F.; Stenvik, Jørgen; Espevik, Terje; Nilsen, Nadra J. (Journal article; Peer reviewed, 2017)
      Toll-like receptors (TLR)s are innate immune receptors for microbial molecules and also sense damage-associated molecular patterns released from host cells. Double-stranded RNA and the synthetic analog polyinosinic:polycytidylic ...

    • The complement system and toll-like receptors as integrated players in the pathophysiology of atherosclerosis 

      Hovland, Anders; Jonasson, Lena; Garred, Peter; Yndestad, Arne; Aukrust, Pål; Lappegård, Knut Tore; Espevik, Terje; Mollnes, Tom Eirik (Peer reviewed; Journal article, 2015)
      Despite recent medical advances, atherosclerosis is a global burden accounting for numerous deaths and hospital admissions. Immune-mediated inflammation is a major component of the atherosclerotic process, but earlier ...

    • The GOLD domain-containing protein TMED7 inhibits TLR4 signalling from the endosome upon LPS stimulation 

      Doyle, SL; Husebye, Harald; Connolly, D; Espevik, Terje; O'Neill, LAJ; McGettrick, AF (Journal article; Peer reviewed, 2012)
      Toll-like receptor 4 is an innate immune receptor responsible for the recognition of the Gram-negative cell wall component lipopolysaccharide. Here we show that transmembrane emp24 domain-containing protein 7 (TMED7) ...

    • The proportion of CD16+CD14dim monocytes increases with tumor cell load in bone marrow of patients with multiple myeloma 

      Sponaas, Anne-Marit; Moen, Siv Helen; Liabakk, Nina-Beate; Feyzi, Emadoldin; Holien, Toril; Kvam, Solveig; Grøseth, Lill Anny Gunnes; Størdal, Berit Fladvad; Buene, Glenn; Espevik, Terje; Waage, Anders; Standal, Therese; Sundan, Anders (Journal article; Peer reviewed, 2015)
      Multiple myeloma is an incurable cancer with expansion of malignant plasma cells in the bone marrow. Previous studies have shown that monocytes and macrophages in the bone marrow milieu are important for tumor growth ...