Blar i forfatter Det helsevitenskapelige fakultet "Hellerud, Bernt C"

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    • Choice of immunoassay to evaluate porcine cytokine levels 

      Ueland, Nora Lamark; Ludvigsen, Judith K.; Hellerud, Bernt C; Mollnes, Tom Eirik; Skjeflo, Espen Waage (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-06)
      <i>Background</i> - In order to adequately monitor cytokines in experimental models, currently available methods and commercially available kits should be compared.<br><br> <i>Aim</i> - To compare the plasma and tissue concentrations of IL-1β, IL-6, IL-8, IL-10, and TNF as a measure of systemic inflammation in septic pigs.<br><br> <i>Methods</i> - Cytokines were quantified from blood and tissue ...

    • 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; Tidsskriftartikkel; Peer reviewed, 2017-02-27)
      Background<br> 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 molecules of innate immunity, complement component C5, and co-receptor CD14 in the Toll-like receptor system, on the inflammatory response in meningococcal sepsis.<p> Methods ...

    • Properdin binding to complement activating surfaces depends on initial C3b deposition 

      Harboe, Morten; Johnson, Christina; Nymo, Stig Haugset; Ekholt, Karin; Schjalm, Camilla; Lindstad, Julie Katrine; Pharo, Anne Margrethe; Hellerud, Bernt C; Ekdahl, Kristina Nilsson; Mollnes, Tom Eirik; Nilsson, Per (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-09)
      Two functions have been assigned to properdin; stabilization of the alternative convertase, C3bBb, is well accepted, whereas the role of properdin as pattern recognition molecule is controversial. The presence of nonphysiological aggregates in purified properdin preparations and experimental models that do not allow discrimination between the initial binding of properdin and binding secondary to C3b ...