Browsing NTNU Open by Author "Steinkjer, Bjørg"

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    • Alginate microbeads are coagulation compatible, while alginate microcapsules activate coagulation secondary to complement or directly through FXII 

      Gravastrand, Caroline; Hamad, Shamal; Fure, Hilde; Steinkjer, Bjørg; Ryan, Liv; Oberholzer, José; Lambris, John D.; Lacík, Igor; Mollnes, Tom Eirik; Brekke, Ole-Lars; Rokstad, Anne Mari (Journal article; Peer reviewed, 2017)
      Alginate microspheres are presently under evaluation for future cell-based therapy. Their ability to induce harmful host reactions needs to be identified for developing the most suitable devices and efficient prevention ...

    • Alginate microbeads are complement compatible, in contrast to polycation containing microcapsules, as revealed in a human whole blood model 

      Rokstad, Anne Mari; Brekke, Ole Lars; Steinkjer, Bjørg; Ryan, Liv; Kolláriková, Gabriela; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund; Lacík, Igor; Espevik, Terje; Mollnes, Tom Eirik (Journal article; Peer reviewed, 2011)
      Alginate microbeads and microcapsules are presently under evaluation for future cell-based therapy. Defining their inflammatory properties with regard to humans is therefore essential. A lepirudine-based human whole blood ...

    • 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 ...

    • Cytokine Patterns in Maternal Serum From First Trimester to Term and Beyond 

      Jarmund, Anders Hagen; Giskeødegård, Guro F.; Ryssdal, Mariell; Steinkjer, Bjørg; Stokkeland, Live Marie; Madssen, Torfinn Støve; Stafne, Signe Nilssen; Stridsklev, Solhild; Moholdt, Trine; Heimstad, Runa Kristine; Vanky, Eszter; Iversen, Ann-Charlotte (Peer reviewed; Journal article, 2021)
      Pregnancy implies delicate immunological balance between two individuals, with constant changes and adaptions in response to maternal capacity and fetal demands. We performed cytokine profiling of 1149 longitudinal serum ...

    • Functional Toll-like receptors in primary first-trimester trophoblasts 

      Tangerås, Line; Stødle, Guro; Olsen, Guro Dalheim; Leknes, Ann-Helen; Gundersen, Astrid; Skei, Bente; Vikdal, Anne Jorunn; Ryan, Liv; Steinkjer, Bjørg; Myklebost, Merete; Langaas, Mette; Austgulen, Rigmor; Iversen, Ann-Charlotte (Journal article; Peer reviewed, 2014)
      Toll-like receptors (TLRs) are an important part of the body's danger response system and crucial for initiating inflammation in response to cellular stress, tissue damage, and infections. Proper placental development is ...

    • In Vitro and In Vivo Biocompatibility Evaluation of Polyallylamine and Macromolecular Heparin Conjugates Modified Alginate Microbeads 

      Vaithilingam, Vijayaganapathy; Steinkjer, Bjørg; Ryan, Liv; Larsson, Rolf; Tuch, Bernard E.; Oberholzer, José; Rokstad, Anne Mari (Journal article; Peer reviewed, 2017)
      Host reactivity to biocompatible immunoisolation devices is a major challenge for cellular therapies, and a human screening model would be of great value. We designed new types of surface modified barium alginate microspheres, ...

    • Liposomes - Human phagocytes interplay in whole blood: effect of liposome design 

      Giambelluca, Miriam Soledad; Markova, Elena; Louet, Claire; Steinkjer, Bjørg; Sundset, Rune; Skalko Basnet, Natasa; Hak, Sjoerd (Journal article; Peer reviewed, 2023)
      Nanomedicine holds immense potential for therapeutic manipulation of phagocytic immune cells. However, in vitro studies often fail to accurately translate to the complex in vivo environment. To address this gap, we employed ...

    • Serum cytokine patterns in first half of pregnancy 

      Stokkeland, Live Marie Tobiesen; Giskeødegård, Guro F.; Stridsklev, Solhild; Ryan, Liv; Steinkjer, Bjørg; Tangerås, Line Haugstad; Vanky, Eszter; Iversen, Ann-Charlotte (Journal article; Peer reviewed, 2019)
      Introduction Human pregnancy is a state of elevated maternal systemic inflammation, and pregnancy complications are often associated with a dysfunctional immune response. The network of cytokines reflects this complex ...