• Astrocytic Ca2+ signaling is reduced during sleep and is involved in the regulation of slow wave sleep 

      Bojarskaite, Laura; Bjørnstad, Daniel Marelius; Pettersen, Klas; Cunen, Celine; Hermansen, Gudmund Horn; Åbjørsbråten, Knut Sindre; Chambers, Anna; Sprengel, Rolf; Vervaeke, Koen Gerard Alois; Tang, Wannan; Enger, Rune; Nagelhus, Erlend Arnulf (Peer reviewed; Journal article, 2020)
      Astrocytic Ca2+ signaling has been intensively studied in health and disease but has not been quantified during natural sleep. Here, we employ an activity-based algorithm to assess astrocytic Ca2+ signals in the neocortex ...
    • Deletion of aquaporin-4 improves capillary blood flow distribution in brain edema 

      Bordoni, Luca; Thorén, Anna Elisabeth; Gutiérrez-Jiménez, Eugenio; Åbjørsbråten, Knut Sindre; Bjørnstad, Daniel Marelius; Tang, Wannan; Stern, Mette; Østergaard, Leif; Nagelhus, Erlend Arnulf; Frische, Sebastian; Ottersen, Ole Petter; Enger, Rune (Peer reviewed; Journal article, 2023)
      Brain edema is a feared complication to disorders and insults affecting the brain. It can be fatal if the increase in intracranial pressure is sufficiently large to cause brain herniation. Moreover, accruing evidence ...
    • Impaired astrocytic Ca2+ signaling in awake-behaving Alzheimer’s disease transgenic mice 

      Åbjørsbråten, Knut Sindre; Skaaraas, Gry HE Syverstad; Cunen, Celine Marie Løken; Bjørnstad, Daniel Marelius; Binder, Kristin M Gullestad; Bojarskaite, Laura; Jensen, Vidar; Nilsson, Lars; Rao, Shreyas B.; Tang, Wannan; Hermansen, Gudmund Horn; Nagelhus, Erlend Arnulf; Ottersen, Ole Petter; Torp, Reidun; Enger, Rune (Peer reviewed; Journal article, 2022)
      Increased astrocytic Ca2+ signaling has been shown in Alzheimer’s disease mouse models, but to date no reports have characterized behaviorally induced astrocytic Ca2+ signaling in such mice. Here, we employ an event-based ...