• DNA Repair Mechanisms are Activated in Circulating Lymphocytes of Hospitalized Covid-19 Patients 

      Olsen, Maria Belland; Huse, Camilla; Sousa, Mirta; Murphy, Sarah Louise Mikalsen; Sarno, Antonio; Obermann, Tobias Sebastian; Yang, Kuan; Holter, Jan Cato; Jørgensen, Marthe Jøntvedt; Christensen, Erik Egeland; Wang, Wei; Ji, Ping; Heggelund, Lars; Hoel, Hedda; Dyrhol-Riise, Anne Ma; Gregersen, Ida; Aukrust, Pål; Bjørås, Magnar; Halvorsen, Bente; Dahl, Tuva Børresdatter (Journal article; Peer reviewed, 2022)
      Purpose: Reactive oxygen species (ROS) are an important part of the inflammatory response during infection but can also promote DNA damage. Due to the sustained inflammation in severe Covid-19, we hypothesized that ...
    • Instability in NAD+ metabolism leads to impaired cardiac mitochondrial function and communication 

      Lauritzen, Knut H.; Olsen, Maria Belland; Ahmed, Mohammed Shakil; Yang, Kuan; Rinholm, Johanne Egge; Bergersen, Linda H.; Esbensen, Qin Ying; Sverkeli, Lars Jansen; Ziegler, Mathias; Attramadal, Håvard; Halvorsen, Bente; Aukrust, Pål; Yndestad, Arne (Journal article; Peer reviewed, 2021)
      Poly(ADP-ribose) polymerase (PARP) enzymes initiate (mt)DNA repair mechanisms and use nicotinamide adenine dinucleotide (NAD+) as energy source. Prolonged PARP activity can drain cellular NAD+ reserves, leading to de-regulation ...
    • Mapping of pituitary stress-induced gene regulation connects Nrcam to negative emotions 

      Olsen, Maria Belland; Sannes, Ann-Christin; Yang, Kuan; Nielsen, Morten Birkeland; Einarsen, Ståle Valvatne; Christensen, Jan Olav; Pallesen, Ståle; Bjørås, Magnar; Gjerstad, Johannes (Journal article; Peer reviewed, 2022)
      Environmental stressors such as repeated social defeat may initiate powerful activation of subconscious parts of the brain. Here, we examine the consequences of such stress (induced by resident-intruder paradigm) on the ...