Michael Seimetz, Natascha Sommer, Mariola Bednorz, Oleg Pak, Christine Veith, Stefan Hadzic, Marija Gredic, Nirmal Parajuli, Baktybek Kojonazarov, Simone Kraut, Jochen Wilhelm, Fenja Knoepp, Ingrid Henneke, Alexandra Pichl, Zeki I Kanbagli, Susan Scheibe, Athanasios Fysikopoulos, Cheng-Yu Wu, Walter Klepetko, Peter Jaksch, Christina Eichstaedt, Ekkehard Grünig, Katrin Hinderhofer, Miklós Geiszt, Niklas Müller, Flavia Rezende, Giulia Buchmann, Ilka Wittig, Matthias Hecker, Andreas Hecker, Winfried Padberg, Peter Dorfmüller, Stefan Gattenlöhner, Claus F Vogelmeier, Andreas Günther, Srikanth Karnati, Eveline Baumgart-Vogt, Ralph T Schermuly, Hossein A Ghofrani, Werner Seeger, Katrin Schröder, Friedrich Grimminger, Ralf P Brandes, Norbert Weissmann
Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and death worldwide. Peroxynitrite, formed from nitric oxide, which is derived from inducible nitric oxide synthase, and superoxide, has been implicated in the development of emphysema, but the source of the superoxide was hitherto not characterized. Here, we identify the non-phagocytic NADPH oxidase organizer 1 (NOXO1) as the superoxide source and an essential driver of smoke-induced emphysema and pulmonary hypertension development in mice...
June 2020: Nature metabolism