TY - JOUR A1 - Vogel, Juri A1 - Rezende Felipe, Flávia Figueiredo de A1 - Rohrbach, Susanne A1 - Zhang, Min A1 - Schröder, Katrin T1 - Nox4 is dispensable for exercise induced muscle fibre switch T2 - PLoS One N2 - Introduction: By producing H2O2, the NADPH oxidase Nox4 is involved in differentiation of mesenchymal cells. Exercise alters the composition of slow and fast twitch fibres in skeletal. Here we hypothesized that Nox4 contributes to exercise-induced adaptation such as changes in muscle metabolism or muscle fibre specification and studied this in wildtype and Nox4-/- mice. Results: Exercise, as induced by voluntary running in a running wheel or forced running on a treadmill induced a switch from fast twitch to intermediate fibres. However the induced muscle fibre switch was similar between Nox4-/- and wildtype mice. The same held true for exercise-induced expression of PGC1α or AMPK activation. Both are increased in response to exercise, but with no difference was observed between wildtype and Nox4-/- mice. Conclusion: Thus, exercise-induced muscle fibre switch is Nox4-independent. Y1 - 2015 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/37999 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-379994 SN - 1932-6203 N1 - Copyright: © 2015 Vogel et al. This is an open access article distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited VL - 10 IS - (6): e0130769 SP - 1 EP - 10 PB - PLoS CY - Lawrence, Kan. ER -