Exercise rejuvenates quiescent skeletal muscle stem cells in old mice through restoration of Cyclin D1. - Brett JO; Arjona M; Ikeda M; Quarta M; de Morrée A; Egner IM; Perandini LA; Ishak HD; Goshayeshi A; Benjamin DI; Both P; Rodríguez-Mateo C; et al. (Nature metabolism, 2020)