A creatine-driven substrate cycle enhances energy expenditure and thermogenesis in beige fat. - Kazak L; Chouchani ET; Jedrychowski MP; Erickson BK; Shinoda K; Cohen P; Vetrivelan R; Lu GZ; Laznik-Bogoslavski D; Hasenfuss SC; Kajimura S; Gygi SP; et al. (Cell, 2015)