The Dlk1-Gtl2 Locus Preserves LT-HSC Function by Inhibiting the PI3K-mTOR Pathway to Restrict Mitochondrial Metabolism. - Qian P; He XC; Paulson A; Li Z; Tao F; Perry JM; Guo F; Zhao M; Zhi L; Venkatraman A; Haug JS; Parmely T; et al. (Cell stem cell, 2016)