text:  C/EBPa KO SLAM+KSLs on D7, rep2 C/EBPa KO SLAM+KSLs Day 7 after pIpC injection cell type: sorted HSCs (lin-sca1+ckit+CD150+CD48-); genotype/variation: Pu.1 knock-in (PU.1ki/ki); developmental stage: adult