1. Dzierzak E, Bigas A. Blood Development: Hematopoietic Stem Cell Dependence and Independence. Cell Stem Cell. 2018 May 3;22(5):639-651. doi: 10.1016/j.stem.2018.04.015.2. Hou S, Li Z, Zheng X, Gao Y, Dong J, Ni Y, Wang X, Li Y, Ding X, Chang Z, Li S, Hu Y, Fan X, Hou Y, Wen L, Liu B, Tang F, Lan Y. Embryonic endothelial evolution towards first hematopoietic stem cells revealed by single-cell transcriptomic and functional analyses. Cell Res. 2020 May;30(5):376-392. doi: 10.1038/s41422-020-0300-2.3. Wang T, Xia C, Weng Q, Wang K, Dong Y, Hao S, Dong F, Liu X, Liu L, Geng Y, Guan Y, Du J, Cheng T, Cheng H, Wang J. Loss of Nupr1 promotes engraftment by tuning the quiescence threshold of hematopoietic stem cell repository via regulating p53-checkpoint pathway. Haematologica. 2022 Jan 1;107(1):154-166. doi: 10.3324/haematol.2019.239186.