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. 2018 Feb 15;10(3):875–889. doi: 10.1016/j.stemcr.2018.01.009

Figure 7.

Figure 7

Model of HOXB4 Activity during Pluripotent Stem Cell Differentiation

During mouse ESC differentiation, HOXB4 appears to promote hematopoietic commitment after the hemangioblast stage in VE-Cad+FLK-1+TIE2+KIT+CD31+ precursors of HE cells by upregulating the expression of key hematopoietic transcription factors, in a RUNX1-independent fashion. Importantly, our results indicate that this does not happen at the expense of endothelial cells. These results are also compatible with the notion that (at least a part of) endothelial cells develop hemangioblast-independently (Padron-Barthe et al., 2014, Ueno and Weissman, 2006).