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. 2021 Aug 9;148(15):dev199373. doi: 10.1242/dev.199373

Fig. 2.

Fig. 2.

B cells are generated from mESC-derived Flk1+ progenitors in the absence of Notch signaling. (A) Experimental design. (B) Representative FACS analysis of CD11b+ myeloid and CD19+ B cells (gated as CD45+ cells) produced from Flk1+ cells on OP9 co-culture are shown. (C) The percentages of CD11b+ and CD19+ cells among CD45+ cells in the mESC culture with OP9 are shown (n=6). (D) Representative FACS analysis of donor-derived cells found in the peritoneal cavity of NSG mice transplanted with Rbpj−/− mESC-derived B progenitors. (E) Percentage of donor-derived CD45+ cells in the recipient peritoneal cavity after Rbpj+/−- and Rbpj−/−-derived B-cell transplantation. (Rbpj+/−, n=4; Rbpj−/−, n=5). As a control, FL MNCs were transplanted into NSG mice (n=4). Individual data points are shown.