Cells were Fc blocked in 1:50 TruStain FcX PLUS (BioLegend, catalog no. 156604) in 2% FBS/PBS for 10 min, followed by a stain of at least 30 min of 1:200 CD11b-FITC (Thermo Fisher Scientific, catalog no. 11-0112-82), 1:400 CD117-PE (Thermo Fisher Scientific, catalog no. 12-1171-82), 1:200 Sca-1-PE/Cy7 (BioLegend, catalog no. 122514), 1:1000 Ghost Dye Red 780 fixable viability dye (Cell Signaling Technology, catalog no. 18452), and/or 1:200 lineage-FITC (BioLegend catalog no. 133301). Cells were then washed twice with 2% FBS/PBS and run on the flow cytometer. For compensation, UltraComp eBeads compensation beads (Thermo Fisher Scientific, catalog no. 01-2222-42) were stained at the same concentration for the same amount of time as the cells to be analyzed, washed twice with 2% FBS/PBS, and run on the flow cytometer. For viability dye compensation, an aliquot of cells was stained only with 1:1000 Ghost Dye Red 780 fixable viability dye (Cell Signaling Technology, catalog no. 18452) for the same duration as the cells to be analyzed, washed twice with 2% FBS/PBS, and run on the flow cytometer.
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