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. 2018 Jul 21;19(7):2122. doi: 10.3390/ijms19072122

Figure 4.

Figure 4

Markers used to identify hematopoietic progenitors display graded, rather than discontinuous, expression. CD117, Sca-1 and Flt3 show a continuous expression making the identification of cells with “high” or “intermediate” expression of markers almost arbitrary. Figure shows a typical gating strategy for the identification of LSK (red), LMPP (green) and CLP (blue) progenitor populations based on the expression of CD117, Sca-1, Flt3 and CD127 (IL-7Rα). LSK are identified as Lineage-CD117highSca-1high [2] and LMPP as the LSK with the highest expression of Flt3 [74]. CLP are gated as Lineage-CD117intSca-1intFlt3+CD127+ [75,76]. LSK: Lineage-negative, Sca-1-positive, kit-positive cells; LMPP: Lymphoid-primed Multi-Potent Progenitors; CLP: Common Lymphoid Progenitors.