Flt3, Gm-csfr, and M-csfr mRNA expression in progenitor and myeloid cells. Real-time PCR analysis of mRNA expression of Flt3 (A), Gm-csfr (B), and M-csfr (C) in cell populations sorted from WT mice based on the following markers: c-kithi (lin−c-kithi); MDPΔ (lin−M-CSFRhi); CDP (lin−c-kitintFlt3+IL7Rα−); spleen (Sp) and LN cDC (CD19−MHCII+CD11c+) and pDC (CD19−CD45RA+CD11c+); LN CD40hi DC (CD19−CD40hiCD11cint); Langerhans cells (LC from epidermis) and dermal DC (MHCII+CD45+); blood (Bl), spleen, and bone marrow (BM) monocytes (mo) (M-CSFR+CD11b+ and Gr-1+ or Gr-1−). Data shown are averages of 3 independent experiments.