MIR124-1HG and neoplasm: In addition, we also found mice injected with MDSCs transfected with RNCR3 siRNA had a decreased CD11b+Gr1+ cells and CD11b+ly6G+ ly6Clow subsets in the spleen and tumor (Figure 4G-4I), supporting the involvement of RNCR3 in the differentiation of MDSCs.