NCF1 and neoplasm: To study whether cells in NCF1*/* mice experience less oxidative stress than cells in NCF1*/+ mice, spleen and tumor samples were stained with DHR-123 as well as antibodies for T cells (CD45+CD3+), MDSCs (CD45+CD3-CD11b+GR1+), and tumor cells (DCM-CD45-) (Fig 5A).