2.5 Gy WBM 4.5 Gy WBM 6.5 Gy WBM 0 200 400 600 800 1000 69.6 7.32 22.9 0 200 400 600 800 1000 83.6 4.73 11.3 A B C 10 0 10 1 10 2 10 3 10 4 10 0 10 1 10 2 10 3 10 4 10 0 10 1 10 2 10 3 10 4 10 0 10 1 10 2 10 3 10 4 2.52 0.36 gated on lin- CD34- Sca-1 ckit Control 4.5Gy (d 14) D E F G J H K Control 4.5Gy (d 14) DNA Area Counts Supplementary Figure 1 Lento et al. I 2.5 Gy Cell Cycle 4.5 Gy Cell Cycle ** * *** *** *** *** *** *** *** * * * * * * * * * * *** *** *** ***