Fig. 5

CD11b⁺CD11c⁺ macrophage cell count in lungs from mice following normoxia (), 90% O₂ () and 90% O₂ with administration of hMSC () delivered at day 4. The shaded area (gray) depicts period of hyperoxia exposure (postnatal days 0–4) prior to delivery of hMSCs (dotted line) on day 4. For all treatment groups, n = 8 per group. Data are shown as mean ± SEM. * = p < 0.05 and NS = not significant