Furthermore, the degree of pulmonary fibrosis in G-CSF-pretreated BM-MSC groups (3 × 106 and 1 × 107 cells/mL) was lower than untreated BM-MSC groups (3 × 106 and 1 × 107 cells/mL) (P < 0.05, Figures 1(a)–1(e)). The gene discussed is CSF3; the disease is pulmonary fibrosis.