Figure 5. Expression of bone morphogenetic protein 2 (BMP-2) and basic fibroblast growth factor (bFGF) in bone marrow progenitor cells (BMPCs). A, ELISA assay of BMP2 level secreted by BMPCs at different days after infection. B, ELISA assay of bFGF level secreted by BMPCs at different days after infection. Data are reported as means±SD (n=3). *P<0.05 vs control (ANOVA).