Objective To define in vitro whether bone marrow mononuclear cells (BM MNC) secrete vascular endothelial growth factor (VEGF) and to evaluate the effect of BM MNC on endothelial cell proliferation.

• 目的:探讨体外培养骨髓细胞分泌促血管生长因子的能力及培养上清对内皮细胞增殖的影响。