CD109 mRNA在CD34阳性和CD34阴性AML患者中的表达:流式细胞术检测CD34阳性的cut off值设定为≥20%。结果发现CD109 mRNA的表达水平在CD34阳性组[2.976(0.636~8.785)]明显高于CD34阴性组[0.899(0.274~2.411)]和正常对照组[0.815(0.636~1.582)](P值均<0.05),而后两者差异无统计学意义(P>0.05)。. This evidence concerns the gene CD34 and acute myeloid leukemia.