Methods The methylation status of CpG island of AR gene promoter in 3 leukemic cell lines and 15 leukemic bone marrow cells was detected by methylation specific PCR(MSP).

• 方法应用甲基化特异性PCR技术(methylation specific PCR,MSP)检测3种白血病细胞株及15例患者骨髓标本雄激素受体基因甲基化状态。