【多选题】
ENESTcmr研究中伊马替尼进行一线治疗的CML患者，较继续使用伊马替尼，更多的患者通过二线达希纳获得DMR。
A. 是
B. 否
C.
D.
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答案
A
解析
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【多选题】
费城染色体阳性（Ph+）的CML细胞需要活化的Bcr-Abl信号才能存活，因此当达希纳阻断了Bcr-Abl融合蛋白的激活后，CML的发生与进展的关键步骤即被抑制？
A. 是
B. 否
C.
D.
【多选题】
关于细胞遗传学定性检测：常用于诊断和查其他异常染色体；只提供是否存在Ph+的细胞的报告，并不提供有Ph+细胞百分比；可以检测是否存在其他染色体变异。
A. 是
B. 否
C.
D.
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