图1. 半定量RT-PCR及Sanger测序检测患者治疗前后骨髓标本CD19 1~5号外显子结果.
A：不同循环数半定量RT-PCR结果，1：Nalm6（阳性对照）；2：MV4-11（阴性对照）；3：Pre（BiTE治疗前样本）；4：R（BiTE治疗无效后样本）；B：Sanger测序结果，FL：1~5号外显子全长条带；∆ex2：2号外显子缺失型条带；Ex2part：2号外显子部分缺失型条带
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