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INT J LAB HEMATOL:t(821) (q22q22)急性髓系白血病免疫表型特征及流式细胞术评分系统

2019-01-21 MedSci MedSci原创

t(8;21)易位是AML中最常见的染色体易位之一。分子遗传学被认为是金标准诊断方法。然而,由于AML相关基因异常的复杂多样,对所有这些异常进行全面筛查可能并不有效。因此,本研究建立流式细胞术(FC)评分系统,对t(8;21)AML进行快速筛查和诊断。 研究人员分析t(8;21) AML或其他亚型AML患者白血病细胞和中性粒细胞的免疫表型特征,探索t(8;21) AML的血流诊断方法。本研究

t(8;21)易位是AML中最常见的染色体易位之一。分子遗传学被认为是金标准诊断方法。然而,由于AML相关基因异常的复杂多样,对所有这些异常进行全面筛查可能并不有效。因此,本研究建立流式细胞术(FC)评分系统,对t(8;21)AML进行快速筛查和诊断

研究人员分析t(8;21) AML或其他亚型AML患者白血病细胞和中性粒细胞的免疫表型特征,探索t(8;21) AML的血流诊断方法。本研究共选取6FC特征提示t(8;21) AML的诊断:包括:母细胞CD34高表达;成髓细胞中CD19cCD79aCD56的异常表达,CD56在中性粒细胞中的共表达,尤其是在未成熟的中性粒细胞中;粒细胞成熟障碍。研究人员使用这些特性设计了一个6分的分数。经ROC分析,AUC0.952,敏感性、特异性、PPVNPV分别为0.860.90。当分数为3分时,分别是0.910.84。然后对独立队列进行前瞻性验证,验证队列的ROC曲线AUC0.975。当截断值设为3时,得到的灵敏度为0.91,特异度为0.94。研究表明,上述FC评分可用于t(8;21) AML的鉴别和快速筛查。

原始出处:

Lei Shang,Xuejing Chen, Yan liu, Xiaojin Cai,The immunophenotypic characteristics and flow cytometric scoring system of acute myeloid leukemia with t(8;21) (q22;q22); RUNX1RUNX1T1

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    2019-01-23 fengyi812
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    2019-01-23 tastas
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