IJLH:急性髓系白血病t细胞免疫表型特征及流式细胞术评分系统

2019-06-02 不详 网络

分子遗传学被认为是诊断染色体易位的金标准。易位t(8;21)是AML中最常见的染色体易位之一。然而,由于AML相关基因异常的复杂多样性,对所有这些异常进行全面筛查可能并不具有效益比。因此,本研究建立了流式细胞仪(FC)评分系统,用于快速筛查和诊断t(8;21)AML。 研究人员通过分析急性髓系白血病(8;21)及其他亚型白血病(8;21)患者白血病细胞及中性粒细胞的免疫表型特征,为急性髓系白

分子遗传学被认为是诊断染色体易位的金标准。易位t(8;21)AML中最常见的染色体易位之一。然而,由于AML相关基因异常的复杂多样性,对所有这些异常进行全面筛查可能并不具有效益比。因此,本研究建立了流式细胞仪(FC)评分系统,用于快速筛查和诊断t(8;21)AML

研究人员通过分析急性髓系白血病(8;21)及其他亚型白血病(8;21)患者白血病细胞及中性粒细胞的免疫表型特征,为急性髓系白血病(8;21)的血流诊断提供依据。

在这项研究中,研究人员选择了6FC特征来诊断急性髓系白血病(8;21):细胞显示CD34的高强度表达;CD19cCD79aCD56在成髓细胞中的异常表达共‐CD56在中性粒细胞中的表达,尤其是在未成熟的中性粒细胞中;以及粒细胞的成熟障碍。使用这些功能设计了6分评价体系。ROC分析AUC0.952,敏感性、特异性、PPVNPV分别为0.860.900.91分,≥3分时为0.84分。然后在独立队列中前瞻性验证该评分,验证队列的ROC曲线的AUC0.975。将cutoff值设为3时,得到的灵敏度为0.91,特异度为0.94

研究表明,所述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,The immunophenotypic characteristics and flow cytometric scoring system of acute myeloid leukemia with t(8;21) (q22;q22); RUNX1RUNX1T1

本文系梅斯医学(MedSci)原创编译整理,转载需授权


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    2019-06-04 tastas