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PD1分子可能有助于降低患有e13a2转录的慢性髓性白血病患者的无治疗缓解率

Paulina Kwaśnik¹, Michał Kiełbus¹, Joanna Zaleska¹

¹Department of Experimental Hematooncology, Medical University of Lublin, 20-093 Lublin, Poland.

Journal of clinical medicine

|April 12, 2025

概括

与e13a2变体相比,患有e14a2转录的慢性髓性白血病 (CML) 患者表现出不同的免疫特征,影响了无治疗缓解 (TFR) 的成功. 这些免疫学差异可能会影响治疗停止后CML复发.

科学领域:

免疫学免疫学免疫学
血液学血液学血液学
在瘤学瘤学.

背景情况:

慢性髓性白血病 (CML) 是由BCR::ABL1融合基因驱动的,e14a2和e13a2是常见的变体.
在CML的转录类型可能会影响实现无治疗缓解 (TFR) 的能力.

研究的目的:

为了免疫学地描述具有e13a2和e14a2转录的CML患者.
为了识别可能影响缓解的免疫差异,治疗后实现缓解.

主要方法:

多色流细胞计分析了51名CML患者的免疫系统差异,这些患者在Imatinib停药和早期TFR时.
监测RQ-PCR和ddPCR的BCR::ABL1转录动态.
主要成分分析 (PCA) 和k-means基于免疫细胞种群对患者进行分组.

主要成果:

PCA将CML患者分为两个不同的群体,显示出显著的异质性.
在患者群和BCR::ABL1转录型 (e13a2与e14a2) 之间发现了显著的关联.
与第2组相比,第1组的PD1表达免疫细胞 (cDC,CD56dimCD16+,CD8+,CD4+,CD19+) 的百分比较高.

结论:

免疫学区分与CML患者的BCR::ABL1转录型相关.
这些免疫差异可能会影响活跃的CML细胞数量,并影响分子复发风险.

关键词:

慢性骨髓性白血病慢性骨髓性白血病伊马替尼布撤销伊马替尼布撤销免疫生物标志物的生物标志物.转录类型转录类型转录类型没有治疗的缓解缓解.

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