骨髓核化细胞分片对急性淋巴细胞白血病患者移植结果的影响
Jun Nukui1,2, Takayoshi Tachibana1, Takuya Miyazaki1,3
1Department of Hematology, Kanagawa Cancer Center, Yokohama, Japan.
Hematology (Amsterdam, Netherlands)
|November 4, 2024
概括
在异性造血干细胞移植 (allo-HSCT) 之前,骨髓中高水平的髓状细胞,红细胞和单细胞与急性淋巴细胞白血病 (ALL) 患者的非复发性死亡率 (NRM) 和总生存率 (OS) 的降低有关.
科学领域:
- 血液学 血液学 血液学
- 移植免疫学 移植免疫学
- 在瘤学瘤学.
背景情况:
- 之前的研究表明,在接受异性造血干细胞移植 (allo-HSCT) 的急性淋巴细胞白血病 (ALL) 患者中,高的移植前核细胞计数和不良结果之间存在相关性.
- 这项研究研究了特定的核细胞子部分,以完善对它们对移植成功的影响的理解.
研究的目的:
- 检查移植前骨髓核细胞亚分数与ALL患者的移植结果之间的关联.
- 为了确定特定的细胞系,可以预测非复发性死亡率 (NRM) 和整体存活率 (OS) 后allo-HSCT.
主要方法:
- 对134名ALL患者进行首次allo-HSCT (2010-2022) 的回顾性分析.
- 基于受体运行曲线确定的骨髓,红细胞,单细胞和淋巴细胞系列的切割值,分层分为高细胞和低细胞群.
- 使用单变量和多变量分析,在这些组之间比较移植结果,包括NRM和OS.
主要成果:
- 细胞数量的中位数为:髓质细胞 16,860/μL,红色细胞 15,584/μL,单细胞 1,446/μL,淋巴细胞 4,215/μL.
- 高水平的骨髓状细胞 (≥38,000/μL),红状细胞 (≥25,000/μL) 和单细胞 (≥4,200/μL) 细胞与更糟糕的3年生存期和更高的NRM显著相关.
- 多变量分析证实了这些关联,高细胞计数与NRM增加有关,通常是由于急性移植对宿主疾病或免疫性疾病.
结论:
- 骨髓中移植前骨髓,红色素和单细胞细胞数的增加是增加NRM的独立风险因素.
- 这些特定的细胞分片对ALL患者的alo-HSCT后的整体存活率产生负面影响.
- 识别这些高风险细胞概况可能会为接受移植的ALL患者的风险分层和治疗策略提供信息.
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