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病例报告:骨髓显样/骨髓扩散性新生体与同时发生的SF3B1,ASXL1,JAK2和CBL突变以及<15%的骨髓环状 sideroblast

Yifan Wang¹, Shengyu Jin²

¹Yanbian University, Yanji, Jilin, China.

Frontiers in oncology

|August 7, 2025

概括

这份病例报告详细介绍了一种罕见的骨髓质疏松/骨髓扩散性瘤与多个突变的血栓细胞瘤 (MDS/MPN-SF3B1-T). 独特的基因型呈现出稳定的表型,挑战了老年患者的标准预后模型.

科学领域:

血液学血液学血液学
基因组学就是基因组学.
在瘤学瘤学.

背景情况:

骨髓质疏松/骨髓增殖性新生瘤 (MDS/MPN) 是一种克隆性造血干细胞疾病.
SF3B1突变通常与MDS相关,但罕见的病例涉及MPN.
复杂的基因组资料可以改变疾病的表现和预后.

研究的目的:

报告第一个MDS/MPN-SF3B1-T病例与同时发生的ASXL1,JAK2 p.R683G和CBL突变.
为了研究这种独特的分子特征背后的病理生物学机制.
讨论对老年患者的预后评估和治疗策略的影响.

主要方法:

一个72岁的老妇人的案例介绍.
综合性基因组分析 (下一代测序).
对突变特异性信号通路的功能分析.

主要成果:

该患者出现了贫血和血栓细胞瘤,符合世卫组织2022年MDS/MPN-SF3B1-T.标准.
发现了一种独特的四重突变特征 (SF3B1,ASXL1,JAK2 p.R683G,CBL).
功能性研究揭示了突变对红色形成和血栓形成的协同效应.
尽管存在高风险突变,但该患者表现出血液学稳定性,这归因于克隆平衡和减弱的信号传输.

结论:

这一案例凸显了SF3B1突变MDS/MPN-T的复杂性,并挑战了传统的预后范式.
由于复杂的分子相互作用,基因型-表型不一致会发生.
对分子复杂,未经治疗的老年患者的治疗策略需要修订,考虑个体基因组资料和社会经济因素.

关键词:

<15%的骨髓环状 sideroblasts 在骨髓中.发生JAK2突变的人.这就是SF3B1突变.世卫组织的分类标准骨髓质疏松/骨髓扩散性瘤 (MDS/MPN) 是一种

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