WT1基因突变影响移植后复发的骨髓质疏松症候群与多余的细胞爆发 2名患者
Wenwen Guo1,2, Haixiao Zhang1,2, Mingyang Wang1,2
1State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China.
Annals of hematology
|July 5, 2024
概括
维尔姆斯瘤1 (WT1) 基因突变与多余爆发2 (MDS-EB2) 的骨髓显样性综合征有关,与全源干细胞移植后复发的风险更高有关. WT1突变是MDS-EB2患者移植后复发的独立风险因素.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
背景情况:
- 威尔姆斯瘤1 (WT1) 基因突变在骨髓质疏松症候群 (MDS) 中不常见.
- 具有WT1突变 (WT1mut) 的MDS与转变为急性髓性白血病 (AML) 的高风险有关.
- 在异性造血干细胞移植 (allo-HSCT) 后,WT1突变对MDS结果的影响尚不清楚.
研究的目的:
- 为了研究WT1突变对MDS患者复发风险的影响,MDS-EB2过量爆发 (MDS-EB2) 接受allo-HSCT.
- 在MDS-EB2患者中确定alo-HSCT后复发的独立风险因素.
主要方法:
- 对136名MDS-EB2患者进行了回顾性分析,这些患者第一次接受了allo-HSCT.
- 评估了WT1突变状态,并将患者分为WT1mut和WT1野生型 (WT1wt) 队列.
- 使用多变量分析来确定复发的独立风险因素.
主要成果:
- 15%的患者 (20/136) 患有WT1突变.
- 与WT1wt患者相比,WT1mut患者的复发累积发病率 (CIR) 在2年内显著增加 (26.2%对9.4%,p=0.037).
- 移植时的WT1突变,TP53突变和≥5%的骨髓爆发是复发的独立风险因素.
结论:
- 在MDS-EB2患者中,WT1突变可能与移植后复发的风险增加有关.
- WT1突变状态可能有助于对接受alo-HSCT的MDS-EB2患者的风险分层.
- 需要进一步的研究来证实WT1突变在移植后MDS复发中的作用.
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