NOTCH路径突变导致HBV感染慢性淋巴细胞白血病的预后较差
Chun-Yu Shang1,2,3, Li-Ye Bei1,2,3, Jia-Zhu Wu1,2,3
1Department of Hematology, the First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, 210029, China.
乙型肝炎病毒 (HBV) 感染加剧了慢性淋巴细胞白血病 (CLL) 的结果. 在HBV阳性CLL中,NOTCH途径突变更为常见,并对这些患者的预后不佳和疾病进展作出重大贡献.
科学领域:
- 在瘤学瘤学.
- 病毒学 病毒学
- 分子生物学分子生物学
背景情况:
- 患有乙型肝炎病毒 (HBV) 感染的慢性淋巴细胞白血病 (CLL) 患者的预后较差,其潜在机制基本上是未知的.
- 在CLL中,NOTCH途径突变很普遍,与疾病进展和治疗耐药性相关,并且与淋巴细胞恶性瘤中的肝炎感染有关.
研究的目的:
- 研究慢性淋巴细胞白血病患者的NOTCH信号通路和HBV感染之间的关系.
- 确定NOTCH途径突变是否有助于在HBV相关的CLL中观察到的不良预后.
主要方法:
- 对98名以前未经治疗的HBV阳性CLL患者和244名HBV阴性CLL患者的回顾性分析.
- 对NOTCH通路基因突变 (NOTCH1,NOTCH2,SPEN) 的评估.
- 生存分析包括整体生存 (OS) 和治疗时间 (TTT),使用多变量分析.
主要成果:
- 在HBV阳性CLL亚组中,NOTCH突变的发生频率明显高 (p=0.033).
- 乙型肝炎病毒感染与疾病进展和较差的存活率独立相关 (OS的p=0.0099,TTT的p=0.0446).
- 在HBV感染的CLL患者中,NOTCH途径突变独立预测了更糟糕的结果 (p=0.016对于OS,p=0.023对于TTT),而没有NOTCH突变的HBV阳性患者与HBV阴性患者相比没有显著差异.
结论:
- 阳性HBV的CLL患者表现较差的临床结果.
- NOTCH途径突变在HBV感染的CLL的不良预后中起着至关重要的作用,突出了这种患者队列中不良结果的特定机制.
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