子宫内膜癌的与年龄相关的生殖基因格局:关注早期发病病例
Judy J Wang1, Juliet Milani2, Sarah Kane2
1Department of Medicine, Weill Cornell Medical College, New York, NY.
JCO precision oncology
|January 29, 2026
概括
生殖线致病变体 (gPVs) 和林奇综合征 (LS) 在早期发病的子宫内膜癌 (EC) 中更为常见. 年轻的EC患者表现出丰富的高透基因,但非常早期的病例需要进一步研究.
科学领域:
- 在瘤学瘤学.
- 遗传学 是一个遗传学.
- 癌症研究 癌症研究
背景情况:
- 子宫内膜癌 (EC) 的发病率正在上升,特别是在年轻人群中.
- 生殖系致病变体 (gPVs) 可能在早期发病的EC (eoEC) 中发挥重要作用.
- 了解不同年龄组的遗传驱动因素对于向治疗至关重要.
研究的目的:
- 根据诊断时的年龄来定义EC患者gPV的频谱和频率.
- 调查诊断时的年龄与gPVs,双无活化和林奇综合征 (LS) 的存在之间的关联.
- 将 eoEC (<50岁) 的遗传发现与老年人群 (50-69岁和≥70岁) 的遗传发现进行比较.
主要方法:
- 对接受瘤正常测序的1,625名EC患者的回顾性分析 (2014年12月 - 2021年6月).
- 收集了临床变量和诊断时的年龄.
- 后勤回归模型评估了年龄类别与gPV,双基失活和LS之间的关联.
主要成果:
- 在16%的eoec患者中观察到gPV,而14% (50-69岁) 和9% (≥70岁) (P=.016).
- 林奇综合征 (LS) 在eoec (6.5%) 中显著丰富.
- 与50-69岁年龄组相比,eoEC显示双基失活化 (OR,3.34) 和与LS相关联的可能性更高 (HR,3.49).
结论:
- 在欧盟各个年龄组中,gPV,双基失活和LS的发病率存在显著差异.
- 在年轻的EC患者中,高透性基因被丰富,驱动瘤发生.
- 非常早期发病的EC (<40岁) 可能有不同的遗传驱动因素,需要进一步调查.
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