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对于膀癌的场效告知尿液活检
William Y Shi1, Kevin J Liu1, Mohammad S Esfahani2
1Stanford Cancer Institute, Stanford University, Stanford, CA, USA; Department of Radiation Oncology, Stanford University, Stanford, CA, USA; Program in Cancer Biology, Stanford University, Stanford, CA, USA.
Cell
|January 28, 2026
概括
确定非肌肉侵入性膀癌 (NMIBC) 的生物标志物至关重要. 一种新的尿瘤DNA (utDNA) 方法通过计算场效应来提高准确性,从而为NMIBC患者提供个性化的治疗策略.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 非肌肉侵入性膀癌 (NMIBC) 治疗反应不同,需要可靠的生物标志物.
- 肠道 Calmette-Guérin (BCG) 是一种标准疗法,但并非所有患者都能从中受益.
- 尿瘤DNA (utDNA) 分析显示出有希望的结果,但受到正常尿细胞突变的场效应的限制.
研究的目的:
- 开发一种改进的utDNA最小残留疾病 (MRD) 方法,通过排除场效应突变来增强特异性.
- 在NMIBC患者中确定对手术和辅助BCG反应的分子预测因子.
- 探索基于现场效应的液体活检在个性化膀癌治疗中的潜力.
主要方法:
- 从261名NMIBC患者的尿液DNA体质突变的分析.
- 开发一种基于现场效应的utDNA MRD方法.
- 分子形状与治疗反应 (手术和BCG) 的相关性.
主要成果:
- 尿液中体质突变的患病率随着年龄的增长而增加.
- 基于现场效应的MRD方法提高了特异性.
- 确定了三个分子反应类别:手术反应者,BCG反应者和非反应者.
- 发现了手术和BCG反应的独特分子预测因子,包括BCG响应者的免疫激活和突变负担.
结论:
- 现场效应信息化液体活检为NMIBC管理提供了更具体的方法.
- 个性化治疗策略可以通过识别不同的分子反应类来指导.
- 这种方法可以发现多模式膀癌治疗的生物标志物.
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