技术进步,FoundationOne CDx和FoundationOne Heme检测出具有高灵敏度和特异性的爱斯坦-巴尔病毒
Julius Honecker1, Dirk Paffenholz1, Julian Jungmann1
1Foundation Medicine GmbH, Penzberg, Germany.
The Journal of molecular diagnostics : JMD
|July 25, 2025
概括
基金会One CDx和Heme测定精确检测瘤中的爱斯坦-巴尔病毒 (EBV),为EBV相关癌症提供了传统方法的可靠替代方案.
科学领域:
- 在瘤学瘤学.
- 病毒学 病毒学
- 基因组学就是基因组学.
背景情况:
- 精确检测爱斯坦-巴尔病毒 (EBV) 对于诊断和管理与EBV相关的癌症至关重要.
- 像EBER ISH这样的传统方法可能耗时,并且可能会错过某些瘤类型中的EBV存在.
研究的目的:
- 为了验证FoundationOne CDx (F1CDx) 和FoundationOne Heme (F1H) 下一代测序试验用于EBV检测的性能.
- 为了比较这些测试的准确性与已建立的EBER in situ杂交 (ISH) 参考标准.
主要方法:
- 总共分析了413个瘤样本 (胃癌,状细胞癌,扩散大B细胞淋巴瘤).
- 使用下一代测序试验 (F1CDx,F1H) 来检测EBV,结果与EBER ISH相比较.
- 进行了稀释实验,以评估试验线性和动态范围.
主要成果:
- 在F1CDx和F1H测定中,EBV检测的高灵敏度 (94.0%),特异性 (99.1%) 和精度 (98.3%) 均为高.
- 观察到与EBER ISH有很强的一致性 (AUC = 0.97),精度很好 (95.5%) 和可重现性 (CV = 4.7%).
- 在广泛的动态范围中证实了线性,与EBV阳性样本相关的特征性基因组变化.
结论:
- 在单个试验中,F1CDx和F1H提供了一种可靠的并行方法,用于检测EBV以及体质基因组改变.
- 这些测试为传统的ISH提供了有希望的替代方案,可能简化EBV相关恶性瘤的诊断工作流程.
- 该方法提高了 EBV 在瘤中的识别,即使没有初步的临床怀疑,有助于诊断和管理.
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