[检测胃肠道上部癌症的生物标志物]
Drolaiz H W Liu1, Gudrun Piringer2,3, Sabina Köfler1
1Klinisches Institut für Pathologie und Molekularpathologie, Johannes Kepler Universität Linz und Kepler Universitätsklinikum GmbH, Krankenhausstr. 5-8, 4021, Linz, Österreich.
Pathologie (Heidelberg, Germany)
|December 10, 2025
概括
预测生物标志物测试对于食道和胃癌治疗至关重要. 关键标志物如PD-L1,HER2,不匹配修复和Claudin 18.2指导治疗,但生物异质性带来了挑战.
科学领域:
- 在瘤学瘤学.
- 胃肠病学 胃肠病学
- 分子诊断学 分子诊断学
背景情况:
- 预测生物标志物测试对于食道和胃癌的个性化治疗策略至关重要.
- 目前的测试涉及PD-L1,HER2,不匹配修复和Claudin 18.2的免疫组织化学,并采用分子方法进行确认.
- 生物标志物的生物异质性带来了诊断和临床挑战.
研究的目的:
- 为了解决上部胃肠道癌症的当前生物标志物测试方法的概述.
- 讨论这些生物标志物在指导治疗决策中的作用.
- 突出与生物标志物异质性和技术性能相关的挑战.
主要方法:
- 审查目前对食道和胃癌生物标志物的诊断指南和检测方案.
- 对免疫组织化学和现场杂交技术进行分析,以评估标记物.
- 讨论新出现的生物标志物,如FGFR2b和克劳丁18.2.2.
主要成果:
- 已确定的生物标志物包括食道和胃腺癌的PD-L1 (TPS,CPS,TAP),HER2 (IHC/ISH) 和不匹配修复 (IHC/MSI).
- 克劳丁18.2测试正在成为胃食道腺癌的标准.
- FGFR2b是这个患者群体预期的未来生物标志物.
结论:
- 准确可靠的生物标志物测试对于优化上部胃肠道恶性瘤的治疗选择至关重要.
- 解决生物标志物的生物异质性对于提高诊断准确性和临床实用性至关重要.
- 生物标志物面板的不断演变,包括新兴的目标,增强了精准医学方法.
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