STING预测了局部发达的头部和部状细胞癌的失败模式
Tyler MacNeil1, Thomas J Hayman2, Shengguo Li3
1Department of Pathology, Yale School of Medicine, New Haven, CT, USA.
JNCI cancer spectrum
|January 22, 2026
概括
头部和部状细胞癌 (HNSCC) 中的STING蛋白水平可以预测治疗结果. 在瘤细胞中增加的STING表明辐射后具有更好的局部控制,而状STING可能会降低远程失败风险.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 生物标志物发现发现
背景情况:
- TMEM173/STING蛋白质与头部和部状细胞癌 (HNSCC) 临床前模型中的治疗耐药性有关.
- 作为HNSCC中的预测生物标志物,STING的作用需要进一步调查.
研究的目的:
- 评估STING蛋白水平作为预测HNSCC治疗反应和失败模式的潜在生物标志物.
- 为了将瘤和脑膜区中的STING表达与无病生存率 (DFS) 和局部区域对照相关联.
主要方法:
- 量化免疫光 (QIF) 用于初级HNSCC的两个组织微阵列 (TMA) 队列 (n=72和n=92).
- 在瘤细胞和脑膜区中量化了STING蛋白水平,患者组根据QIF得分进行了二分化.
- 进行了统计分析,包括生存分析和多变量分析,以评估STING水平和临床结果之间的关联.
主要成果:
- 在瘤细胞或肌瘤中增加的STING水平与第一个队列中改善的DFS显著相关.
- 这些发现在第二个队列中得到了验证,显示了DFS与升高的STING显著或边界显著的改善.
- 在瘤细胞中增加的STING预测了更好的局部区域控制,而增加的 stromal STING则趋向于减少远程失效.
结论:
- 在HNSCC瘤细胞中的STING蛋白水平作为预测放射治疗后局部控制的生物标志物.
- 瘤层中STING升高可能与远程失败的风险降低有关.
- 作为HNSCC治疗分层中的预测生物标志物,STING表达值得进一步研究.
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