肺结节:结合诊断方法和治疗评估的研究
Lisha Wang1, Jingli Fan2, Siqi Wu3
1Department of Clinical Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei, China; Hebei Innovation Center of Clinical Medical Laboratory Technology, Shijiazhuang, Hebei, China.
Clinica chimica acta; international journal of clinical chemistry
|October 12, 2025
概括
结合血液生物标志物,如无细胞DNA (cfDNA) 甲基化和七种与瘤相关的自身抗体 (7-AABs) 与成像,可以改善肺结节风险评估. 这些标志物还显示出监测肺癌患者治疗反应的潜力.
科学领域:
- 在瘤学瘤学.
- 生物标志物发现发现
- 诊断成像 诊断成像 诊断成像
背景情况:
- 肺癌是导致死亡的主要原因,需要精确的早期检测和肺结节的风险分层.
- 低剂量螺旋计算断层扫描 (LDCT) 查具有高灵敏度,但需要改进选可疑结节的方法,以避免不必要的侵入性程序.
研究的目的:
- 评估传统瘤标记物,无细胞DNA (cfDNA) 甲基化和7种瘤相关自身抗体 (7-AABs) 的联合诊断疗效,用于识别高风险肺结节.
- 评估这些基于血液的生物标志物的实用性,以监测肺癌患者的治疗反应.
主要方法:
- 一项涉及141名肺癌患者和82名良性结节患者的研究.
- 对传统标记物,cfDNA甲基化 (SHOX2,RASSF1A,PTGER4) 和7-AABs (p53,SOX2) 的手术前分析.
- 对肺癌患者进行了cfDNA甲基化和7-AABs的术后和化疗后评估. 统计分析包括千平方测试,后勤回归和ROC曲线.
主要成果:
- 无细胞DNA (cfDNA) 甲基化显示出最高的诊断性能 (灵敏度:78.0%,特异性:76.8%,AUC:0.7743),其次是7种与瘤相关的自身抗体 (7-AABs) (灵敏度:43.3%,特异性:87.8%,AUC:0.6553).
- 高风险结节形态,阳性cfDNA甲基化和阳性7-AABs被确定为恶性瘤的独立预测因子.
- 术后生物标志物水平下降,化疗后cfDNA甲基化进一步下降,这表明潜在的最小残留疾病监测.
结论:
- 图像与cfDNA甲基化和7-AABs的结合显著提高了肺结节的手术前风险分层.
- 这些基于血液的生物标志物对评估治疗反应和指导肺癌精确管理的监测策略充满希望.
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