降低血清sRAGE水平识别COPD并反映疾病严重程度:印度跨部门研究的发现
Venkateshkumar Chandanna Seri1, Mohammed Kaleem Ullah2, Jayaraj Biligere Siddaiah1
1Department of Respiratory Medicine, JSS Medical College, JSS Academy of Higher Education and Research, Mysuru 570015, India.
Diagnostics (Basel, Switzerland)
|November 27, 2025
概括
高度糖化终产品的血清溶解受体 (sRAGE) 是诊断慢性阻塞性肺病 (COPD) 的有希望的非侵入性生物标志物. 较低的sRAGE水平表明COPD,有助于早期检测和风险分层,特别是在资源较低的环境中.
科学领域:
- 肺部医学 肺部医学
- 生物标志物发现发现
- 呼吸道疾病 呼吸道疾病
背景情况:
- 慢性阻塞性肺病 (COPD) 是一个主要的全球健康问题,特别是在LMICs,具有重要的风险因素,包括烟草和生物质烟雾.
- 螺旋测量是COPD诊断的黄金标准,但非侵入性生物标志物对于早期检测和管理至关重要.
- 作为一种抗炎性蛋白质,高级糖化最终产品 (sRAGE) 的可溶性受体显示出作为诊断标记物的潜力.
研究的目的:
- 评估血清sRAGE作为诊断COPD的非侵入性生物标志物,用于不同类型的烟雾暴露.
- 评估sRAGE水平与COPD严重程度指标之间的相关性.
- 用ROC分析来确定sRAGE的诊断性能.
主要方法:
- 一项涉及150名成年人进行的横截面研究,分层由COPD诊断 (烟草/生物质烟雾引起) 和暴露对照进行分层.
- 通过ELISA进行了临床评估,螺旋计和血清sRAGE量化.
- 分析了系统性炎症标志物 (NLR,PLR) 和COPD评估得分 (CAT,mMRC,SGRQ-C).
主要成果:
- 与对照组相比,烟草和生物质诱导的COPD患者的血清sRAGE水平明显较低 (p < 0.001).
- sRAGE显示了与螺旋计测量 (FEV1,FVC,FEV1/FVC) 的强烈正相关性,以及与症状评分的负相关性.
- ROC分析表明,COPD检测中sRAGE的诊断性能很好 (AUC=0.990,94%的灵敏度,96%的特异性).
结论:
- 血清sRAGE作为一个强大的,非侵入性的生物标志物用于COPD诊断和严重程度评估,不论烟雾暴露.
- 这些发现表明,sRAGE可以提高早期COPD检测和风险分层,特别有利于LMICs.
- 将sRAGE测量集成到临床实践中,有望在全球范围内改善COPD管理.
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