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血清CXCL9作为ILD和COPD生物标志物的不同作用:一项比较研究

Chengsheng Yin^1,2, Xin Kang¹, Yuan Zhang¹

¹Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.

Frontiers in pharmacology

|February 19, 2026

概括

化学物质CXCL9在肺部疾病中发挥着独特的作用. 在间歇性肺病 (ILD) 和慢性阻塞性肺病 (COPD) 中升高,它可以预测ILD中的治疗反应,并表明COPD中的炎症严重程度.

科学领域:

肺部医学肺部医学
免疫学免疫学免疫学
生物标志物发现发现

背景情况:

由干扰素- (IFN-γ) 诱导的化学因子CXCL9与1型炎症有关.
它在慢性呼吸道疾病 (如ILD和COPD) 中的作用尚未完全理解,有相互矛盾的证据.
CXCL9可能反映ILD中的类固醇反应性炎症,但与COPD的较差结果相关.

研究的目的:

研究CXCL9在ILD和COPD中的作用和重要性.
为了比较ILD,COPD和健康个体中的CXCL9水平.
探索CXCL9作为疾病进展和治疗反应的潜在动态生物标志物.

主要方法:

血清CXCL9,KL-6,SP-A和CRP的水平测定在83名ILD患者,94名COPD患者和100名健康对照中.
在治疗前和治疗后对ILD患者的对样本进行了分析.
进行了肺功能,生物标志物相关性和无监督的集群分析,以确定炎症表型.

主要成果:

与健康对照组相比,CXCL9水平在ILD和COPD患者中显著升高.
在COPD中,CXCL9与KL-6和SP-A相关,表明中性友好性炎症和上皮损伤.
在ILD中较高的基线CXCL9预测了治疗后的肺功能改善和下降,而集群分析显示了与结果相关的独特CXCL9/KL-6轨迹.

结论:

CXCL9在ILD和COPD中表现出不同的作用和临床意义.
CXCL9可以作为预后标志物,识别ILD中可治疗的炎症.
CXCL9可能表明COPD的炎症负担,并作为一种动态的,疾病特异性的生物标志物.

关键词:

在CXCL9中使用.慢性阻塞性肺病慢性阻塞性肺病免疫表型化是免疫表型化.间歇性肺病间歇性肺病肺部生物标志物肺部生物标志物这是一种1型炎症.

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