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在非囊性纤维化支气管切除症中,miR-155的诊断和预后值

Wenying Li¹, Xingbin Yu², Weihong Wang¹

¹Department of Respiratory and Critical Care Medicine, Longyan First Affiliated Hospital of Fujian Medical University, Longyan, 364000, Fujian, China.

BMC pulmonary medicine

|December 11, 2025

概括

微RNA-155 (miR-155) 在非囊性纤维化支气管炎症 (NCFB) 中升高,并驱动呼吸道炎症. 这表明miR-155是NCFB免疫调节的潜在治疗标.

科学领域:

肺部病理学肺部病理学
免疫学免疫学免疫学
分子生物学分子生物学

背景情况:

非囊性纤维化支气管炎 (NCFB) 是一种具有持续炎症的慢性肺部疾病.
在NCFB炎症的上游调节机制尚未完全理解.
已知microRNA-155 (miR-155) 在肺部疾病中调节免疫反应,但其在NCFB中的作用尚不清楚.

研究的目的:

为了研究miR-155在NCFB的发病过程中的作用.
在NCFB患者中确定miR-155表达和炎症标志物之间的关联.

主要方法:

58名NCFB患者和30名使用qRT-PCR的对照组的外周血液单核细胞 (PBMC) 中量化miR-155表达.
通过ELISA测量了血清炎症性细胞因子 (IL-1β,IL-6,IL-8,TNF-α).
通过使用LPS刺激的BEAS-2B细胞在体外评估miR-155表达.

主要成果:

与对照组相比,NCFB患者的MiR-155表达显著更高.
升高的miR-155与IL-6,IL-8,TNF-α和IL-1β水平的增加相关.
在体外研究表明,miR-155的过度表达增强了促炎性细胞因子的释放,而抑制则抑制了它.

结论:

在NCFB中,MiR-155被上调,并与全身和呼吸道炎症有关.
MiR-155促进呼吸道上皮细胞的促炎信号,导致慢性炎症.
米R-155是NCFB疾病活动的潜在生物标志物和治疗点.

关键词:

呼吸道的炎症呼吸道的炎症生物标志物生物标志物细胞因子 (cytokines) 是一种细胞因子.皮质细胞是表皮细胞.一个米R-1555,一个米R-155.非囊性纤维化支气管切除症.

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