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MiR-210通过Syk-NF-κB通路抑制THP-1-衍生巨细胞中Candida albicans衍生的β-葡萄糖诱导的炎症

Junsheng Hou¹, Min Li²

¹Department of Dermatovenereology, West China School of Medicine, Sichuan University, Sichuan University affiliated Chengdu Second People's Hospital, Chengdu Second People's Hospital, Chengdu, Sichuan, 610017, China.

|January 14, 2026

概括

微RNA-210 (miR-210) 限制了对Candida albicans (C. albicans) β-葡萄糖反应的巨细胞的炎症. 这一发现揭示了miR-210的存在.

科学领域:

免疫学免疫学免疫学
分子生物学分子生物学
微生物学微生物学

背景情况:

菌 (C. albicans) 感染对免疫受损的个体构成严重威胁.
对C. albicansβ-葡萄糖 (CaIG) 的Dectin-1识别触发了巨细胞炎症,这对于真菌清除至关重要,但可能导致败血症.
微RNA-210 (miR-210) 在CaIG刺激后在巨细胞中升高调节,并与免疫反应相关,但其在Dectin-1-介导炎症中的作用尚不清楚.

研究的目的:

研究miR-210在调节巨细胞中Dectin-1-激活炎症中的作用.
阐明miR-210影响CaIG引发的炎症级联的分子机制.

主要方法:

使用CaIG刺激的THP-1巨细胞建立了体外炎症模型.
使用miR-210模仿和抑制器转染来调节miR-210水平.
评估了炎症性细胞因子 (IL-6,TNF-α) 和关键信号通路组件 (Syk,IκBα,NF-κB p65) 的表达.

主要成果:

miR-210的过度表达显著降低了CaIG诱导的IL-6和TNF-α的产生.
抑制内源的miR-210增强了这些炎症性细胞因子的产生.
发现miR-210可以抑制腺氨酸激酶 (Syk) 激活和NF-κB p65核转位,从而减轻炎症.

结论:

miR-210 作为 CaIG 触发的巨细胞炎症的负反调节剂.
该机制涉及Syk-NF-κB信号通路的下调.
miR-210在C. albicans感染中显示出作为炎症调节剂的治疗潜力.

关键词:

在Candida albicans中使用.巨细胞是一个巨细胞.通过NF-κB路径.在 miR-21010 里面.贝塔-葡萄糖是什么?

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