在实验性牛皮和亚托邦性皮肤炎中,IL-27信号介导皮肤炎症
Zeyu Chen1,2, Lian Cui1,2, Zhiyi Lan1,2,3
1Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China.
Cell & bioscience
|January 6, 2026
概括
皮肤细胞中介质素-27 (IL-27) 信号传递在调节牛皮和亚托皮炎 (AD) 炎症的炎症方面发挥着关键作用. 向IL-27为这些常见的炎症性皮肤疾病提供了潜在的新疗法.
科学领域:
- 皮肤病学 皮肤病学
- 免疫学 免疫学 免疫学
- 分子生物学分子生物学
背景情况:
- 牛皮和亚托邦性皮肤炎 (AD) 是常见的炎症性皮肤疾病,具有不同的免疫特征.
- 在牛皮和AD之间越来越多地识别了重叠的免疫机制,特别是在角质细胞功能中.
- 驱动这些共享炎症途径的特定细胞因子尚不清楚.
研究的目的:
- 调查介素-27 (IL-27) 和其受体在牛皮和亚托邦性皮肤炎 (AD) 病变发生过程中的作用.
- 阐明通过IL-27信号影响这些条件下的皮肤炎症的分子机制.
主要方法:
- 使用GEO数据集分析了牛皮和AD患者的人类损伤皮肤中的IL-27受体表达.
- 在野生型和IL-27受体淘汰赛小鼠中建立因伊米基莫德诱导的牛皮样和MC903诱导的AD样皮肤炎症模型.
- 通过临床评分,组织学和免疫染来评估皮肤炎症;使用流动细胞计进行免疫细胞分析;并通过qPCR,RNA测序和西式涂抹对细胞因子和信号通路进行分子分析.
主要成果:
- 在患有牛皮和AD的患者的病变皮肤中观察到显著升高的IL-27受体表达.
- 缺乏IL-27受体的小鼠在牛皮样和AD样模型中显著减少了皮肤炎症.
- 发现IL-27通过信号转换器和转录1 (STAT1) 激活激活器诱导瘤缩因子-α的产生,从而放大炎症.
结论:
- 角质细胞内IL-27信号传递是皮肤炎症的关键调节者,无论是牛皮还是AD.
- 这些发现将IL-27确定为管理诸如牛皮和AD之类的炎症性皮肤疾病的潜在治疗标.
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