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老化皮肤通过增强的IL-36R信号传递加剧了实验性关节炎

Dalin Chen¹, Chong Wang², Changsheng Yang¹

¹Academy of Orthopedics, Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, China.

Nature communications

|January 13, 2026

概括

皮肤中减少的IL-36受体对抗剂 (IL-36Ra) 通过增加IL-36激动剂,导致骨关节炎 (OA). 用微针针对IL-36R信号提供了一个潜在的OA治疗方法.

科学领域:

免疫学免疫学免疫学
皮肤病学皮肤病学
类风湿病学类风湿病学
衰老研究研究衰老研究

背景情况:

与年龄相关的炎症是骨关节炎 (OA) 发病的关键.
关联皮肤衰老与OA的确切机制尚不清楚.
介素-36 (IL-36) 信号传递与炎症状况有关.

研究的目的:

研究IL-36受体对抗剂 (IL-36Ra) 在皮肤衰老和OA中的作用.
阐明皮肤衰老有助于骨髓炎进展的机制.
评估基于微针的IL-36R信号抑制作为一种OA疗法.

主要方法:

从老年小鼠和OA患者的皮肤中分析IL-36Ra水平.
在小鼠模型中对IL-36Ra进行基因操纵.
在关节内注射IL-36R抑制剂.
开发和应用IL-36Ra装载的微针用于通过皮肤输送.

主要成果:

在老化皮肤角质细胞中减少IL-36Ra与OA相关.
减少IL-36Ra促进IL-36激动剂的分泌,激活关节炎症和冠状细胞衰老.
针对IL-36R信号,特别是通过在皮肤上应用的微针,有效地减轻了雄性小鼠的OA进展.

结论:

从老化皮肤中释放的IL-36激动剂作为导致OA的系统性因素起作用.
针对老年皮肤中的IL-36R信号传递,代表了针对OA的一种新的疾病修饰策略.
微针技术为OA治疗中局部,持续抑制IL-36R信号传递提供了一个有希望的方法.

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