多转录组分析揭示了乳头皮层中的 stromal 细胞在牛皮病中促进血管生成

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Bo Zhang^1,2,3, Junpu Mei⁴, Qijun Liao^5,6

¹Department of Dermatology, The Fourth Affiliated Hospital of Soochow University (Suzhou Dushu Lake Hospital; Medical Center of Soochow University), Suzhou, Jiangsu, China.

The British journal of dermatology

|November 21, 2024

概括

像纤维细胞和血管细胞这样的流体细胞在牛皮病原发生过程中发挥着关键作用. 针对皮肤中的这些细胞.

科学领域:

皮肤病学和免疫学
细胞生物学细胞生物学
分子生物学分子生物学

背景情况:

牛皮的发病因子尚未完全理解.
人们越来越多地认识到肌体细胞参与炎症.

研究的目的:

在牛皮炎性炎症微环境中研究树皮细胞 (纤维细胞,VEC,VSMC) 的作用.
探索肌细胞参与牛皮的潜在机制.

主要方法:

单细胞,空间转录组和大量RNA测序.
从牛皮病 (PV) 患者和健康对照的病变和非病变皮肤的分析.

主要成果:

鉴定了WNT5A+纤维细胞,ITIH5+VEC和VCAN+VSMC,在受伤的乳头皮肤中比例增加.
观察到的纤维细胞转向WNT5A+表型,激活非正规的Wnt信号,增强血管和炎症前驱功能.
证明了VSMC表型转变以及ITIH5+VEC和VCAN+VSMC在血管生成和血管重塑中的重要作用.
发现的WNT5A+纤维细胞与乳头皮肤中的VECs和VSMCs广泛相互作用.

结论:

皮膜皮质中的流体细胞相互作用在PV中具有病原性.
向 stromal 细胞以改善炎症微环境是一种潜在的光伏治疗策略.

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