CDH11通过FGFR1促进严重喘中的呼吸道中性质炎症
Haixiong Tang1, Lin Fu2, Changyun Yang2
1Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
概括
卡德林-11 (CDH11) 在严重喘中促进中性友炎症. 阻断CDH11减少了喘模型中的炎症标志物和气道过敏反应,这表明了治疗点.
科学领域:
- 免疫学 免疫学 免疫学
- 肺部病理学 肺部病理学
- 细胞生物学 细胞生物学
背景情况:
- 卡德林-11 (CDH11) 是一种细胞-细胞粘附蛋白,参与组织修复和炎症.
- 严重喘的特点是复杂的炎症过程.
- 对于CDH11在严重喘病原体中的特定作用尚不清楚.
研究的目的:
- 研究CDH11在严重喘中的作用.
- 在喘模型中探索CDH11对抗的治疗潜力.
- 为了阐明CDH11介导的肺炎的潜在机制.
主要方法:
- 对来自严重喘患者和健康对照者的支气管活检样本的分析.
- 建立了两种严重喘的小鼠模型:多二酸 (TDI) 和卵胺/完全弗洛恩德辅助剂 (OVA/CFA).
- 使用SD133的CDH11的药理学对抗作用,再组合CDH11的使用,以及在体内抑制纤维细胞生长因子受体1 (FGFR1).
主要成果:
- 在严重喘患者的呼吸道粘膜中,CDH11表达被上调.
- 在OVA/CFA模型中,CDH11对抗性降低了中性粒细胞积累和IL-6的产生,但并没有降低氨酸性炎症或气道过敏反应.
- 在TDI模型中,CDH11对抗性降低了气道过敏反应,中性友性炎症,IL-6和TNF-α,而不会影响乙素或2型细胞因子.
- 再组合的CDH11诱导了中性粒细胞的招募,由FGFR1抑制减弱.
结论:
- CDH11有助于呼吸道中性友好性炎症和严重喘中的高反应性.
- CDH11对抗性显示出治疗严重喘中的特定炎症途径的潜力.
- FGFR1信号通路介导CDH11诱导的肺中的中性恋炎症.
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