间歇性缺氧通过NLRP3 / IL-1β依赖性热死,由HIF-1α信号通路介导,加剧了喘炎症
Ling Zhou1, Huojun Zhang2, Lu Liu3
1Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
Chinese medical journal
|June 30, 2025
概括
间歇性缺氧通过激活HIF-1α/NLRP3/IL-1β通路而加剧喘,导致热和中性粒细胞炎症. 针对这种途径为患有阻塞性睡眠呼吸暂停-呼吸暂停综合征的喘患者提供了潜在的治疗方法.
科学领域:
- 肺部医学 肺部医学
- 免疫学 免疫学 免疫学
- 细胞生物学 细胞生物学
背景情况:
- 喘是一种常见的慢性呼吸道炎症疾病.
- 间歇性缺氧 (IH) 越来越被认为是影响喘进展的因素.
研究的目的:
- 调查IH是否通过缺氧诱导因子-1α (HIF-1α) /核酸结合寡合化域 (NOD) - - 类似受体皮林域含蛋白3 (NLRP3) /介质素 (IL) - - 1β依赖性热.
- 阐明IH诱导的喘恶化的潜在分子机制.
主要方法:
- 研究了49名严重喘患者,并收集了临床数据和唾液.
- 利用IL-13治疗的BEAS-2B细胞和接受卵胺 (OVA) 治疗的小鼠模型,经历慢性间歇性缺氧 (CIH).
- 在体外和体内评估热,炎症反应和相关的信号通路.
主要成果:
- 呼吸暂停-呼吸暂停指数 (AHI) 的增加与不受控制的喘相关.
- 在暴露于IH的细胞和小鼠肺部中,HIF-1α和NLRP3信号通路被激活,促进热和中性粒细胞炎症.
- 低调HIF-1α及其抑制剂LW6降低了热和炎症;NLRP3激活加剧了炎症.
结论:
- 阻塞性睡眠呼吸暂停-呼吸暂停综合征 (OSAHS) 是喘恶化的危险因素.
- 通过促进HIF-1α介导的NLRP3/IL-1β依赖性热和中性粒细胞炎症,IH使喘恶化.
- HIF-1α信号通路代表了OSAHS喘的潜在治疗标.
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