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预先存在的糖尿病改变了肺炎性基因表达,为受伤进行了原始化
Abdulaziz H Alanazi1,2,3, Mohamed S Selim1,2, Fang Liu1,2
1Clinical and Experimental Therapeutics, University of Georgia, Augusta, Georgia, USA.
概括
糖尿病预备肺部的炎症和损伤,增加对急性肺损伤 (ALI) 的易感性. 糖尿病肺部显示炎症标志物增加和液体积累,即使没有外部触发因素.
科学领域:
- 肺部医学 肺部医学
- 内分泌学 在内分泌学.
- 免疫学 免疫学 免疫学
背景情况:
- 糖尿病 (DM) 与心血管问题有关,但其对肺部的影响不太了解.
- 以前存在的DM可能会改变肺炎和对急性肺损伤 (ALI) 的易感性.
研究的目的:
- 研究先前存在的糖尿病如何影响肺炎和ALI.
- 确定糖尿病肺中的分子通路,这些通路有助于肺部脆弱性.
主要方法:
- 来自糖尿病和非糖尿病小鼠的肺组织的RNA测序.
- 生物信息学和基因丰富分析.
- 在使用生理学,组织学和分子技术的脂多糖诱导性败血症模型中评估肺炎和损伤.
主要成果:
- 糖尿病肺部显示上调的炎症通路和损害了内皮屏障的完整性.
- 仅DM就增加了炎症性细胞因子 (TNF-α,IL-1β,MCP-1,CXCL-1),液体积累和肺部结构变化.
- 没有观察到DM和LPS在恶化ALI方面具有添加或协同作用.
结论:
- 糖尿病对肺部起作用,增加了对ALI的基线易感性.
- 针对DM相关的分子通路可以减轻糖尿病患者的肺部并发症.
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