骨髓 stromal 细胞抗原-1 缺乏,可以防止急性损伤
Tsuyoshi Inoue1,2, Ryusuke Umene2,3, Sun-Sang J Sung1
1Division of Nephrology, Center for Immunity, Inflammation, and Regenerative Medicine, University of Virginia, Charlottesville, Virginia, United States.
American journal of physiology. Renal physiology
|November 16, 2023
概括
缺乏骨髓 stromal 细胞抗原-1 (Bst1) 的小鼠显示出对急性损伤 (AKI) 的保护. 对中性粒细胞而不是细胞的Bst1驱动AKI,表明Bst1是治疗点.
科学领域:
- 免疫学 免疫学 免疫学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 分子生物学分子生物学
背景情况:
- 骨髓 stromal 细胞抗原-1 (Bst1; CD157) 与各种疾病有关.
- 它在急性损伤 (AKI) 中的作用在很大程度上仍未被探索.
- AKI是一种严重的疾病,死亡率高,治疗选择有限.
研究的目的:
- 调查Bst1在AKI病变发生中的作用.
- 要确定血造细胞或辅酶细胞中的Bst1是否有助于AKI.
- 确定特定的免疫细胞群体表达与AKI相关的Bst1.
主要方法:
- 在小鼠中利用双边缺血-反损伤 (IRI) 模型来诱导AKI.
- 使用骨髓仿真小鼠来区分Bst1.1.的细胞特异性作用.
- 进行了流细胞计,以分析血液细胞和免疫细胞动态中的Bst1表达.
- 进行了体外中性粒细胞迁移测定和收养转移实验.
主要成果:
- 缺乏Bst1 (Bst1淘汰赛) 的小鼠对脏IRI有显著的保护.
- 发现Bst1在造血细胞,特别是中性粒细胞上的表达会诱导脏IRI.
- 流细胞测量主要在脏和骨髓B细胞和中性粒细胞中确定了Bst1.
- 中性粒细胞迁移在Bst1缺乏的小鼠中被抑制,野生型中性粒细胞的采用转移在淘汰小鼠中加剧了IRI.
结论:
- 缺少Bst1可以防止脏IRI.
- 中性粒细胞中的Bst1表达是脏IRI发展的关键因素.
- 在中性粒细胞中准Bst1为AKI提供了潜在的治疗策略.
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