集成蛋白β3过度表达的介酶体 stromal 细胞显示增强的回归,并可以减少动脉样硬化斑块
Hai-Juan Hu1, Xue-Ru Xiao2, Tong Li1
1First Division, Department of Cardiology, The Second Hospital of Hebei Medical University and Institute of Cardiocerebrovascular Disease of Hebei Province, Shijiazhuang 050000, Hebei Province, China.
World journal of stem cells
|October 30, 2023
概括
在介质干细胞 (MSCs) 中过度表达整合蛋白β3 (ITGB3) 显著改善了它们对动脉样硬化斑块的定位. 这种增强的细胞递送优化了治疗效果,减少了斑块大小和炎症.
科学领域:
- 干细胞生物学 干细胞生物学
- 心血管研究研究心血管研究
- 再生医学是一种再生医学.
背景情况:
- 介质干细胞 (MSC) 移植是动脉样硬化血管疾病的有前途治疗方法.
- 已知集成蛋白β3 (ITGB3) 增强细胞迁移,但其在MSC向动脉样硬化斑块导向的作用尚不清楚.
研究的目的:
- 研究带介质干细胞 (MSCs) 中过度表达整合蛋白β3 (ITGB3) 是否改善它们对动脉样硬化病变的指导.
- 在动脉样硬化小鼠模型中评估ITGB3修饰的MSCs的治疗潜力.
主要方法:
- 带MSCs经过基因改造,使用lentiviral载体过度表达ITGB3.
- 动脉样硬化诱导在被高脂肪饮食养的阿波利波蛋白E淘汰赛小鼠中.
- 小鼠接受了ITGB3过度表达MSC (MSCsITGB3) 或控制MSC (MSCsGFP) 的静脉移植;随后的分析包括免疫光,油红O染色和分子测定.
主要成果:
- 在体外,MSCITGB3与对照MSC相比显著增强迁移.
- 免疫光和组织学分析证实,ITGB3过度表达大大改善了MSC对动脉样硬化斑块部位的定位.
- 移植MSCITGB3导致动脉样硬化斑块面积显著减少,并降低了局部炎症反应.
结论:
- 过度表达ITGB3增强了MSCs对动脉样硬化斑块的定位能力.
- 这一策略为改善MSC向目标部位的输送提供了一种潜在的方法,从而优化其治疗动脉样硬化治疗的疗效.
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