从纤维细胞转换的肝细胞样细胞中衍生出的质囊泡 (apoVs) 有效地改善肝纤维化
Zhi Zhong1,2, Xiu-Liang Cui1,3, Kun-Jiang Tan1,3
1National Center for Liver Cancer, Naval Medical University, 366 Qianju Road, Shanghai, 201805, China.
Journal of nanobiotechnology
|September 5, 2024
概括
化学诱导的类似肝细胞的细胞衍生的瘤囊泡 (ciHep-apoVs) 显示出治疗肝纤维化的前景. 这些囊泡通过调节免疫细胞和肝细胞来减少炎症和纤维化.
科学领域:
- 再生医学是一种再生医学.
- 细胞生物学 细胞生物学
- 纳米医学是一种纳米医学.
背景情况:
- 肝纤维化是一个重要的全球健康问题,有效治疗方法有限.
- 化学诱导的肝细胞样细胞 (ciHeps) 具有治疗潜力,但面临诸如血栓栓塞等挑战.
- 随机囊泡 (apoVs) 正在成为生理和病理过程中的关键调节者.
研究的目的:
- 研究ciHep衍生的apoVs (ciHep-apoVs) 在缓解肝纤维化的治疗潜力.
- 阐明ciHep-apoVs通过何种机制发挥其抗纤维菌作用.
主要方法:
- ciHep-apoVs的生成和表征.
- 在体外测试评估巨细胞极化和肝星细胞 (HSC) 活动.
- 在肝纤维化的小鼠模型中,在体内给予ciHep-apoVs.
- 对ciHep-apoVs的蛋白质组和miRNA分析.
主要成果:
- ciHep-apoVs促进了巨细胞的抗炎两极分化,并抑制了激活的HSC (aHSC) 活性.
- 静脉注射ciHep-apoVs可减少小鼠肝脏炎症和纤维化.
- 蛋白质组分析显示,ciHep-apoVs富含调节新陈代谢,信号和ECM相互作用的分子.
- ciHep-apoVs通过协同抑制糖解,PI3K/AKT/mTOR通路和EMT来抑制aHSC的活动.
结论:
- ciHep-apoVs在肝纤维化方面显示出显著的治疗潜力.
- 这些囊泡通过调节关键细胞通路,充当多功能纳米疗法.
- 这些发现表明,ciHep-apoVs可能对治疗各种纤维性疾病有价值.
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