基于费里输送系统和细胞治疗的序列系统,用于调节病态微环境并促进恢复
Lixing Xu1, Jie Yang2, Xinyu Cao1
1Department of Pharmaceutics, School of Pharmacy, Nantong University, Nantong 226001, China.
International journal of pharmaceutics
|August 19, 2024
概括
这项研究开发了一种使用ferritin@MnO2/PLD纳米颗粒和骨髓介质干细胞治疗肝纤维化的序列疗法. 这种方法破坏有害的细胞交叉,修复肝细胞,并促进再生,以有效改善纤维化.
科学领域:
- 生物医学工程 生物医学工程
- 肝病学 肝病学是一种肝病学.
- 纳米医学是一种纳米医学.
背景情况:
- 肝纤维化是由毛细化肝脏侧状内皮细胞 (LSECs),激活的肝星细胞 (aHSCs) 和受损的肝细胞之间的交叉反应加剧的.
- 由于这种复杂的细胞交叉声和受损的肝脏微环境,现有的治疗方法面临挑战.
研究的目的:
- 开发和评估一种连续的组合疗法,以破坏细胞交叉通话并促进肝纤维化中的肝脏修复.
- 为了研究结合骨髓介质干细胞 (BMMSCs) 的ferritin@MnO2/PLD (FMP) 纳米颗粒治疗肝纤维化的疗效.
主要方法:
- 使用H子单元阿波费林制造FMP纳米粒子,通过转激素受体1 (TfR1) 进行向传递.
- 通过PI3K/AKT和KLF2通路对FMP对LSEC化影响的体外和体内评估.
- 评估FMP对HSC激活 (TLR2/TLR4/NF-κB-p65通路),ROS清理和炎症的影响.
- 对促进肝细胞再生和功能恢复的BMMSC管理的评估.
主要成果:
- FMP纳米颗粒成功地准了肝脏,并恢复了LSEC窗,促进了Disse进入太空.
- FMP 抑制了 HSC 激活,清除了 ROS,减少了炎症,并重塑了微环境.
- 连续的FMP和BMMSC疗法显著减轻了CCl4诱导的肝纤维化,改善了纤维状况.
结论:
- 综合序列疗法通过破坏有害的细胞相互作用和重塑肝脏微环境,有效治疗肝纤维化.
- 这一策略为肝纤维化临床干预提供了一个有前途的治疗方法.
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