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从不同来源采集的干细胞改善肝纤维化:比较研究
Islam S Ali1, Nadeen D Abdel-Wahab2, Ahmed Nabil3
1Basic Science Department, Delta University for Science and Technology, Gamasa, 35712, Dakahlia, Egypt.
Stem cell research & therapy
|October 31, 2025
概括
肝纤维化可以用介酶干细胞治疗. 与骨髓和脂肪衍生的干细胞相比,肝脏衍生的间酶干细胞 (L-MSCs) 在减少肝脏损伤和纤维化方面表现最好.
科学领域:
- 再生医学是一种再生医学.
- 肝病学 肝病学是一种肝病学.
- 干细胞疗法 干细胞疗法
背景情况:
- 肝纤维化是一种严重的肝病,治疗选择有限.
- 乙胺 (TAA) 诱导的肝毒性是研究肝纤维化的常见模型.
- 介质细胞干细胞 (MSCs) 正在研究它们在肝脏疾病中的治疗潜力.
研究的目的:
- 评估脂肪 (AD-MSCs),骨髓 (BM-MSCs) 和肝脏衍生 (L-MSCs) 中介细胞干细胞在酸诱导肝纤维化的小鼠模型中的肝脏保护作用.
- 为了比较不同MSC来源在改善肝损伤和纤维化方面的疗效.
主要方法:
- 50只雄性Wistar大鼠使用硫乙胺 (TAA) 诱导肝纤维化.
- 在诱导纤维化后,大鼠被分为四组:TAA控制,并用BM-MSCs,AD-MSCs或L-MSCs (3 × 10^6细胞/大鼠) 治疗.
- 进行了肝功能测试 (ALT,AST,胆红素,白蛋白),氧化应激标志物 (GSH,SOD,CAT,MDA,NO),纤维化标志物 (基,原蛋白类型-1,ASMA基因表达) 和组织病理纤维化评估.
主要成果:
- 同源干细胞治疗显著改善了肝功能测试,并减少了氧化应激.
- 在L-MSC中,肝酶 (ALT,AST),总胆红素和MDA/NO水平的降低是最显著的.
- L-MSCs还显示了白蛋白,GSH,SOD和CAT水平的最大增加,同时氧,原蛋白-1型,ASMA表达和整体纤维化百分比显著下降.
结论:
- 介酶干细胞,特别是L-MSCs,对TAA诱导的肝纤维化具有显著的肝保护作用.
- 与BM-MSCs和AD-MSCs相比,L-MSCs在改善肝功能,减少氧化应激和减轻纤维化方面提供了更好的治疗效益.
- 这些发现突显了L-MSCs作为肝纤维化治疗有前途的治疗策略的潜力.
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