载有 MiR-29a 的细胞外囊泡通过 HCC 细胞的自性阻塞有效诱导了亡
Homeyra Seydi1, Kosar Nouri1, Bahare Shokouhian2
1Department of Developmental Biology, University of Science and Culture, ACECR, Tehran 14155-4364, Iran; Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran 14155-4364, Iran; Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran 14155-4364, Iran.
装有miR-29a的细胞外囊泡有效诱导细胞亡,并抑制肝细胞癌 (HCC) 细胞的增殖. 这种方法针对自,通过克服药物耐药性,为HCC治疗提供了一个有希望的策略.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 生物技术是生物技术.
背景情况:
- 肝细胞癌 (HCC) 尽管治疗进展,但死亡率很高.
- 治疗耐药性和亡逃避是HCC管理的主要挑战.
- 自有助于HCC的耐药性,而已知可以抵消自的miR-29a在HCC患者中是下调的.
研究的目的:
- 为了研究miR-29a对HCC细胞的自和亡的影响.
- 利用细胞外囊泡 (EVs) 作为miR-29a.的自然输送系统.
- 为了评估在体外和体内介导的EVs介导的miR-29a输送的治疗潜力.
主要方法:
- 人类沃顿介质介质层细胞衍生的EVs (EV20K和EV110K) 的分离和表征.
- 将miR-29a装入电动汽车,并评估装载效率.
- 在体外和体内对HCC细胞系 (Huh-7和HepG2) 的评估.
主要成果:
- EV20K-miR-29a治疗显著诱导了HCC细胞系的亡,减少了HCC细胞系中的增殖和殖民地形成.
- 观察到LC3-II/LC3-I比率的增加和TFEB和ATG9A表达的下调.
- 这些结果表明,EV20K-miR-29a有效地阻断了自,导致了亡.
结论:
- 通过EVs介导的miR-29a传递是一种强有力的策略,可以诱导HCC细胞的亡.
- 这种方法通过准关键的监管调解者,有效地抑制了自.
- EVs-miR-29a有望克服治疗耐药性并改善HCC治疗结果.
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