通过LC3siRNA装载的"智能"纳米粒子和多克索鲁比组合疗法在三阴性乳腺癌中增强体外和体内自抑制
Nada Walweel1,2, Venhar Cinar3,4, Osman Mersin5
1Department of Biomedical Engineering, Erciyes University, Kayseri 38039, Turkey.
ACS applied bio materials
|March 8, 2025
概括
这项研究表明,将传递LC3siRNA的"智能"纳米粒子与多克索鲁比结合起来,可以有效地抑制三阴性乳腺癌 (TNBC) 的生长. 这种方法提高了化疗的敏感性,并克服了TNBC的治疗耐药性.
科学领域:
- 生物医学工程 生物医学工程
- 癌症生物学 癌症生物学
- 纳米医学是一种纳米医学.
背景情况:
- 自在癌症中起着双重作用,既可以作为瘤抑制剂,也可以作为瘤促进剂.
- 三阴性乳腺癌 (TNBC) 具有侵略性,治疗选择有限.
- 自抑制是一种增强TNBC化疗的潜在策略.
研究的目的:
- 通过使用LC3siRNA载入纳米粒子 (LC3siRNA-NP) 与多克索鲁比 (DOX) 结合来研究抑制自的协同效应.
- 通过向与自相关的基因LC3.3.来克服TNBC中的化学抵抗.
主要方法:
- 通过使用特定的共聚合物和PEG异构臂β-环氧德克斯核,设计出"智能"纳米粒子 (LC3siRNA-NP).
- 输送LC3siRNA以使TNBC细胞中的LC3基因沉默.
- 评估了LC3siRNA-NP和DOX在体外和体内TNBC模型中的综合作用.
主要成果:
- 同时服用LC3siRNA-NP和DOX显著抑制了TNBC细胞的增殖,迁移和殖民地形成在体外.
- 组合疗法比单一疗法更有效地诱导了亡,并降低了关键的瘤原因标记物 (PARP,cyclin D1,Src).
- 在体内研究表明,在TNBC异种移植模型中,与组合治疗一起,优越的瘤生长抑制.
结论:
- 针对自的纳米载体可以增强TNBC的化疗结果.
- 这种组合方法提供了一种有前途的策略,用于提高化疗敏感性和减少TNBC治疗中的瘤耐药性.
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