对于Bcl-2-功能转换释放和与CELASTROL的协同作用,以加强对抗抗性癌症的治疗
Yuehuang Wu1, Min Zhou1, Ruimiao Lin1
1School of Pharmaceutical Sciences, and Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiang'an South Road, Xiamen, Fujian 361102, China.
ACS applied materials & interfaces
|June 14, 2023
概括
这项研究开发了一种新型纳米系统,可提供 (N9) 和,有效治疗耐药癌症. 结合疗法通过诱导癌细胞的亡,实现了90%的瘤抑制.
科学领域:
- 生物医学工程 生物医学工程
- 纳米技术 纳米技术
- 癌症治疗 癌症治疗
背景情况:
- 癌症的多重耐药性 (MDR) 限制了化疗的疗效.
- 生物大分子在稳定性和细胞内传递方面面临挑战,用于协同治疗癌症.
- 简单的药物组合往往无法达到预期的协同效应.
研究的目的:
- 开发一种新型的纳米系统,用于控制 (N9) 和的输送,以对抗抗药性瘤.
- 为了研究N9的pH响应释放从中等性二氧化纳米颗粒.
- 评估N9负载纳米系统与耐药癌症中CELASTROL结合的协同治疗效应.
主要方法:
- 制造多臂 PEG 接的半孔性二氧化纳米颗粒 (M-CA~8P) 封装 Bcl-2-功能转化 (N9).
- 在体外和体内的pH响应N9释放的评估.
- 在抗癌细胞系和异种移植小鼠模型中对联合N9@M-CA~8P纳米系统和切拉斯特治疗的评估.
主要成果:
- 在模拟生理环境,癌细胞和瘤部位中,N9从M-CA~8P纳米系统中表现出pH响应的释放.
- 结合治疗N9@M-CA~8P纳米系统和切拉斯特实现了90%的瘤抑制.
- 治疗诱导了抗性癌细胞和异种移植模型中的线粒体介导的亡.
结论:
- 开发的刺激响应生物宏分子纳米系统能够有效和安全地治疗耐药癌症.
- 将N9载荷的纳米系统与低剂量的醇相结合,可以协同诱导亡并提高治疗结果.
- 这种方法为克服癌症多药耐药性提供了一个有希望的策略.
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