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氧气独立的同步ROS生成和低氧产药激活与Z方案异构声敏剂

Yining Chen¹, Tianshu Zou¹, Gaoying Xin¹

¹Engineering Research Center of Bioreactor and Pharmaceutical Development, Ministry of Education, College of Life Science, Jilin Agricultural University, Changchun, 130118, P. R. China.

Advanced materials (Deerfield Beach, Fla.)

|October 19, 2023

概括

这项研究引入了新的纳米粒子,用于无氧联合癌症治疗. 该Z-方案异构纳米粒子使声动疗法和低氧激活前药激活同时,有效地消除瘤.

科学领域:

生物医学工程生物医学工程
纳米技术纳米技术
在瘤学瘤学.

背景情况:

组合疗法为增强瘤治疗提供了一个有希望的策略.
声动力疗法 (SDT) 需要氧气来产生活性氧物种 (ROS).
低氧激活前期药物 (HAP) 需要缺乏氧气的环境来激活,这对结合SDT和HAP治疗构成了挑战.

研究的目的:

开发一种结合SDT和HAPs的无氧治疗策略.
为了克服SDT和HAPs矛盾的氧气要求.
创建一个新的Z-方案异构纳米粒子系统,用于协同的癌症治疗.

主要方法:

制造BiOCl-Au-Ag2S Z-方案异构纳米颗粒装载着提拉巴胺 (TPZ).
在超声波照射下对纳米粒子性能进行评估,以实现高效的电子孔分离.
在体外和体内研究,以评估瘤消除的有效性和机制.

主要成果:

通过分水和自主TPZ激活,独立于氧气,Z模式纳米粒子实现了高效的ROS生成.
超声波辐射诱导了异构结构中有效的电子孔分离,推动了治疗反应.
在体外和体外模型中,在不改变瘤低氧状态的情况下,证明了显著的瘤消除.

结论:

开发的Z-方案异构纳米粒子为无氧协同疗法提供了一种新的解决方案.
这种方法成功地整合了SDT和HAP激活,克服了以前的局限性.
在开发有效的组合癌症治疗策略方面取得了重大进展.

关键词:

Z-方案异构结构的异构结构.低氧激活的前药物是低氧激活的前药物.氧气独立的协同疗法.声动力学疗法声动力学疗法

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