针对线粒体的多功能纳米药物通过抑制新陈代谢重编程来对抗抗西斯普拉丁耐药肺癌
Haibin Lu1, Weifang Tong2, Meixu Jiang1
1Jilin University School of Pharmaceutical Sciences, Changchun 130021, China.
ACS nano
|August 1, 2024
概括
这项研究开发了一种新的纳米粒子系统,以克服肺癌中西斯胺耐药性的问题. 该系统准线粒体,输送药物损害线粒体DNA和抑制糖解,导致协同作用的癌细胞死亡.
科学领域:
- 生物医学工程 生物医学工程
- 癌症研究 癌症研究
- 药物输送系统 药物输送系统
背景情况:
- 西斯普拉丁耐药性是癌症治疗中的一个主要临床挑战.
- 瘤细胞表现出代谢可塑性,在糖解和线粒体氧化酸化 (OXPHOS) 之间切换,以发展抵抗力.
- 线粒体DNA (mtDNA) 易受损伤,可以被基于的药物准.
研究的目的:
- 开发一个有针对性的药物输送系统,以克服肺癌中西斯胺耐药性.
- 调查针对西斯抗性细胞中mtDNA和糖解的协同效应.
主要方法:
- 构建一个自组装的,针对线粒体的纳米粒子系统 (LND-SS-Pt-TPP/HA-CD).
- 该系统封装了隆尼达胺 (LND) 和一种西斯原药 (Pt(IV)) 并准CD44受体.
- 线粒体的传递由三酸 (TPP+) 组促进,二硫化键在氨酸 (GSH) 降解时释放药物.
主要成果:
- 这些纳米颗粒有效地将LND和Pt(IV) 传递到线粒体,在那里Pt(IV) 被减少为思丁 (Pt(II)).
- 西斯普拉丁诱导了mtDNA损伤,线粒体功能障碍和线粒体,影响了OXPHOS.
- LND降低了赫索金酶II (HKII) 水平,抑制了糖解,并破坏了线粒体功能.
结论:
- 开发的纳米药物输送系统协同杀死耐思的肺癌细胞.
- 这种方法提供了一种潜在的策略,通过破坏线粒体功能和能量代谢来克服青的耐药性.
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