通过协同性铁和脱硫来利用代谢漏洞来治疗乳腺癌
Yu Liang1, Haibo Lan2, Qiuyu Li2
1Department of Medicine Ultrasonics, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China.
这项研究引入了乳腺癌的双模式治疗方法,结合了铁和硫化,以克服治疗耐药性. 装有BAY876的新型Fe-Cu-SS金属有机框架 (MOF) 有效地准脂质过氧化和葡萄糖代谢,提高治疗结果.
科学领域:
- 生物医学工程 生物医学工程
- 癌症治疗 癌症治疗
- 纳米技术纳米技术
背景情况:
- 铁化是一种有前途的乳腺癌治疗方法,但通过SLC7A11-GSH-GPX4轴出现抗性.
- 高SLC7A11表达赋予耐铁亡的抵抗力,但在缺乏葡萄糖的情况下使细胞对脱硫亡敏感.
研究的目的:
- 开发一种双模式的治疗策略,针对乳腺癌中的铁和二硫.
- 通过同时准脂质过氧化和葡萄糖代谢,克服铁灭菌耐药性.
主要方法:
- 用BAY876 (FCSP@876 MOF) 装载的Fe-Cu-SS金属有机框架 (MOF) 的合成和表征.
- 在实验室中评估ROS水平,脂质过氧化,NADPH耗尽和西部斑点.
- 在BALB/c小鼠体内进行异种移植实验,以评估协同效应.
主要成果:
- FCSP@876 MOFs诱导了铁亡并抵消了SLC7A11的上调.
- 该策略通过限制葡萄糖吸收和耗尽NADPH,同时诱导铁和脱硫.
- 与单一模式治疗相比,在体外和体外模型中观察到更高的治疗效果.
结论:
- 使用FCSP@876 MOFs成功开发了一种结合铁和脱硫的新型双模式治疗策略.
- 这种方法在乳腺癌治疗中提供了一种有希望的方法来克服铁灭性耐药性.
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