铁死亡(Ferroptosis)
铁死亡是一种由过度脂质过氧化诱导的以及铁离子依赖的程序性细胞死亡(图1)。
Ferroptosis is a form of iron-dependent programmed cell death caused by the excessive amount of lipid peroxidation (Fig.1).
图1 铁死亡发生机制示意图1
Fig.1 Schematic diagram of molecular mechanisms for ferroptosis1
本司提供以下方法检测铁死亡:
We use following methods to detect ferroptosis:
方法 (Methods) | 指标 (Indicators) | 样品 (Samples) |
Annexin V染色&流式细胞仪检测(Annexin V staining & Flow cytometric analysis) | 铁死亡细胞 (Ferroptotic cells) | 组织/细胞 (Tissues/Cells) |
免疫印迹 (Western blot,WB)/ 免疫荧光(Immunofluorescence,IF) | 促铁死亡调控因子(Pro-ferroptotic regulators):TFRC,SLC40A1; 抗程序性坏死蛋白(Anti ferroptotic regulators):GPX4,SLC7A11 | 组织/细胞 (Tissues/Cells) |
比色法(Colorimetric) | 铁离子水平(Iron level); 脂质过氧化产物(Products of lipid peroxidation: GSH,MDA | 组织/细胞 (Tissues/Cells) |
荧光法(Fluorimetric) | 胱氨酸摄入检测 (Cystine uptake assay) | 细胞 (Cells) |
C11-BODIPY探针&流式细胞仪检测(C11-BODIPY probe & Flow cytometric analysis) | ROS水平(ROS level) | 细胞 (Cells) |
JC-1染料&流式细胞仪检测(JC-1 dye & Flow cytometric analysis) | 线粒体膜电位(Mitochondrial membrane potential) | 细胞 (Cells) |
诱导(Induce)/抑制(Inhibit) | 诱导剂(Inducer):Erastin,CIL56,iFSP1,FIN56; 抑制剂(Inhibitor):Fer-1,Liproxstatin-1 | 细胞/动物 (Cells/Animals) |
参考文献(Reference)
1 Gao, W., Wang, X., Zhou, Y., Wang, X. & Yu, Y. Autophagy, ferroptosis, pyroptosis, and necroptosis in tumor immunotherapy. Signal Transduct Target Ther 7, 196 (2022). https://doi.org:10.1038/s41392-022-01046-3