相关实验视频
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Pooled CRISPR-Based Genetic Screens in Mammalian Cells
Published on: September 4, 2019
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通过CRISPR查,通过双层调节机制,确定PRMT1是关键的亲铁基因
Xin Zhang1, Yajun Duan2, Su Li2
1State Key Laboratory of Natural Medicines, Department of Life Science and Technology, China Pharmaceutical University, Nanjing 211198, China; Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Cancer Research Center, Department of Pharmacology, Shenzhen University Medical School, Shenzhen 518055, China.
Cell reports
|August 23, 2024
概括
蛋白质氨酸甲基转移酶1 (PRMT1) 通过降低谷氨和抑制铁衰减抑制蛋白1 (FSP1) 来促进铁衰. 在小鼠中抑制PRMT1可以防止肝脏铁亡并改善存活率,这表明PRMT1是治疗标.
科学领域:
- 细胞死亡研究 细胞死亡研究
- 分子生物学分子生物学
- 生物化学 生化学
背景情况:
- 铁,一种依赖于铁的细胞死亡,在各种疾病中至关重要.
- 铁亡的调节者仍然不完全理解.
- 识别新型调节剂是治疗开发的关键.
研究的目的:
- 为了确定铁灭的新型调节剂.
- 阐明PRMT1影响铁亡的机制.
- 评估针对PRMT1.1的治疗潜力.
主要方法:
- 基因查CRISPR-Cas9以确定铁灭调节剂.
- 蛋白质与蛋白质相互作用和翻译后修改的分析.
- 在体内研究,使用小鼠肝损伤模型.
主要成果:
- 蛋白质氨酸甲基转移酶1 (PRMT1) 被确定为铁亡的促进物.
- PRMT1降低了溶解物载体家族7成员11 (SLC7A11) 的表达,降低了谷氨 (GSH) 水平.
- PRMT1通过氨酸二甲基化抑制铁灭抑制蛋白1 (FSP1) 的活性,降低CoQ10H2含量.
- 在小鼠中抑制PRMT1,保护小鼠免受肝脏铁亡,并改善生存率.
结论:
- PRMT1是通过多种机制促进铁亡的关键调节者.
- 向PRMT1提供了一种潜在的治疗策略,用于治疗与铁死相关的疾病.
- 抑制PRMT1证明了预防肝脏ferroptosis in vivo的有效性.
关键词:
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