Death-seq identifies regulators of cell death and senolytic therapies.

Death-seq identifies regulators of cell death and senolytic therapies.
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Death-seq 识别细胞死亡和 senolytic 疗法的调节因子。

DOI:
10.1016/j.cmet.2023.08.008
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发表时间:
2023
期刊:
影响因子:
29
通讯作者:
Lai,
Lai,
中科院分区:
生物学1区
文献类型:
--
作者:
Colville,Alex;Liu,Jie-Yu;Rodriguez-Mateo,Cristina;Thomas,Samantha;Ishak,HeatherD;Zhou,Ronghao;Klein,JulianDD;Morgens,DavidW;Goshayeshi,Armon;Salvi,JayeshS;Yao,David;Spees,Kaitlyn;Dixon,ScottJ;Liu,Chun;Rhee,June-Wha;Lai,

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选择性消融受损细胞是一种不断发展的治疗衰老相关疾病的方法。由于细胞死亡的时间较短,而且难以对非分裂细胞进行检测,目前用于全基因组筛选的方法通常能力不足,无法确定哪些基因的缺失可能会促进受损或衰老细胞的死亡。在这里,我们建立了“death -seq”,这是一种优化的阳性选择CRISPR筛选,用于识别细胞死亡的增强子和机制。我们的筛选发现了已知的抗衰老ABT-263诱导的细胞死亡的协同增强剂。该筛选还通过一种相关化合物ABT-199在年龄相关疾病模型中发现了细胞死亡和衰老细胞清除的诱导剂,ABT-199单独不具有衰老性,但毒性比ABT-263小。death -seq能够系统筛选细胞死亡途径,揭示受调节的细胞死亡子程序的分子机制,并确定治疗各种病理状态(如衰老、癌症和纤维化)的药物靶点。
Selectively ablating damaged cells is an evolving therapeutic approach for age-related disease. Current methods for genome-wide screens to identify genes whose deletion might promote the death of damaged or senescent cells are generally underpowered because of the short timescales of cell death as well as the difficulty of scaling non-dividing cells. Here, we establish "Death-seq," a positive-selection CRISPR screen optimized to identify enhancers and mechanisms of cell death. Our screens identified synergistic enhancers of cell death induced by the known senolytic ABT-263. The screen also identified inducers of cell death and senescent cell clearance in models of age-related diseases by a related compound, ABT-199, which alone is not senolytic but exhibits less toxicity than ABT-263. Death-seq enables the systematic screening of cell death pathways to uncover molecular mechanisms of regulated cell death subroutines and identifies drug targets for the treatment of diverse pathological states such as senescence, cancer, and fibrosis.
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