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Δ113p53/Δ133p53将P53从DNA双链断裂修复的抑制因子转变为促进因子。

Δ113p53/Δ133p53 converts P53 from a repressor to a promoter of DNA double-stand break repair.

作者信息

Gong Lu, Chen Jun

机构信息

Key laboratory for Molecular Animal Nutrition, Ministry of Education, College of Life Sciences, Zhejiang University , Hangzhou, China.

出版信息

Mol Cell Oncol. 2015 May 27;3(1):e1033587. doi: 10.1080/23723556.2015.1033587. eCollection 2016 Jan.

DOI:10.1080/23723556.2015.1033587
PMID:27308550
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4845190/
Abstract

In response to DNA damage, p53 (TP53, best known as p53) is quickly activated leading to cell cycle arrest or apoptosis to ensure genomic integrity; however, this represses DNA double-strand break (DSB) repair. Our recent work revealed that Δ113p53/Δ133p53 protein is accumulated at a later stage upon DNA DSB stress to switch p53 signaling from repression to promotion of DNA DSB repair.

摘要

响应DNA损伤时,p53(TP53,最为人所知的名称是p53)会迅速被激活,导致细胞周期停滞或凋亡,以确保基因组完整性;然而,这会抑制DNA双链断裂(DSB)修复。我们最近的研究表明,在DNA DSB应激后期,Δ113p53/Δ133p53蛋白会积累,从而将p53信号从抑制DNA DSB修复转变为促进DNA DSB修复。

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本文引用的文献

1
p53 isoform Δ113p53/Δ133p53 promotes DNA double-strand break repair to protect cell from death and senescence in response to DNA damage.p53 异构体Δ113p53/Δ133p53促进DNA双链断裂修复,以保护细胞免受DNA损伤诱导的死亡和衰老。
Cell Res. 2015 Mar;25(3):351-69. doi: 10.1038/cr.2015.22. Epub 2015 Feb 20.
2
p53Ψ is a transcriptionally inactive p53 isoform able to reprogram cells toward a metastatic-like state.p53Ψ 是一种转录失活的 p53 异构体,能够将细胞重编程为类似转移的状态。
Proc Natl Acad Sci U S A. 2014 Aug 12;111(32):E3287-96. doi: 10.1073/pnas.1321640111. Epub 2014 Jul 29.
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p53 Isoforms: An Intracellular Microprocessor?p53 异构体:一种细胞内微处理器?
Genes Cancer. 2011 Apr;2(4):453-65. doi: 10.1177/1947601911408893.
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Identification and classification of chromosomal aberrations in human induced pluripotent stem cells.人类诱导多能干细胞中染色体畸变的鉴定和分类。
Cell Stem Cell. 2010 Oct 8;7(4):521-31. doi: 10.1016/j.stem.2010.07.017.
5
p53 regulates the transcription of its Delta133p53 isoform through specific response elements contained within the TP53 P2 internal promoter.p53 通过其 Delta133p53 异构体中包含的特定反应元件调节 TP53 P2 内部启动子的转录。
Oncogene. 2010 May 6;29(18):2691-700. doi: 10.1038/onc.2010.26. Epub 2010 Mar 1.
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The first 30 years of p53: growing ever more complex.p53的头30年:愈发复杂
Nat Rev Cancer. 2009 Oct;9(10):749-58. doi: 10.1038/nrc2723.
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A p53-mediated DNA damage response limits reprogramming to ensure iPS cell genomic integrity.p53介导的DNA损伤反应限制重编程以确保诱导多能干细胞基因组的完整性。
Nature. 2009 Aug 27;460(7259):1149-53. doi: 10.1038/nature08287. Epub 2009 Aug 9.
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DNA double-strand break repair activities in mammary epithelial cells--influence of endogenous p53 variants.乳腺上皮细胞中的DNA双链断裂修复活性——内源性p53变体的影响
Carcinogenesis. 2009 Jul;30(7):1260-8. doi: 10.1093/carcin/bgp117. Epub 2009 May 8.
9
p53 isoform delta113p53 is a p53 target gene that antagonizes p53 apoptotic activity via BclxL activation in zebrafish.p53 异构体 delta113p53 是一种 p53 靶基因,其在斑马鱼中通过激活 BclxL 拮抗 p53 的凋亡活性。
Genes Dev. 2009 Feb 1;23(3):278-90. doi: 10.1101/gad.1761609.
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Genome maintenance mechanisms for preventing cancer.预防癌症的基因组维持机制。
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