Functional interrogation of DNA damage response variants with base editing screens.
Functional interrogation of DNA damage response variants with base editing screens.
复制标题
用碱基编辑筛选对DNA损伤反应变体进行功能性询问。
DOI:
10.1016/j.cell.2021.01.041
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发表时间:
2021-02-18
期刊:
影响因子:
64.5
通讯作者:
Ciccia A
中科院分区:
文献类型:
--
作者:
Cuella-Martin R;Hayward SB;Fan X;Chen X;Huang JW;Taglialatela A;Leuzzi G;Zhao J;Rabadan R;Lu C;Shen Y;Ciccia A
Mutations in DNA damage response (DDR) genes endanger genome integrity and predispose to cancer and genetic disorders. Here, using CRISPR-dependent cytosine base editing screens, we identify > 2,000 sgRNAs that generate nucleotide variants in 86 DDR genes, resulting in altered cellular fitness upon DNA damage. Among those variants, we discover loss- and gain-of-function mutants in the Tudor domain of the DDR regulator 53BP1 that define a non-canonical surface required for binding the deubiquitinase USP28. Moreover, we characterize variants of the TRAIP ubiquitin ligase that define a domain, whose loss renders cells resistant to topoisomerase I inhibition. Finally, we identify mutations in the ATM kinase with opposing genome stability phenotypes and loss-of-function mutations in the CHK2 kinase previously categorized as variants of uncertain significance for breast cancer. We anticipate that this resource will enable the discovery of additional DDR gene functions and expedite studies of DDR variants in human disease.
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影响因子:
46.9
作者:
Doench JG;Fusi N;Sullender M;Hegde M;Vaimberg EW;Donovan KF;Smith I;Tothova Z;Wilen C;Orchard R;Virgin HW;Listgarten J;Root DE
通讯作者:
Root DE
影响因子:
64.8
作者:
Findlay GM;Daza RM;Martin B;Zhang MD;Leith AP;Gasperini M;Janizek JD;Huang X;Starita LM;Shendure J
通讯作者:
Shendure J
DOI:
10.2147/bctt.s111394
发表时间:
2017
期刊:
Breast cancer (Dove Medical Press)
影响因子:
--
作者:
Apostolou P;Papasotiriou I
通讯作者:
Papasotiriou I
影响因子:
16.6
作者:
Feng W;Jasin M
通讯作者:
Jasin M
影响因子:
16
作者:
Ciccia A;Elledge SJ
通讯作者:
Elledge SJ