A genome-wide RNAi screen identifies multiple synthetic lethal interactions with the Ras oncogene.
A genome-wide RNAi screen identifies multiple synthetic lethal interactions with the Ras oncogene.
复制标题
全基因组的RNAi筛查鉴定了与RAS癌基因的多种合成致死相互作用。
DOI:
10.1016/j.cell.2009.05.006
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发表时间:
2009-05-29
期刊:
影响因子:
64.5
通讯作者:
Elledge SJ
中科院分区:
文献类型:
--
作者:
Luo J;Emanuele MJ;Li D;Creighton CJ;Schlabach MR;Westbrook TF;Wong KK;Elledge SJ
Oncogenic mutations in the small GTPase Ras are highly prevalent in cancer, but an understanding of the vulnerabilities of these cancers is lacking. We undertook a genome-wide RNAi screen to identify synthetic lethal interactions with the KRAS oncogene. We discovered a diverse set of proteins whose depletion selectively impaired the viability of Ras mutant cells. Among these we observed a strong enrichment for genes with mitotic functions. We describe a pathway involving the mitotic kinase PLK1, the anaphase promoting complex/cyclosome and the proteasome that, when inhibited, results in prometaphase accumulation and the subsequent death of Ras mutant cells. Gene expression analysis indicates that reduced expression of genes in this pathway correlates with increased survival of patients bearing tumors with a Ras transcriptional signature. Our results suggest a previously underappreciated role for Ras in mitotic progression and demonstrate a pharmacologically tractable pathway for the potential treatment of cancers harboring Ras mutations.
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影响因子:
20.3
作者:
Liu, PC;Leong, T;VanNess, B
通讯作者:
VanNess, B
影响因子:
82.9
作者:
通讯作者:
--
影响因子:
64.5
作者:
Eldridge, AG;Loktev, AV;Jackson, PK
通讯作者:
Jackson, PK
影响因子:
82.9
作者:
Beer, DG;Kardia, SLR;Hanash, S
通讯作者:
Hanash, S
影响因子:
64.8
作者:
Macurek, Libor;Lindqvist, Arne;Medema, Rene H.
通讯作者:
Medema, Rene H.