A conditional transposon-based insertional mutagenesis screen for genes associated with mouse hepatocellular carcinoma.

A conditional transposon-based insertional mutagenesis screen for genes associated with mouse hepatocellular carcinoma.
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DOI:
10.1038/nbt.1526
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发表时间:
2009-03
影响因子:
46.9
通讯作者:
Largaespada, David A.
Largaespada, David A.
中科院分区:
工程技术1区
文献类型:
--
作者:
Keng, Vincent W.;Villanueva, Augusto;Chiang, Derek Y.;Dupuy, Adam J.;Ryan, Barbara J.;Matise, Ilze;Silverstein, Kevin A. T.;Sarver, Aaron;Starr, Timothy K.;Akagi, Keiko;Tessarollo, Lino;Collier, Lara S.;Powers, Scott;Lowe, Scott W.;Jenkins, Nancy A.;Copeland, Neal G.;Llovet, Josep M.;Largaespada, David A.

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Here we describe a Sleeping Beauty (SB) transposition system that utilizes a conditional SB transposase allele, which can be activated by Cre recombinase to drive the transposition of a mutagenic transposon in virtually any tissue and control the type of cancer produced. To demonstrate the potential of this system for modeling cancer in mice, we used it to screen for hepatocellular carcinoma (HCC) associated genes in mice by specifically limiting SB transposition to the liver. Among 8,060 non-redundant insertions subsequently cloned from 68 tumor nodules we identified 19 highly significant candidate disease loci, which encode genes like EGFR and MET that are known HCC genes and others like UBE2H that are not strongly implicated in HCC but represent potential new therapeutic targets for treating this neoplasm. With these improvements, transposon-based insertional mutagenesis now offers great potential for better understanding the cancer genome and for identifying new targets for therapeutic development.
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