A protein interaction landscape of breast cancer.
A protein interaction landscape of breast cancer.
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DOI:
10.1126/science.abf3066
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发表时间:
2021-10
期刊:
影响因子:
56.9
通讯作者:
Krogan, Nevan J.
中科院分区:
文献类型:
--
作者:
Kim, Minkyu;Park, Jisoo;Bouhaddou, Mehdi;Kim, Kyumin;Rojc, Ajda;Modak, Maya;Soucheray, Margaret;McGregor, Michael J.;O'Leary, Patrick;Wolf, Denise;Stevenson, Erica;Foo, Tzeh Keong;Mitchell, Dominique;Herrington, Kari A.;Munoz, Denise P.;Tutuncuoglu, Beril;Chen, Kuei-Ho;Zheng, Fan;Kreisberg, Jason F.;Diolaiti, Morgan E.;Gordan, John D.;Coppe, Jean-Philippe;Swaney, Danielle L.;Xia, Bing;van 't Veer, Laura;Ashworth, Alan;Ideker, Trey;Krogan, Nevan J.
Cancers have been associated with a diverse array of genomic alterations. To help mechanistically understand such alterations in breast invasive carcinoma, we have applied affinity-purification mass spectrometry to delineate comprehensive biophysical interaction networks for 40 frequently altered breast cancer (BC) proteins, with and without relevant mutations, across three human breast cell lines. These networks identify cancer-specific protein-protein interactions (PPIs), interconnect and enrich for common and rare cancer mutations, and are substantially rewired by the introduction of key BC mutations. Our analysis identified PIK3CA-interacting proteins which repress AKT signaling and has uncovered USP28 and UBE2N as functionally relevant interactors of BRCA1. We also show that the PP1 phosphatase regulatory subunit, Spinophilin, interacts with and regulates dephosphorylation of BRCA1 to promote DNA double-strand break repair. Thus, PPI landscapes provide a powerful framework for mechanistically interpreting disease genomic data and can identify valuable new therapeutic targets. Large-scale protein interaction maps of breast cancer genes provide a framework to recognize previously unidentified oncogenic drivers.
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影响因子:
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作者:
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