Abstract:
:Kinase inhibitors are used widely to treat various cancers, but adaptive reprogramming of kinase cascades and activation of feedback loop mechanisms often contribute to therapeutic resistance. Determining comprehensive, accurate maps of kinase circuits may therefore help elucidate mechanisms of response and resistance to kinase inhibitor therapies. In this study, we identified and validated phosphorylatable target sites across human cell and tissue types to generate PhosphoAtlas, a map of 1,733 functionally interconnected proteins comprising the human phospho-reactome. A systematic curation approach was used to distill protein phosphorylation data cross-referenced from 38 public resources. We demonstrated how a catalog of 2,617 stringently verified heptameric peptide regions at the catalytic interface of kinases and substrates could expose mutations that recurrently perturb specific phospho-hubs. In silico mapping of 2,896 nonsynonymous tumor variants identified from thousands of tumor tissues also revealed that normal and aberrant catalytic interactions co-occur frequently, showing how tumors systematically hijack, as well as spare, particular subnetworks. Overall, our work provides an important new resource for interrogating the human tumor kinome to strategically identify therapeutically actionable kinase networks that drive tumorigenesis. Cancer Res; 76(7); 1733-45. ©2016 AACR.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Olow A,Chen Z,Niedner RH,Wolf DM,Yau C,Pankov A,Lee EP,Brown-Swigart L,van 't Veer LJ,Coppé JPdoi
10.1158/0008-5472.CAN-15-2325-Tsubject
Has Abstractpub_date
2016-04-01 00:00:00pages
1733-45issue
7eissn
0008-5472issn
1538-7445pii
0008-5472.CAN-15-2325-Tjournal_volume
76pub_type
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