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Ref Type Journal Article
PMID (22541434)
Authors Kumar MS, Hancock DC, Molina-Arcas M, Steckel M, East P, Diefenbacher M, Armenteros-Monterroso E, Lassailly F, Matthews N, Nye E, Stamp G, Behrens A, Downward J
Title The GATA2 transcriptional network is requisite for RAS oncogene-driven non-small cell lung cancer.
Journal Vol Issue Date Pages Journal Short Title
Cell 149 3 2012 Apr 27 642-55 Cell
URL
Abstract Text Non-small cell lung cancer (NSCLC) is the most frequent cause of cancer deaths worldwide; nearly half contain mutations in the receptor tyrosine kinase/RAS pathway. Here we show that RAS-pathway mutant NSCLC cells depend on the transcription factor GATA2. Loss of GATA2 reduced the viability of NSCLC cells with RAS-pathway mutations, whereas wild-type cells were unaffected. Integrated gene expression and genome occupancy analyses revealed GATA2 regulation of the proteasome, and IL-1-signaling, and Rho-signaling pathways. These pathways were functionally significant, as reactivation rescued viability after GATA2 depletion. In a Kras-driven NSCLC mouse model, Gata2 loss dramatically reduced tumor development. Furthermore, Gata2 deletion in established Kras mutant tumors induced striking regression. Although GATA2 itself is likely undruggable, combined suppression of GATA2-regulated pathways with clinically approved inhibitors caused marked tumor clearance. Discovery of the nononcogene addiction of KRAS mutant lung cancers to GATA2 presents a network of druggable pathways for therapeutic exploitation.

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Molecular Profile Treatment Approach
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Drugs Efficacy Evidence Clinical Trials
Drug Name Trade Name Synonyms Drug Classes Drug Description
Gene Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References