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- W2403959377 abstract "Proceedings: AACR 106th Annual Meeting 2015; April 18-22, 2015; Philadelphia, PACancer results from processes prone to selective pressure and dysregulation acting along the sequence-to- phenotype continuum DNA→RNA→Protein→Disease. An Omics Array integrating DNA gene copy number, mRNA transcriptome, and quantified proteome was assembled into a genetic map representing non-small cell lung carcinoma (NSCLC). Data were collected from patient-matched normal lung, primary tumors, and patient tumor-derived xenograft (PDX) tumors. Dysregulated proteins not previously implicated as cancer drivers were found encoded throughout the genome including but not limited to regions of recurrent DNA amplification/deletion in NSCLC. Unsupervised clustering revealed signatures comprising metabolism proteins particularly highly recapitulated between matched primary and PDX tumors, and which distinguished between the major NSCLC histological subtypes adenocarcinoma (ADC) and squamous cell carcinoma (SCC). Interrogation of The Cancer Genome Atlas (TCGA) revealed sizeable cohorts of NSCLC patients with DNA alterations in genes encoding the metabolism proteome signatures, and accompanied by differences in survival. Similar to the proteome signatures from which they were extrapolated, the gene mutation signatures with prognostic impact discriminated between the lung ADC and SCC subtypes. Serine hydroxymethyltransferase 2 (SHMT2), a key enzyme in serine/glycine and folate- dependent one-carbon metabolism, is upregulated in the proteomes of NSCLC primary and PDX tumours, and is implicated as a driver of recurrent chromosome 12q14.1 amplification in NSCLC. SHMT2, along with other enzymes implicated as anti-folate targets, is also part of a metabolism proteome signature associated with poor outcome in lung ADC. The interrogation of cancer genomes and proteomes for alterations that are related products of selective pressures driving the cancer phenotype may be a general approach to uncover and group together cryptic, polygenic cancer drivers, which might represent new anti-cancer therapeutic targets.Citation Format: Michael F. Moran, Lei Li, Yuhong Wei, Paul Taylor, Christine To, Jiefei Tong, Vladimir Ignatchenko, Melania Pintilie, Nhu-An Pham, Wen Zhang, Lakshmi Muthuswamy, Frances A. Shepherd, Thomas Kislinger, Ming S. Tsao. Integrated omic analysis of lung cancer reveals metabolism-proteome signatures with prognostic impact. [abstract]. In: Proceedings of the 106th Annual Meeting of the American Association for Cancer Research; 2015 Apr 18-22; Philadelphia, PA. Philadelphia (PA): AACR; Cancer Res 2015;75(15 Suppl):Abstract nr SY33-04. doi:10.1158/1538-7445.AM2015-SY33-04" @default.
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- W2403959377 date "2015-08-01" @default.
- W2403959377 modified "2023-09-26" @default.
- W2403959377 title "Abstract SY33-04: Integrated omic analysis of lung cancer reveals metabolism-proteome signatures with prognostic impact" @default.
- W2403959377 doi "https://doi.org/10.1158/1538-7445.am2015-sy33-04" @default.
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