Gene Set: CHEN_LUNG_CANCER_SURVIVAL

Standard name CHEN_LUNG_CANCER_SURVIVAL
Systematic name M8526
Brief description Protein profiles associated with survival in lung adenocarcinoma.
Full description or abstract Morphologic assessment of lung tumors is informative but insufficient to adequately predict patient outcome. We previously identified transcriptional profiles that predict patient survival, and here we identify proteins associated with patient survival in lung adenocarcinoma. A total of 682 individual protein spots were quantified in 90 lung adenocarcinomas by using quantitative two-dimensional polyacrylamide gel electrophoresis analysis. A leave-one-out cross-validation procedure using the top 20 survival-associated proteins identified by Cox modeling indicated that protein profiles as a whole can predict survival in stage I tumor patients (P = 0.01). Thirty-three of 46 survival-associated proteins were identified by using mass spectrometry. Expression of 12 candidate proteins was confirmed as tumor-derived with immunohistochemical analysis and tissue microarrays. Oligonucleotide microarray results from both the same tumors and from an independent study showed mRNAs associated with survival for 11 of 27 encoded genes. Combined analysis of protein and mRNA data revealed 11 components of the glycolysis pathway as associated with poor survival. Among these candidates, phosphoglycerate kinase 1 was associated with survival in the protein study, in both mRNA studies and in an independent validation set of 117 adenocarcinomas and squamous lung tumors using tissue microarrays. Elevated levels of phosphoglycerate kinase 1 in the serum were also significantly correlated with poor outcome in a validation set of 107 patients with lung adenocarcinomas using ELISA analysis. These studies identify new prognostic biomarkers and indicate that protein expression profiles can predict the outcome of patients with early-stage lung cancer.
Collection C2: curated gene sets
      CGP: chemical and genetic perturbations
Source publication Pubmed 14573703   Authors: Chen G,Gharib TG,Wang H,Huang CC,Kuick R,Thomas DG,Shedden KA,Misek DE,Taylor JM,Giordano TJ,Kardia SL,Iannettoni MD,Yee J,Hogg PJ,Orringer MB,Hanash SM,Beer DG
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Organism Homo sapiens
Contributed by Kate Stafford (MSigDB Team)
Source platform HUMAN_GENE_SYMBOL
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Version history 3.0: Renamed from CHEN_LUNG_SURVIVAL

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