Journal
CLINICAL CANCER RESEARCH
Volume 17, Issue 8, Pages 2410-2416Publisher
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/1078-0432.CCR-10-2394
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Funding
- Associazione and Fondazione Italiana Ricerca Cancro (AIRC and FIRC)
- AIRC Antonietta Andreoli
- Associazione Marta Nurizzo fellowships
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Purpose: The main prognostic factor of lung cancer patient outcome is clinical stage, a parameter of tumor aggressiveness. Our study was conducted to test whether germ line variations modulate individual differences in clinical stage. Experimental Design: We conducted a case-only genome-wide association study (GWAS) using a 620,901 single-nucleotide polymorphism (SNP) array in a first series of 600 lung adenocarcinoma (ADCA) patients and in a replication series of 317 lung ADCA patients. Results: GWAS identified 54 putatively associated SNPs, 3 of which were confirmed in the replication series. Joint analysis of the two series pointed to 22 statistically associated (P < 0.01) genetic variants that together explained about 20% of the phenotypic variation in clinical staging (P < 2 x 10(-16)) and showed a statistically significant difference in overall survival (P = 8.0 x 10(-8)). The strongest statistical association was observed at rs10278557 (P = 1.1 x 10(-5)), located in the mesenchyme homeobox 2 (MEOX2) gene. Conclusion: These data point to the role of germ line variations involving multiple loci in modulating clinical stage and, therefore, prognosis in lungADCApatients. Clin Cancer Res; 17(8); 2410-6. (C) 2011 AACR.
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