Abstract
We conducted a prospective study to investigate the role of four single nucleotide polymorphisms (SNPs) of XPG on the clinical outcome of advanced non-small cell lung cancer (NSCLC) treated with platinum-based doublets chemotherapy. In total, 277 patients with histologically confirmed NSCLC were mainly from December 2007 and December 2008. The genotypes of rs2296147T > C, rs1047768C > T, rs873601G > A, and rs17655G > C were determined by polymerase chain reaction-restriction fragment length polymorphism. By univariate analysis, a shorter survival was associated with older age, sex, and higher disease stage. By multivariate Cox regression analysis, patients carrying rs2296147 TT genotype and T allele were prognostic factors of progression-free survival (PFS) and overall survival (OS). Similarly, patients carrying rs873601 GG genotype and G allele were marginally significantly associated with favorable outcome for PFS and OS. We found that individuals carrying both rs2296147 T allele and rs873601 G allele were associated with better PFS and OS. However, rs1047768C > T and rs17655G > C polymorphisms did not influence the PFS and OS of advanced NSCLC. In summary, our study provided statistical evidence that XPG rs2296147T > C and rs873601G > A polymorphisms may be used as surrogate markers toward individualizing NSCLC treatment strategies.
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The authors would like to thank the Henan Provincial People's Hospital for providing help as well as patients who provided blood samples for our study.
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Hu, W., Pan, J., Zhao, P. et al. Genetic polymorphisms in XPG could predict clinical outcome of platinum-based chemotherapy for advanced non-small cell lung cancer. Tumor Biol. 35, 5561–5567 (2014). https://doi.org/10.1007/s13277-014-1732-4
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DOI: https://doi.org/10.1007/s13277-014-1732-4