Non-Coding RNA Polymorphisms (rs2910164 and Rs1333049) Associated With Prognosis of Lung Cancer Under Platinum-Based Chemotherapy
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Lung cancer is the largest cause of cancer deaths in the world. Platinum-based chemotherapy is a foundation of first-line chemotherapy. However, the prognosis of lung cancer treated with platinum-based chemotherapy is still a challenge. Single nucleotide polymorphism of non-coding RNA has the potential to be a biomarker, but its effectiveness has yet to be comprehensively assessed. In this study, we explored the association between polymorphisms of non-coding RNA and prognosis of lung cancer patients receiving platinum-based chemotherapy. For 446 lung cancer patients receiving platinum-based chemotherapy, 22 single nucleotide polymorphisms of microRNA and long noncoding RNA were genotyped by MALDI-TOF mass spectrometry. Cox regression analysis, Kaplan-Meier method, and long-rank test have been performed to assess the association of overall and progression-free survival with polymorphisms. In the additive and dominant models, genetic polymorphism of rs1333049 (G > C) was significantly associated with progression-free survival. Additive model: CC vs GC vs GG [HR = 0.84, = 0.021, 95% CI (0.73-0.97)]; Recessive model: CC vs GG + GC [HR = 0.77, = 0.026, 95% CI (0.61-0.97)]. In the dominant model, compared with the CC genotype patients, lower risk of death [HR = 0.81, = 0.036, 95% CI (0.66-0.99)] and lower risk of progression [HR = 0.81, = 0.040, 95% CI (0.67-0.99)] have been observed on the patients with CG or GG genotype in rs2910164. Our research demonstrated the potential of using rs1333049 (G > C) and rs2910164 (C > G) as biomarkers to support the prediction of a better prognosis for lung cancer patients receiving platinum-based chemotherapy.
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