Abstract
A number of genome-wide association studies have reported several variants that influence the risk of lung cancer in never-smoking females. We evaluated the impact of these variants on survival outcome in never-smoking females with non-small cell lung cancer (NSCLC). In total, 510 never-smoking females with NSCLC who underwent curative surgery were enrolled. Eleven variants associated with lung cancer susceptibility in never-smoking females were genotyped and their associations with survival outcome were analyzed. Among these 11 variants, TP63 rs7631358 and CSF1R rs10079250 affected survival outcomes. TP63 rs7631358 G > A was associated with a relatively worse overall survival (under a dominant model; hazard ratio = 2.31, 95% confidence interval = 1.18-4.52, P = 0.01). CSF1R rs10079250 A > G was associated with a relatively better disease-free survival (under a codominant model; hazard ratio = 0.70, 95% confidence interval = 0.53-0.93, P = 0.01). These results suggest that TP63 rs7631358 G > A and CSF1R rs10079250 A > G may affect the prognosis of NSCLC in never-smoking females, as well as the risk of lung cancer.
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