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Background  Patients with lung cancer (LC) have a poor quality of life (QoL) and easily suffer from psychological diseases. Previous studies focused less on the relationship between genetic factors and QoL, depression, and anxiety status in LC patients. The current study is intended to explore the relationship between SNPs and haplotypes of ERCC1 and ERCC2 and the QoL, depression and anxiety status of patients with LC.    Methods  QoL, depression and anxiety status were assessed in 291 LC patients using the European Organization for Research and Treatment of Cancer (EORTC) Core Quality of Life Questionnaire (QLQ-C30), EORTC Quality of Life Questionnaire-Lung Cancer 13 (QLQ-LC13), SDS and SAS. Nine tag SNPs of ERCC1 and ERCC2 were detected using an improved multiplex ligation detection reaction (iMLDR) technique. Haplotype analysis was conducted using the software Haploview 4.2. The association between SNPs or haplotypes and QoL or depression or anxiety in LC patients was analyzed by regression analysis.    Results  ERCC1 rs11615 was associated with emotional functioning ( P  = 0.027), and ERCC1 rs3212986 was associated with anxiety scores ( P  = 0.018). ERCC1 rs762562-rs3212986 haplotype was associated with cognitive function ( P  = 0.029), somatic function ( P  = 0.014) and dysphagia (OR = 3.32,  P  = 0.044). Patients with ERCC1 rs3212986-rs11615 AG haplotype had worse cognitive function (adjusted Beta = − 5.42) and somatic function (adjusted Beta = − 6.55) and had severer symptoms of loss of appetite (adjusted OR = 1.67) and dysphagia (adjusted OR = 4.43) (All adjusted  P  < 0.05). ERCC2 rs13181-rs3916874-rs238416 haplotype was associated with emotional functioning ( P  = 0.035), pain at other sites (OR 1.88,  P  = 0.014), chest pain (OR 0.42,  P  = 0.02), dysphagia (OR 2.82,  P  = 0.048), and anxiety status (OR 0.23,  P  = 0.009).    Conclusion  After adjustment for environmental factors, SNPs and haplotypes of ERCC1 and ERCC2 were associated with different domains of QoL, depression and anxiety in LC patients.    Supplementary Information  The online version contains supplementary material available at 10.1186/s12885-021-08570-5.

bmc cancer

Genetic polymorphisms and haplotypes of ERCC1 and ERCC2 associated with quality of life, depression, and anxiety status among patients with lung cancer