title: Note of clarification of data in the paper titled X-ray repair cross-complementing group 1 codon 399 polymorphism and lung cancer risk: an updated meta-analysis.
abstract: We read with great interest the paper titled "X-ray repair cross-complementing group 1 codon 399 polymorphism and lung cancer risk: an updated meta-analysis" published by Wang et al in Tumor Biology, 2014, 35:411-418. Their results suggest that codon 399 polymorphism of XRCC1 gene might contribute to individual's susceptibility to lung cancer in Asian population and especially in nonsmoking Chinese women. The result is encouraging. Nevertheless, several key issues are worth noticing.
authors.affiliation: Department of General Surgery, First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
authors.forename: Wenlong
authors.initials: W
authors.lastname: Zhai
authors.forename: Ruo
authors.initials: R
authors.lastname: Feng
authors.forename: Haiyu
authors.initials: H
authors.lastname: Wang
authors.forename: Yadong
authors.initials: Y
authors.lastname: Wang
mesh_terms: D004268:DNA-Binding Proteins / Q000235:genetics*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000235:genetics*; D008297:Male; D020641:Polymorphism, Single Nucleotide
chemical_list: D004268:DNA-Binding Proteins
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