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XPA gene rs1800975 single nucleotide polymorphism and lung cancer risk: a meta-analysis.

Abstract

No clear consensus has been reached on the XPA gene rs1800975 polymorphism and lung cancer risk. We performed a meta-analysis in an effort to systematically explore the possible association. We conducted a computer retrieval of PubMed, Embase, Wanfang, China National Knowledge Infrastructure Platform, and VIP databases prior to November 2013. References of retrieved articles were also screened. The fixed- and the random-effects model were applied for dichotomous outcomes to combine the results of the individual studies. According to the inclusion criteria, 10 articles (11 studies) were finally included. In overall, statistical association could be found between rs1800975 polymorphism and lung cancer in recessive genetic model [AA vs. (AG + GG): P = 0.02, OR = 1.16, 95% CI 1.02-1.31, P heterogeneity = 0.14, fixed-effects model]. In the East Asians, significant association was found in allele comparison model (A vs. G: P = 0.03, OR = 1.13, 95% CI 1.01-1.26, P heterogeneity = 0.39, fixed-effects model), in recessive genetic model [AA vs. (AG + GG): P = 0.005, OR = 1.30, 95% CI 1.08-1.56, P heterogeneity = 0.58, fixed-effects model] and in the homozygote comparison (AA vs. GG: P = 0.02, OR = 1.30, 95% CI 1.04-1.63, P heterogeneity = 0.39, fixed-effects model). No evidence suggested that rs1800975 polymorphism might associate with lung cancer in other ethnicities. Stratification analysis performed by histologic types indicated that AA genotype might represent a risk factor for squamous cell carcinoma [AA vs. (AG + GG): P = 0.01, OR = 1.42, 95% CI 1.08-1.86, P heterogeneity = 0.27, fixed-effects model; AA vs. GG: P = 0.03, OR = 1.43, 95% CI 1.04-1.96, P heterogeneity = 0.21, fixed-effects model]. No association was observed in adenocarcinoma subgroup. Our study suggested that XPA rs1800975 polymorphism might associate with lung cancer risk in overall and in East Asians. This polymorphism might also associate with squamous cell carcinoma.

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    Pub Type(s)

    JOURNAL ARTICLE

    Language

    ENG

    PubMed ID

    24696258

    Citation

    TY - JOUR T1 - XPA gene rs1800975 single nucleotide polymorphism and lung cancer risk: a meta-analysis. A1 - Lou,Yuqing, AU - Li,Rong, AU - Zhang,Yanwei, AU - Zhong,Runbo, AU - Pei,Jun, AU - Xiong,Liwen, AU - Zhang,Xueyan, AU - Han,Baohui, Y1 - 2014/4/3/ PY - 2013/12/15/received PY - 2014/3/5/accepted PY - 2014/4/3/aheadofprint PY - 2014/4/4/entrez PY - 2014/4/4/pubmed PY - 2014/4/4/medline SP - EP - JF - Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine JO - Tumour Biol. N2 - No clear consensus has been reached on the XPA gene rs1800975 polymorphism and lung cancer risk. We performed a meta-analysis in an effort to systematically explore the possible association. We conducted a computer retrieval of PubMed, Embase, Wanfang, China National Knowledge Infrastructure Platform, and VIP databases prior to November 2013. References of retrieved articles were also screened. The fixed- and the random-effects model were applied for dichotomous outcomes to combine the results of the individual studies. According to the inclusion criteria, 10 articles (11 studies) were finally included. In overall, statistical association could be found between rs1800975 polymorphism and lung cancer in recessive genetic model [AA vs. (AG + GG): P = 0.02, OR = 1.16, 95% CI 1.02-1.31, P heterogeneity = 0.14, fixed-effects model]. In the East Asians, significant association was found in allele comparison model (A vs. G: P = 0.03, OR = 1.13, 95% CI 1.01-1.26, P heterogeneity = 0.39, fixed-effects model), in recessive genetic model [AA vs. (AG + GG): P = 0.005, OR = 1.30, 95% CI 1.08-1.56, P heterogeneity = 0.58, fixed-effects model] and in the homozygote comparison (AA vs. GG: P = 0.02, OR = 1.30, 95% CI 1.04-1.63, P heterogeneity = 0.39, fixed-effects model). No evidence suggested that rs1800975 polymorphism might associate with lung cancer in other ethnicities. Stratification analysis performed by histologic types indicated that AA genotype might represent a risk factor for squamous cell carcinoma [AA vs. (AG + GG): P = 0.01, OR = 1.42, 95% CI 1.08-1.86, P heterogeneity = 0.27, fixed-effects model; AA vs. GG: P = 0.03, OR = 1.43, 95% CI 1.04-1.96, P heterogeneity = 0.21, fixed-effects model]. No association was observed in adenocarcinoma subgroup. Our study suggested that XPA rs1800975 polymorphism might associate with lung cancer risk in overall and in East Asians. This polymorphism might also associate with squamous cell carcinoma. SN - 1423-0380 UR - https://www.unboundmedicine.com/medline/citation/24696258/XPA_gene_rs1800975_single_nucleotide_polymorphism_and_lung_cancer_risk:_a_meta-analysis. L2 - http://dx.doi.org/10.1007/s13277-014-1824-1 ER -