Dataset Information

Genetic polymorphisms in the TERT gene and susceptibility to non-small cell lung cancer in a Chinese Han population.

ABSTRACT: Background:Recent studies have revealed that the TERT gene plays crucial roles in cancer initiation and development. Genome-wide analysis studies and case-control studies have demonstrated that polymorphisms in the TERT gene are associated with various cancers. Materials and methods:In the current study, we analyzed the associations of eight single nucleotide polymorphisms (SNPs) in the TERT gene with non-small cell lung cancer (NSCLC) in a Chinese Han population. A total of 467 NSCLC patients and 526 healthy individuals were recruited for SNP genotyping using a TaqMan assay. Results:Our results revealed that the allelic frequencies of rs2853677 and rs2853691 were significantly different between the NSCLC and control groups (P=0.004 and 0.001, respectively). Moreover, the T allele of rs2853677 and the A allele of rs2853691 might be the protective factors against NSCLC (OR=0.766; 95%CI: 0.639-0.918 and OR=0.714; 95%CI: 0.584-0.875, respectively). Additionally, stratified association analysis of the eight SNPs with the different pathological NSCLC stages (I+II and III+IV) and different pathological types (adenocarcinoma and squamous cell carcinoma) revealed that none of the SNPs were significantly different between patients with different pathological stages and pathological types. Conclusion:Our results indicated that rs2853677 and rs2853691 in the TERT gene might be associated with NSCLC in this Chinese Han population.

SUBMITTER: Li C

PROVIDER: S-EPMC6001840 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Genetic polymorphisms in the <i>TERT</i> gene and susceptibility to non-small cell lung cancer in a Chinese Han population.

Li Chuanyin C Wang Xiaona X Li Yingfu Y Zhang Xinwen X Sun Mingbo M Liu Shuyuan S Sun Le L Shi Li L Yao Yufeng Y

Cancer management and research 20180611

<h4>Background</h4>Recent studies have revealed that the <i>TERT</i> gene plays crucial roles in cancer initiation and development. Genome-wide analysis studies and case-control studies have demonstrated that polymorphisms in the <i>TERT</i> gene are associated with various cancers.<h4>Materials and methods</h4>In the current study, we analyzed the associations of eight single nucleotide polymorphisms (SNPs) in the <i>TERT</i> gene with non-small cell lung cancer (NSCLC) in a Chinese Han populat ...[more]

PMID: 29928145

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Project description:The objective of the present study was to analyze the relationship between genetic polymorphisms of the rs2736098 locus of the telomerase reverse transcriptase (TERT) gene and the rs401681 locus of the cleft lip and palate transmembrane protein 1 (CLPTM1L) gene and the risk of developing lung cancer in males in Jinzhou. A total of 214 lung cancer patients who were admitted in Jinzhou Medical University were analyzed, and 216 healthy males were selected as controls. Venous blood from all subjects and data on relevant risk factors were collected. DNA was extracted from peripheral blood by the phenol-chloroform method. Real-time fluorescent quantitative PCR (TaqMan real-time PCR) was used for DNA amplification. The genotyping results of the genetic polymorphisms of the TERT rs2736098 and CLPTM1L rs401681 loci were detected. The risk of developing lung cancer in the population with the TERT rs2736098 locus carrying the T allele was 1.614 times that with the TERT rs2736098 locus carrying the C allele after adjustment of the age factor. The risk of developing lung cancer in the population carrying the TT mutant genotype and the CT genotype increased significantly compared with that carrying the CC wild genotype [odds ratio (OR)=1.815, 95% CI=1.132-2.957; OR=2.417, 95% CI=1.158-4.943]. Based on a comparison between the combination of the two mutant genotypes (CT+TT) and the wild homozygous genotype (CC), the mutant genotype increased the risk of developing lung cancer (OR=1.955, 95% CI=1.213-3.157). The risk of developing lung cancer in the population with the CLPTM1L rs401681 locus carrying the T allele was 1.399 times that carrying the C allele (OR=1.343, 95% CI=1.035-1.978). The population with the TERT rs2736098 locus carrying the mutant genotype (CT+TT) was associated with the number of tumors (OR=0.553, 95% CI=0.236-0.928). In conclusion, in males, the TERT rs2736098 and CLPTM1L rs401681 T alleles are the susceptibility factors for developing lung cancer. Individuals, including the smoking population, who carry both the TERT rs2736098 and CLPTM1L rs401681 T alleles are more likely to develop lung cancer.

Dataset Information

Genetic polymorphisms in the TERT gene and susceptibility to non-small cell lung cancer in a Chinese Han population.

Publications

Genetic polymorphisms in the <i>TERT</i> gene and susceptibility to non-small cell lung cancer in a Chinese Han population.

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