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Correlation between resistin gene polymorphism and clinical aspects of lung cancer.

ABSTRACT: Lung cancer is one of the most common cancers and is associated with a poor survival rate in the Chinese Han population. Analysis of genetic variants could lead to improvements in prognosis following lung cancer treatment. Resistin (RETN) is an important mediator of metabolic diseases and tumor progression. In this study, we explored the effects of RETN single nucleotide polymorphisms (SNPs) on the susceptibility and clinicopathological characteristics of patients with lung cancer. Four RETN SNPs (rs7408174, rs1862513, rs3745367, and rs3219175) were analyzed using TaqMan SNP genotyping in 371 patients with lung cancer and 451 cancer-free controls. The results showed that the RETN SNP rs3219175 with AG or at least 1 A allele was associated with a higher risk of lung cancer than wild-type (GG) carriers. Moreover, the RETN SNP rs3219175 with AG or AG + AA alleles was associated with a higher risk of distant metastasis than that in patients carrying GG alleles. We also used genotype-tissue expression datasets to compare the correlation of the RETN SNP rs3219175 in lung tissue and whole blood. In conclusion, our study demonstrated, for the first time, that RETN polymorphisms were correlated with lung cancer progression in the Chinese Han population.

SUBMITTER: Hu WW

PROVIDER: S-EPMC6392976 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Correlation between resistin gene polymorphism and clinical aspects of lung cancer.

Hu Wei-Wei WW Tang Chih-Hsin CH Sun Yi Y Lu Ting-Ting TT Jiang Pu P Wu Yue-Ming YM Wang Chao-Qun CQ Yang Shun-Fa SF Su Chen-Ming CM

Medicine 20171201 52

Lung cancer is one of the most common cancers and is associated with a poor survival rate in the Chinese Han population. Analysis of genetic variants could lead to improvements in prognosis following lung cancer treatment. Resistin (RETN) is an important mediator of metabolic diseases and tumor progression. In this study, we explored the effects of RETN single nucleotide polymorphisms (SNPs) on the susceptibility and clinicopathological characteristics of patients with lung cancer. Four RETN SNP ...[more]

PMID: 29384942

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Project description:BackgroundOne of the major postoperative complications of esophageal cancer is acute respiratory distress syndrome (ARDS), which poses a great threat to patients' lives. In this research, the cause of ARDS after esophageal cancer surgery was explained from the aspect of the single-nucleotide polymorphism at rs7873784, rs10759930 and rs10983755 of the Toll-like receptor 4 (TLR4) gene.MethodsA total of 75 patients complicated with ARDS after esophageal cancer surgery in our hospital were collected as the ARDS group and 150 patients without ARDS after surgery as the control group. Deoxyribonucleic acids (DNAs) in the peripheral blood of patients were extracted, and the polymorphism loci (rs7873784, rs10759930 and rs10983755) of the TLR4 gene were amplified through polymerase chain reaction (PCR) and sent to a company for sequencing. The concentration of serum TLR4 was detected by kits.ResultsThe frequencies of the G allele at rs7873784 (P=0.011) and C allele at rs10759930 (P=0.000) in the ARDS group were remarkably lower than those in the control group. Besides, the frequencies of GG genotype at rs7873784 (P=0.000) and CC and CT genotypes at rs10759930 (P=0.000) in the control group were notably higher than those in the ARDS group, while the frequency of AA genotype at rs10983755 (P=0.001) in the ARDS group was clearly lower than that in control group. The survival status of patients with complications of ARDS was notably correlated with CT genotype at rs10759930 of the TLR4 gene since patients with genotype CT were more likely to die (P=0.001). The GG genotype at rs10983755 of the TLR4 gene was remarkably related to the mean mechanical ventilation time (P=0.003) and the average length of intensive care unit (ICU) stay (P=0.018). The ARDS group had a lower frequency of GCG haplotype (P=0.009) and a higher frequency of GTA haplotype (P=0.001) than the control group. The linkage disequilibrium D' was 0.781 between rs7873784 and rs10759930 of the TLR4 gene, and two loci were linked to each other. In addition, the concentration of serum TRL4 in patients with genotype CC at rs7873784 (P=0.034), genotype CT at rs7873784 (P=0.000) and genotype GG at rs10983755 (P=0.000) of the TLR4 gene in the ARDS group was higher than that in the control group.ConclusionThe single-nucleotide polymorphisms at rs7873784, rs10759930 and rs10983755 of the TLR4 gene are significantly related to ARDS after esophageal cancer surgery.

Project description:To investigate the association between the susceptibility to cervical cancer and the single nucleotide polymorphisms of 5 tumor necrosis factor-α promoter genes (rs361525, rs1800629, rs1800750, rs1799964, and rs673) in Chinese women. A total of 946 peripheral blood samples were collected from women of Han Ethnicity in Shandong province. Of them, 452 were diagnosed with cervical squamous cell carcinomas. The study also included a control group of 494 healthy women. The targeted single nucleotide polymorphisms were analyzed by TaqMan probe method. (1) The rate of high-risk subtype human papillomavirus infection in exfoliated cervical epithelial cells was significantly higher in patients with cervical cancer than the control group (91.4% vs 10.3%, P < .01). The rate of human papillomavirus infection was lower in patients with carcinoma in situ than those with invasive carcinoma (77.9% vs 95.4%, P < .01). (2) There was a significant difference for rs361525 genotype (CC/CT/TT) between the control, carcinoma in situ, and invasive carcinoma groups ( P < .001). Both rs1800629 and rs1799964 genotypes (both GG/GA/AA) were also different between these groups ( P < .001 and P < .001). (3) The allele frequencies of rs361525, rs1800629, and rs1799964 were significantly correlated with the diagnosis of cervical cancer. The frequency of T allele in rs361525 was significantly higher for cervical cancer group (10.8%) than control group (3.8%; odds ratio = 3.04, 95% confidence interval = 1.76-5.25, P < .01). The frequency of A allele in rs1800629 was significantly higher for cervical cancer (29.9%) than control group (14.2%; odds ratio = 2.58, 95% confidence interval = 1.87-3.56, P < .01). The frequency of A allele in rs1799964 was also higher for cervical cancer group (38.3%) than control group (16.4%; odds ratio = 1.43, 95% confidence interval = 1.07-1.91, P < .05). The rs361525, rs1800629, and rs17999645 were significantly correlated with the diagnosis of cervical cancer.

Dataset Information

Correlation between resistin gene polymorphism and clinical aspects of lung cancer.

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Correlation between resistin gene polymorphism and clinical aspects of lung cancer.

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