Non-small cell lung cancer

XPG polymorphisms are associated with prognosis of advanced non-small cell lung cancer treated with platinum-based doublet chemotherapy

H. Z. Zou and Zhao, Y. Q., XPG polymorphisms are associated with prognosis of advanced non-small cell lung cancer treated with platinum-based doublet chemotherapy, vol. 14, pp. 500-506, 2015.

We conducted a cohort study to investigate whether 3 potential single nucleotide polymorphisms (SNPs) in the xeroderma pigmentosum complementation group G (XPG) gene could predict the survival of advanced non-small cell lung cancer (NSCLC) patients treated with platinum-based doublet chemotherapy. We enrolled 262 patients with histologically confirmed NSCLC between November 2007 and December 2008 in this study. The 3 SNPs (rs2296147T>C, rs2094258C>T, and rs873601G>A) were genotyped using polymerase chain reaction-restriction fragment length polymorphism analysis.

Correlation of MSH3 polymorphisms with response and survival in advanced non-small cell lung cancer patients treated with first-line platinum-based chemotherapy

X. - L. Xu, Yao, Y. - L., Xu, W. - Z., Feng, J. - G., and Mao, W. - M., Correlation of MSH3 polymorphisms with response and survival in advanced non-small cell lung cancer patients treated with first-line platinum-based chemotherapy, vol. 14, pp. 3525-3533, 2015.

Mismatch repair (MMR) genes, as well as the nucleotide excision repair genes, play an important role in removing cisplatin-DNA adducts, and the mutation of MMR genes in tumors can lead to a decreased response to platinum-based therapies. We examined MutS homolog 3 (MSH3), a mismatch repair gene, and whether polymorphisms of MSH3 were associated with response and survival in advanced non-small cell lung cancer (NCSLC) patients who were treated with platinum-based chemotherapy.

Role of TGFB1 polymorphism in the development of metastatic brain tumors in non-small cell lung cancer patients

H. B. Wang, Song, W. G., Liu, H. Q., Fang, F., and Xiao, Y., Role of TGFB1 polymorphism in the development of metastatic brain tumors in non-small cell lung cancer patients, vol. 14, pp. 3545-3550, 2015.

We conducted a case-control study to investigate the role of 3 single-nucleotide polymorphisms of the gene encoding transforming growth factor-b1 (TGFB1) in the development of metastatic brain tumors in non-small cell lung cancer patients. The polymorphisms in TGFB1 rs4803455, rs1800469, and rs1800470 were evaluated by polymerase chain reaction-restriction fragment length polymorphism. Odds ratios and their corresponding 95% confidence intervals were used to assess the influence of TGFB1 rs4803455, rs1800469, and rs1800470 on metastatic brain tumors.

Relationship between genetic polymorphisms of DNA ligase 1 and non-small cell lung cancer susceptibility and radiosensitivity

H. Tian, He, X., Yin, L., Guo, W. J., Xia, Y. Y., and Jiang, Z. X., Relationship between genetic polymorphisms of DNA ligase 1 and non-small cell lung cancer susceptibility and radiosensitivity, vol. 14, pp. 7047-7052, 2015.

The aim of this study was to examine the relationship between genetic polymorphisms in DNA ligase 1 (LIG1) and non-small cell lung cancer (NSCLC) susceptibility and radiosensitivity in a Chinese population. This was a case-control study that included 352 NSCLC patients and 448 healthy controls. Polymerase chain reaction-restriction fragment length polymorphism analysis was conducted to detect HaeIII polymorphisms in exon 6 of the LIG1 gene in this popula­tion.

Pharmacogenetics of DNA repair gene polymorphisms in non-small-cell lung carcinoma patients on platinum-based chemotherapy

L. Zhang, Ma, W., Li, Y., Wu, J., and Shi, G. Y., Pharmacogenetics of DNA repair gene polymorphisms in non-small-cell lung carcinoma patients on platinum-based chemotherapy, vol. 13, pp. 228-236, 2014.

Individual differences in chemosensitivity and clinical outcome of non-small-cell lung carcinoma (NSCLC) patients can be influenced by host-inherited factors. We investigated the impact of XRCC1 Arg194Trp, XRCC1 Arg280His, XRCC1 Arg399Gln, XPD Arg156Arg, XPD Asp312Asn, XPD Asp711Asp, and XPD Lys751Gln gene polymorphisms on treatment efficacy in 375 NSCLC patients on platinum-based chemotherapy. We also examined progression-free survival and overall survival. The gene polymorphisms were analyzed by duplex PCR.

Identifying differentially expressed genes and pathways in two types of non-small cell lung cancer: adenocarcinoma and squamous cell carcinoma

J. Liu, Yang, X. Y., and Shi, W. J., Identifying differentially expressed genes and pathways in two types of non-small cell lung cancer: adenocarcinoma and squamous cell carcinoma, vol. 13, pp. 95-102, 2014.

Non-small cell lung carcinoma, NSCLC, accounts for 80-85% of lung cancers. NSCLC can be mainly divided into two types: adenocarcinoma (ADC) and squamous cell carcinoma (SCC). The purpose of our study was to identify and differentiate the pathogenesis of ADC and SCC at the molecular level. The gene expression profiles of ADC and SCC were downloaded from Gene Expression Omnibus under accession No. GSE10245. Accordingly, differentially expressed genes (DEGs) were identified by the limma package in R language.

Role of XRCC1 and ERCC5 polymorphisms on clinical outcomes in advanced non-small cell lung cancer

D. Liu, Wu, J., Shi, G. Y., Zhou, H. F., and Yu, Y., Role of XRCC1 and ERCC5 polymorphisms on clinical outcomes in advanced non-small cell lung cancer, vol. 13, pp. 3100-3107, 2014.

We aimed to assess the role of polymorphisms of the XRCC1 Arg194Trp, XRCC1 Arg399Gln, ERCC5 His1104Asp, and ERCC5 His46His genes on clinical outcomes of advanced non-small cell lung cancer (NSCLC) patients receiving platinum-based chemotherapy regimens. A total of 378 NSCLC patients were asked to participate within 1 month after diagnosis between January 2005 and January 2006, and they were followed up until November 2011. Genomic DNA of the four genes was extracted using the Qiagen Blood Kit.

Expression of ERCC1 and BRCA1 predict the clinical outcome of non-small cell lung cancer in patients receiving platinum-based chemotherapy

T. B. Wang, Zhang, N. L., Wang, S. H., Li, H. Y., Chen, S. W., and Zheng, Y. G., Expression of ERCC1 and BRCA1 predict the clinical outcome of non-small cell lung cancer in patients receiving platinum-based chemotherapy, vol. 13, pp. 3704-3710, 2014.

We examined mRNA expression levels of ERCC1, BRCA1, RRM1, and human β-tubulin-III (TUBB3) in non-small-cell lung carcinoma (NSCLC) patients and investigated the association between expression of these genes and the clinical outcome of NSCLC treatment. A total of 366 patients who underwent surgery for NSCLC were included in this study. All patients received third-generation platinum-based chemotherapy as first-line treatment. The relative cDNA quantification for ERCC1, RRM1, BRCA1, and TUBB3 was determined using a fluorescence-based, real-time detection method.

Predictive role of RRM1 and BRCA1 mRNA expression on the clinical outcome of advanced non-small cell lung cancer

J. G. Liang, Jin, Z. Y., Gao, X. D., Te, M. R., Ge, L. H., and Wang, C. L., Predictive role of RRM1 and BRCA1 mRNA expression on the clinical outcome of advanced non-small cell lung cancer, vol. 13, pp. 5292-5298, 2014.

This study aimed to evaluate the association between RRM1 and BRCA1 expressions and the therapeutic efficacy of platinum-based chemotherapy in non-small cell lung cancer patients in terms of their response and prognosis. In total, 377 patients agreed to participate in our study, and all of them received platinum-based combination chemotherapy between January 2008 and January 2009.

Associations between clinical characteristics and oncogene expression in patients with non-small cell lung cancer

Y. Han, Yu, D. P., Zhou, S. J., Song, X. Y., Li, Y. S., Xiao, N., Liu, Z. D., Sun, X. J., Zhao, Q. Y., and Liu, S. K., Associations between clinical characteristics and oncogene expression in patients with non-small cell lung cancer, vol. 13, pp. 8913-8924, 2014.

More than 40 oncogenes associated with non-small cell lung cancer (NSCLC) have been identified with varied gene expression. The correlations between specific clinical characteristics and oncogene expression in NSCLC patients were examined. From October 2011 to September 2012, a total of 60 patients with NSCLC (male:female, 34:24; mean age, 59.5 ± 10.6 years; age range, 31-81 years) were diagnosed and evaluated for treatment with radical resection at a single facility.

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