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Angiogenesis is an essential process in the development, growth, and metastasis of malignant tumors including lung cancer. DNA sequence variations in the vascular endothelial growth factor (VEGF) gene may lead to altered VEGF production and/or activity, thereby causing interindividual differences in the susceptibility to lung cancer via their actions on the(More)
BACKGROUND AND OBJECTIVE Genome-wide association studies (GWAS) have identified the three chromosomal regions, 5p15, 6p21 and 15q25, as being associated with lung cancer risk in European populations. This study was performed to confirm these associations in Korean patients with lung cancer. METHODS The genotypes at rs2736100, rs402710, rs401681 and(More)
DNA repair plays a critical role in protecting the genome of the cell from insults of cancer-causing agents, such as those found in tobacco smoke. Reduced DNA repair capacity, therefore, can increase the susceptibility to smoking-related cancers. Recently, three coding polymorphisms in X-ray cross-complementing group 1 (XRCC1) DNA repair gene have been(More)
This study was conducted to comprehensively evaluate the associations between polymorphisms in telomere maintenance genes (TERT, TRF1, TNKS1, TRF2, RAP1, and POT1) and lung cancer risk. We captured 35 polymorphisms in the genes and determined their frequencies in 27 healthy Koreans. Ten haplotype-tagging polymorphisms were examined in a case-control study(More)
BACKGROUND Recent evidence suggests that the rs2910164 variant of miR-146a is associated with the development of certain types of cancer. Therefore, the aim of this study was to investigate the association of this genetic variant with susceptibility and prognosis in patients with colorectal cancer (CRC). MATERIALS AND METHODS Genotyping analyses of(More)
This study was conducted to analyze a comprehensive panel of single nucleotide polymorphisms (SNPs) in genes in DNA repair and apoptosis pathways and determine the relationship between polymorphisms and treatment outcomes of patients with non-small cell lung cancer (NSCLC) treated with first-line paclitaxel-cisplatin chemotherapy. Three hundred eighty two(More)
Somatic mutations of phosphatase and tensin homolog deleted on chromosome ten (PTEN) in non-small cell lung cancers (NSCLCs) have been investigated in but a small number of cases. In addition, the relationship between PTEN mutations and epidermal growth factor receptor (EGFR), KRAS, and TP53 mutations has not been investigated. Therefore, we investigated(More)
DNA repair plays a critical role in protecting the genome from insults of cancer-causing agents, such as those found in tobacco smoke. Therefore, reduced DNA repair capacity can increase the susceptibility to smoking-related cancers. Recently, several polymorphisms have been identified in the xeroderma pigmentosum group G (XPG) gene, and it is possible that(More)
BACKGROUND It is widely believed that females have longer telomeres than males, although results from studies have been contradictory. METHODS We carried out a systematic review and meta-analyses to test the hypothesis that in humans, females have longer telomeres than males and that this association becomes stronger with increasing age. Searches were(More)