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Journal of Breast Cancer ; : 391-398, 2018.
Article in English | WPRIM (Western Pacific) | ID: wpr-718894

ABSTRACT

PURPOSE: The aim of this study was to investigate the association of telomere length with breast cancer risk. We simultaneously explored the association between telomerase reverse transcriptase gene polymorphisms and telomere length. METHODS: We used real-time quantitative polymerase chain reaction to measure relative telomere length (RTL) in genomic DNA extracted from peripheral blood from 183 breast cancer cases and 191 healthy controls. Genotyping was performed using the Sequenom MassARRAY platform. RESULTS: Our results show that breast cancer patients had significantly shorter RTLs than control subjects (p 40 years (OR, 2.41; 95% CI, 1.31–4.43; p=0.005), body mass index ≤24 kg/m2 (OR, 2.81; 95% CI, 1.55–5.10; p=0.001), and postmenopausal women (OR, 3.94; 95% CI, 1.63–9.51; p=0.002), respectively. In addition, individuals with the AA genotype of rs2853677 have longer telomeres than those of breast cancer patients with the AG genotype (p=0.011). CONCLUSION: Our results suggest that shorter RTL was associated with an increased risk of breast cancer. An association was found between the AA genotype of rs2853677 and longer RTLs in the case group. Functional studies are warranted to validate this association and further investigate our findings.


Subject(s)
Female , Humans , Asian People , Body Mass Index , Breast Neoplasms , Breast , Case-Control Studies , DNA , Genotype , Polymerase Chain Reaction , Real-Time Polymerase Chain Reaction , Telomerase , Telomere
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