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TNF superfamily gene polymorphism as prognostic factor in early breast cancer
Journal of Cancer Research & Clinical Oncology, 11/10/09
Jung JH et al. – The TNFSF10 (rs1131532) polymorphism was identified as a possible prognostic factor of survival in patients with operated invasive breast cancer.
Methods- The genomic DNA extracted from paraffin-embedded tumor-free tissue or blood, and 12 single nucleotide polymorphisms (SNPs) of 11 apoptosis-related genes in apoptosis pathway determined using aSequenom MassARRAY system
- Median follow-up of 53.4 (range 2.9–205.9) mos
- 37 relapses and 22 deaths occurred
- Among target polymorphisms, tumor necrosis factor superfamily member 10 gene polymorphism (TNFSF10 rs1131532) in recessive model of T allele and prostaglandin-endoperoxide synthase 2 gene polymorphism (PTGS2 rs5275) in dominant model of C allele were associated with survival in log-rank test
- TT genotype of TNFSF10 (rs1131532) was also significantly correlated with a lower disease-free, distant disease-free, and overall survival in a multivariate analysis (HR = 3.304, 4.757, and 6.459; respectively), while PTGS2 rs5275 was only associated with higher distant disease-free survival (HR = 0.302)
- No clinicopathologic difference observed according to genotypes of these 2 polymorphisms
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