Abstract
We assessed the role of single nucleotide polymorphisms (SNPs) in ERCC1 and ERCC2 genes in the clinical outcomes for osteosarcoma patients receiving cisplatin-based treatment. A perspective study was conducted on 260 patients with osteosarcoma during 2010 and 2011. A polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) assay was used to assess the ERCC1 rs11615 and rs3212986, and the ERCC2 rs1799793 and rs13181 gene polymorphisms. After adjustment for clinical variables, we found that the CC genotype of ERCC1 rs11615 was significantly associated with better response to chemotherapy (OR = 2.87, 95%CI = 1.24-6.97). Our study found that those carrying the CC genotype of ERCC1 rs11615 had a longer overall survival compared with the TT genotype, and the OR (95%CI) was 0.35 (0.12-0.92). In conclusion, our results suggest that the ERCC1 rs11615 polymorphism might influence the response to cisplatin-based chemotherapy and affect the clinical outcome for osteosarcoma patients.
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