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Oxaliplatin-based chemotherapy is used to treat patients with esophageal adenocarcinoma (EAC), but no biomarkers are currently available for patient selection. We performed a prospective, clinical trial to identify potential biomarkers associated with clinical outcomes. Tumor tissue was obtained from 38 patients with resectable EAC before and after 2 cycles of oxaliplatin-fluorouracil chemotherapy. Pre-treatment mRNA expression of 280 DNA repair (DNAR) genes was tested for association with histopathological regression at surgery, disease-free survival (DFS) and overall survival (OS). High expression of 13 DNA damage repair genes was associated with DFS less than one year (P 

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Adenocarcinoma, Aged, Antineoplastic Combined Chemotherapy Protocols, Biomarkers, Tumor, DNA Damage, DNA-Binding Proteins, Disease-Free Survival, Endonucleases, Esophageal Neoplasms, Female, Fluorouracil, Humans, Male, Middle Aged, Oxaliplatin, Protein Biosynthesis