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  • Title: 5-Fluorouracil-related gene expression in hepatic artery infusion-treated patients with hepatic metastases from colorectal carcinomas.
    Author: Sameshima S, Tomozawa S, Horikoshi H, Motegi K, Hirayama I, Koketsu S, Okada T, Kojima M, Kon Y, Sawada T.
    Journal: Anticancer Res; 2008; 28(1B):389-93. PubMed ID: 18383874.
    Abstract:
    AIM: To predict the therapeutic efficacy of hepatic arterial infusion (HAI) with 5-fluorouracil (5FU) for patients with liver metastases from colorectal carcinomas, 5FU-related gene expressions were examined in primary colorectal carcinomas. PATIENTS AND METHODS: Thirty-eight patients with liver metastases from colorectal carcinoma received HAI of 5FU. The expressions of the mRNAs for thymidine synthase (TS), dihydropyrimidine dehydrogenase (DPD), thymidine phosphorylase (TP), and oroteta phophoribosyl transferase (OPRT) in primary colorectal carcinomas were measured by RT-PCR. RESULTS: The response rate was 52.6% (20/38). The overall median survival time was 29.1 months. DPD and TP expression was significantly higher in the progressive disease (PD) group than in the complete response (CR) or partial response (PR) group (p = 0.032, p = 0.014), respectively. The levels of DPD and TP mRNAs showed a significant correlation (r = 0.76, p = 0.0001). CONCLUSION: The expression of DPD and TP mRNAs in primary colorectal carcinomas was significantly predictive of the therapeutic response to 5FU HAI.
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