学位論文 The significance of combined measurement of p53 antibody and other tumor markers for colorectal cancer after curative resection.

川原, 大輔

62pp.40 - 43 , 2015-03-20 , H.G.E. Update Medical Publishing S.A.
内容記述
Background/Aims: Though serum p53 antibody has been widely used, it is mentioned that it is not related to clinical parameters of colorectal cancer (CRC) and has no prognostic significance in long-term follow-up. The aim of this study was to explore the possibility to increase the value of p53 antibody in combination with carcinoembryonic antigen (CEA) and CA19-9 for post operation follow up. Methodology: One hundred twenty-eight patients with primary CRC who underwent surgery were enrolled in this study. Serum p53 antibodies ,CEA and CA19-9 were measured before and after the surgery and their impact on CRC staging patient survival. DNA was extracted from colorectal cancer tissue and KRAS mutation analysis was determined by direct sequencing. Results: Thirty seven point five patients were positive for serum p53 antibodies before the operation. Total 67.2% patients were positive with any tumor markers, but it was only 3.9% that were positive with all markers. There was no association between KRAS mutation and p53 antibody level. Conclusions: The combined use of tumor markers can be an effective screening method for detection of colorectal cancer. If serum p53 antibody level continues to be positive for long after resection, the case should require subsequent intense follow-up.
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http://naosite.lb.nagasaki-u.ac.jp/dspace/bitstream/10069/36361/4/ISYK764_Kawahara.pdf

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