Methylated promoter DNA of CDO1 gene and preoperative serum CA19-9 are prognostic biomarkers in primary extrahepatic cholangiocarcinoma

Shuji Nakamoto, Yusuke Kumamoto, Kazuharu Igarashi, Yoshiki Fujiyama, Nobuyuki Nishizawa, Shigenori Ei, Hiroshi Tajima, Takashi Kaizu, Masahiko Watanabe and Keishi Yamashita

PLOS ONE, 2018, vol. 13, issue 10, 1-14

Abstract: Background: Promoter DNA methylation of Cysteine dioxygenase type1 (CDO1) gene has been clarified as a molecular diagnostic and prognostic indicator in various human cancers. The aim of this study is to investigate the clinical relevance of CDO1 methylation in primary biliary tract cancer (BTC). Methods: CDO1 DNA methylation was assessed by quantitative methylation-specific PCR in 108 BTC tumor tissues and 101 corresponding normal tissues. BTC was composed of extrahepatic cholangiocarcinoma (EHCC) (n = 81) and ampullary carcinoma (AC) (n = 27). Results: The CDO1 methylation value in the tumor tissues was significantly higher than that in the corresponding normal tissues (p

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0205864

DOI: 10.1371/journal.pone.0205864

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