國家衛生研究院 NHRI:Item 3990099045/13751
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/13751


    Title: Association of tumor hydroxyindole o-methyltransferase and serum 5-methoxytryptophan with long-term survival of hepatocellular carcinoma
    Authors: Ko, BS;Liang, SM;Chang, TC;Wu, JY;Lee, PH;Hsu, YJ;Kuo, CC;Liou, JY;Wu, KK
    Contributors: Institute of Cellular and Systems Medicine
    Abstract: 5-methoxytryptophan (5-MTP) is a recently discovered tryptophan (Trp) metabolite with anti-inflammatory and tumor-suppressing actions. Its synthesis is catalyzed by hydroxyindole O-methyltransferase (HIOMT). HIOMT levels were reported to be decreased in some patients with colorectal, pancreatic and breast cancer. It is unclear whether tissue HIOMT levels is altered in hepa-tocellular carcinoma (HCC). It is also unclear whether serum 5-MTP concentration is influenced by HCC. In this study, 150 HCC and adjacent normal liver tissues and serum samples were obtained from the HCC biobank established by a prospective multicenter study. Serum samples from 47 healthy subjects were included as a reference. HIOMT mRNA was measured by real time PCR. Serum 5-MTP and selected Trp metabolites were analyzed by quantitative LC-MS. HCC tissue HIOMT mRNA levels adjusted for adjacent normal tissue HIOMT mRNA levels was associated with overall and relapse-free (RF) survival. Combined serum 5-MTP or tissue HIOMT mRNA and serum kynurenine (Kyn) analysis predicted prolonged overall and RF survival following liver re-section. A high serum 5-MTP or tissue HIOMT mRNA and low serum Kyn is associated with long-term survival. In conclusion, tumor tissue HIOMT mRNA and serum 5-MTP are potential bi-omarkers of HCC, especially when analyzed in combination with serum Kyn.
    Date: 2021-10-22
    Relation: Cancers. 2021 Oct 22;13(21):Article number 5311.
    Link to: http://dx.doi.org/10.3390/cancers13215311
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2072-6694&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000720040600001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85117402729
    Appears in Collections:[Kenneth Kun-Yu Wu] Periodical Articles
    [Jun-Yang Liou] Periodical Articles
    [Cheng-Chin Kuo] Periodical Articles

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