國家衛生研究院 NHRI:Item 3990099045/2897
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    題名: Tumor beta-1,4-galactosyltransferase IV overexpression is closely associated with colorectal cancer metastasis and poor prognosis
    作者: Chen, WS;Chang, HY;Li, CP;Liu, JM;Huang, TS
    貢獻者: National Institute of Cancer Research
    摘要: Purpose: To elucidate the significance of beta-1,4 - galactosyltransferase IV (beta-1,4-GT-IV) in the clinical presentation and prognostication of colorectal cancer. Experimental Design: Tissue lysates from paired tumor and nontumor tissues of a colon cancer patient were labeled separately with fluorescent dyes Cy5 and Cy3 for two-dimensional difference in-gel electrophoresis. Subsequent matrix-assisted laser desorption /ionization time-of-flight mass spectrometry and immunoblot analyses identified a down-regulated level of beta-1,4-GT-IV in the tumor tissue. In the follow-up study, paired tissue lysates were obtained from 100 colorectal cancer patients with immunoblot analyses done to compare the levels of p-1,4-GT-IV expression in these patients. Results: Of 100 colorectal patients studied, 48% had down-regulated expression of beta-1,4-GT-IV in the tumor tissue but 28% of patients exhibited elevated beta-1,4-GT-IV levels. Increased beta-1,4-GT-IV in the tumor tissue was significantly coexistent with raised serum level of CA-199 and the presence of tumor metastasis (P = 0.006 and P < 0.001, respectively) but was independent of age and gender of patient, tumor site, tumor size, serum level of carcinoembryonic antigen, grade of tumor cell differentiation, and depth of tumor invasion. The results of logistic regression analyses suggested that tumor p-1,4-GT-IV overexpression and tumor invasion, but not other patient variables such as tumor size and serum levels of carcinoembryonic antigen and CA19-9, were significantly correlated with the occurrence of metastases (P < 0.05). In a multivariate regression analysis, the patient group with tumor beta-1,4-GT-IV overexpression strongly predicted for tumor metastasis (odds ratio, 10.009; 95% confidence interval, 2.992-33.484; P < 0.001). Likewise, tumor 0-1,4-GT-IV overexpression was significantly associated with poor overall survival (P < 0.01). By Cox regression analysis, this association remained significant even after adjustment for tumor metastasis (P = 0.048). Conclusion: Increased beta-1,4-GT-IV expression in tumor tissue was strongly associated with tumor metastases and poor prognosis in colorectal cancer.
    關鍵詞: Oncology
    日期: 2005-12-15
    關聯: Clinical Cancer Research. 2005 Dec;11(24 Pt. 1):8615-8622.
    Link to: http://dx.doi.org/10.1158/1078-0432.CCR-05-1006
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1078-0432&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000234356300014
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=29344454268
    顯示於類別:[黃智興] 期刊論文
    [劉敏(1996-2007)] 期刊論文

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