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  1. Article ; Online: Prognostic significance of Cytokeratin 20-positive lymph node vascular endothelial growth factor A mRNA and chromodomain helicase DNA binding protein 4 in pN0 colorectal cancer patients.

    Wong, Sze Chuen Cesar / Cheung, Moon Tong / Luk, Lewis Lai Yin / Lee, Vivian Ha Man / Chan, Pak Tat / Tsang, Hin Fung Andy / Wong, Evelyn Yin Kwan / Xue, Vivian Weiwen / Chan, Amanda Kit Ching / Chan, John Kwok Cheung

    Oncotarget

    2018  Volume 9, Issue 6, Page(s) 6737–6751

    Abstract: Background: Cytokeratin 20-positive cells in lymph nodes from pN0 colorectal cancer (CRC) patients were detected previously by us. The aims of this study were to investigate which tumor metastasis-related genes were involved and their potential clinical ...

    Abstract Background: Cytokeratin 20-positive cells in lymph nodes from pN0 colorectal cancer (CRC) patients were detected previously by us. The aims of this study were to investigate which tumor metastasis-related genes were involved and their potential clinical significance.
    Results: Fourteen of 84 (17%) genes were differentially expressed by at least 2-fold. Among them, 10 genes were up-regulated whereas 4 genes were down-regulated. Those differential expressed genes were validated in the second cohort of specimens. Follow-up analysis for 60 months showed that patients with lymph node
    Conclusions: VEGF-A
    Methods: Two cohorts of lymph node specimens from pN0 CRC patients of each with and without CK20-positive cells were recruited. In the first cohort, tumor metastasis genes were profiled using gene expression arrays. Differential expressed genes were validated in the second cohort. Moreover, their prognostic significance was examined by following-up the second cohort of patients with CK20-positive cells for 60 months and all histopathological findings were correlated to recurrence.
    Language English
    Publishing date 2018-01-23
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2560162-3
    ISSN 1949-2553 ; 1949-2553
    ISSN (online) 1949-2553
    ISSN 1949-2553
    DOI 10.18632/oncotarget.23424
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Clinical significance of frizzled homolog 3 protein in colorectal cancer patients.

    Wong, Sze Chuen Cesar / He, Catherine Wan / Chan, Charles Ming Lok / Chan, Amanda Kit Ching / Wong, Heong Ting / Cheung, Moon Tong / Luk, Lewis Lai Yin / Au, Thomas Chi Chuen / Chiu, Man Kin / Ma, Brigette Buig Yue / Chan, Anthony Tak Cheung

    PloS one

    2013  Volume 8, Issue 11, Page(s) e79481

    Abstract: Frizzled homolog 3 receptor was up-regulated in several gastrointestinal cancers such as esophageal and gastric cancers. Moreover, frizzled homolog 3 has recently reported to be expressed in colorectal adenoma specimens. In the present study, we ... ...

    Abstract Frizzled homolog 3 receptor was up-regulated in several gastrointestinal cancers such as esophageal and gastric cancers. Moreover, frizzled homolog 3 has recently reported to be expressed in colorectal adenoma specimens. In the present study, we investigated the clinical significance of frizzled homolog 3 protein in colorectal cancer patients. Using immunocytochemical staining, frizzled homolog 3 expression was examined in 186 colorectal cancer specimens, 79 colorectal adenoma specimens, 133 colorectal polyp specimens, 127 colorectal cancer specimens with lymph node and/or distant metastasis, 310 specimens of various non-colorectal cancer metastatic carcinomas and 40 specimens with simultaneous occurrence of colorectal cancer, colorectal adenoma and colorectal polyp. Statistical analysis was used to correlate frizzled homolog 3 protein expression to the clinicohistopathological factors, recurrence/metastasis and survival after follow-up for 42 months in colorectal cancer patients. Frizzled homolog 3 protein was expressed in 100% colorectal cancer specimens, 89% colorectal adenoma specimens, 75% colorectal polyp specimens and 69% normal colorectal epithelial tissues. Moreover, frizzled homolog 3 immunocytochemical scores were highly correlated with colorectal cancer progression. Furthermore, frizzled homolog 3 was expressed in a comparatively lower percentage of metastatic hepatocellular carcinoma and metastatic renal clear cell carcinoma with focal and very weak staining than other metastatic tumor types. On the other hand, the frizzled homolog 3 immunocytochemical scores of colorectal adenomas with synchronous colorectal carcinomas were significantly higher than those of pure colorectal adenomas. Statistical analysis showed that frizzled homolog 3 immunocytochemical scores were associated with Dukes stage and lymph node status. Finally, stratified groups of colorectal cancer patients had significant differences in their recurrence/metastasis and survival. In conclusion, the present large-scale study has clearly showed that frizzled homolog 3 protein can generate clinically important information for colorectal cancer patients.
    MeSH term(s) Adult ; Aged ; Biomarkers, Tumor/metabolism ; Colorectal Neoplasms/diagnosis ; Colorectal Neoplasms/metabolism ; Colorectal Neoplasms/pathology ; Female ; Frizzled Receptors/metabolism ; Gene Expression Regulation, Neoplastic ; Humans ; Male ; Middle Aged ; Multivariate Analysis ; Neoplasm Metastasis ; Recurrence ; Survival Analysis ; Young Adult
    Chemical Substances Biomarkers, Tumor ; FZD3 protein, human ; Frizzled Receptors
    Language English
    Publishing date 2013-11-08
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0079481
    Database MEDical Literature Analysis and Retrieval System OnLINE

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