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  • Title: A multivariate analysis of adhesion molecules expression in assessment of colorectal cancer.
    Author: Ngan CY, Yamamoto H, Seshimo I, Ezumi K, Terayama M, Hemmi H, Takemasa I, Ikeda M, Sekimoto M, Monden M.
    Journal: J Surg Oncol; 2007 Jun 15; 95(8):652-62. PubMed ID: 17443723.
    Abstract:
    BACKGROUND AND OBJECTIVES: Adhesion molecules are implicated in the progression of colorectal cancer (CRC). Despite the evidence of association between their expression and patients' prognosis, the data have not been examined simultaneously in a same study; thus, the relative clinical value remained largely unknown. The aim of this study was to identify the adhesion factors that display the most significant prognostic value for CRC patients to guide clinical decision-making regarding appropriate treatment. PATIENTS AND METHODS: We examined by immunohistochemistry, the expression of E-cadherin and its associated catenins, alpha(alpha)-catenin and beta(beta)-catenin, DCC, and CD44 and its partner, MT1-MMP in a series of 140 CRC tissues at intermediate Stage II and Stage III to determine their prognostic significance. RESULTS: Clinicopathological survey indicated an inverse relationship between E-cadherin expression and tumor differentiation, and an association between CD44 expression and venous invasion. Univariate and multivariate analyses showed that loss of expression of E-cadherin and CD44 significantly correlated to poor survival, especially in Stage II. Combination studies indicated that loss of E-cadherin and loss of CD44 had the worst impact on patient prognosis, particularly in colon cancer. CONCLUSION: Immunohistochemical staining of E-cadherin and CD44 may help to identify a subgroup of high-risk patients with Stage II CRC, especially in colon cancer, who may need intensive follow-up and appropriate therapeutic strategy.
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