Journal
BULLETIN OF EXPERIMENTAL BIOLOGY AND MEDICINE
Volume 139, Issue 6, Pages 706-710Publisher
SPRINGER
DOI: 10.1007/s10517-005-0385-0
Keywords
colorectal adenocarcinoma; adhesive molecules; metastases; immunohistochemistry
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Immunohistochemical analysis of the expression of E-cadherin, beta-catenin, and CD-44v6 proteins was carried out for evaluating the metastatic potential of colorectal cancer cells. Specific features of expression, distribution, and interactions of adhesive molecules in primary tumors of the large intestine and their metastases in the liver and lymph nodes were studied. Reduction and complete absence of E-cadherin expression were much more often observed in patients with colorectal cancer with metastases in the liver than in patients without metastases. Cytoplasmic immounreactivity and nuclear translocation of P-catenin were increased in more than 80% cases with colorectal adenocarcinoma with metastases. These changes in the expression of E-cadherin and beta-catenin in tumor cells can be regarded as factors of unfavorable prognosis of colorectal cancer. No significant relationship between expression of CD-44v6 protein and metastatic potential of cancer cells was detected.
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