Usefulness and limitations of E-cadherin and beta-catenin in the classification of breast carcinomas in situ with mixed pattern
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منابع مشابه
Usefulness and limitations of E-cadherin and β-catenin in the classification of breast carcinomas in situ with mixed pattern
BACKGROUND The distinction between lobular neoplasia of the breast and ductal carcinoma in situ has important therapeutic implications. In some cases, it is very difficult to determine whether the morphology of the lesion is ductal or lobular. The aim of this study was to evaluate the value of E-cadherin and β-catenin expression through the immunophenotypical characterization of carcinoma in si...
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Background and purpose: Breast carcinoma is the most common malignant tumor and the leading cause of death due to cancer among women. Previous studies have shown that increased expression of dysadherin promotes cancer metastasis and reduced expression of E-cadherin was also associated with progression of epithelial tumors. The aim of this study was concurrent assessment of E- cadherin and dysad...
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AIMS The relation between lobular carcinoma in situ (LCIS) and invasive breast cancer is unresolved. In an attempt to establish whether LCIS is a precursor of invasive cancer the mutational status and the expression of E-cadherin was analysed in LCIS and associated invasive breast carcinoma in 23 patients. METHODS Foci of LCIS and associated invasive carcinoma were individually microdissected...
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Activated beta-catenin is suggested to inhibit NF-kappaB activation, and we previously demonstrated that NF-kappaB nuclear positivity was more frequent in Epstein-Barr virus (EBV)-infected gastric carcinomas. It is controversial that beta-catenin and E-cadherin are prognostic markers in gastric carcinomas. To define a relationship between beta-catenin and EBV, and the prognostic value of beta-c...
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Background: Aberrant methylation of cytosine-guanine dinucleotide islands leads to inactivation of tumor suppressor genes in breast cancer. Tumor suppressor genes are unmethylated in normal tissue and often become hypermethylated during tumor formation, leading to gene silencing. We investigated the association between E-cadherin (CDH1) and estrogen receptor-α (ESRα) gene promoter methylation a...
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