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Prognostic impact of immunohistochemical expression of claudin-4 and epithelial mesenchymal-related markers (Snail-1) in breast invasive duct carcinoma
Faculty
Medicine
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Nelly Mohammed Saeed Abdul Rahman Muhammed
Journal:
Revista de Senología y Patología Mamaria Elsevier
Volume:
Keywords :
Prognostic impact , immunohistochemical expression of claudin-4 , epithelial
Abstract:
Introduction: Although the molecular profile of the breast provides prognostic indicators, risk stratification in breast cancer continues to be a challenge. Therefore, it is mandatory to seek new prognostic markers that could aid the early diagnosis of potential metastases in biopsy samples from breast cancer; among these are increased Snail-1 and Claudin-4 expression. Objectives: The aim of this study was to analyze the correlation between Snail-1 and Claudin-4 with other clinical-pathological parameters and distinct molecular subtypes. Methods: This study included 110 patients with invasive ductal carcinoma from 2009 to January 2015. Snail-1 and Claudin-4 were assessed by immunohistochemistry in formalin-fixed paraffin-embedded tissue blocks and the data were correlated with clinical-pathological data and survival. Results: A total of 65 patients (68.2%) were positive for Snail-1 and 85 patients (77.3%) were positive for Claudin-4. High Snail-1 and high Claudin-4 were detected in high-grade tumors and were associated with lymphovascular infiltration and lymph node metastases (p < 0.001 for each). There was a highly significant correlation between Snail-1, Claudin-4 expression and the molecular subtype of breast cancer (p < 0.001), with higher Snail-1 expression in TNBC and Her 2/neu cases (p = 0.001). Claudin-4 expression in the Her2/neu enriched subtype, Snail-1-positivity and high Claudin-4 expression were associated with recurrence (p = 0.001; 0.004 respectively) among the cases studied. Snail-1 and Claudin-4 were inversely related with overall survival (p = 0.001) and disease-free survival (p = 0.001). Conclusion: High Snail-1 and Claudin-4 levels were associated with adverse outcomes in patients with breast cancer.
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Amal Mohamed Mahmoud Mangoud, "Participation in all Conferences concerning tumors, at Zagazig Univ. Hospital or Affair and Participation by 2 research papers. 1 /1 /1996 المجلة المجلة", لايوجد, 1900
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