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Immunohistochemical Evaluation of Cadherin-Catenin Complex Expression in Breast Cancer

https://doi.org/10.18499/2225-7357-2017-6-1-63-68

Abstract

Immunohistochemical analysis of E-cadherin and β-catenin expression, distribution and interaction in primary breast cancer (BC) (n=32) with metastasis in lymphatic nodes (n=4) and liver (n=8) was performed. E-cadherin and β-catenin expression in BC cells was determined by specific antibodies. The results showed that the reduction or absence of E-cadherin expression were significantly more frequent in BC patients with metastasis (70%), than without metastasis (30%). Increased cytoplasmic immunoreactivity and nuclear translocation of β-catenin were observed more than in 80% of BC cases, accompanied with metastasis. Such changes in E-cadherin and β-catenin expression in tumor cells be considered as factors of unfavorable prognosis in BC. The appearance of β-catenin expression indicates the launch of signaling pathways, initiated by aberrant expression of epithelial cadherins, leading to increased mobility and invasion of tumor cells.

About the Authors

M. V. Mnikhovich
Research Institute of Human Morphology, Moscow, Russia; N. I. Pirogov Russian National Research Medical University, Moscow, Russia
Russian Federation


K. Yu. Midiber
A. I. Evdokimov Moscow State Medical Stomatological University, Moscow, Russia
Russian Federation


A. R. Gallyamova
A. I. Evdokimov Moscow State Medical Stomatological University, Moscow, Russia
Russian Federation


A. G. Erzieva
Municipal Clinical Hospital № 20 Moscow Department of Health, Moscow, Russia
Russian Federation


V. V. Luchinin
Moscow International Patomorphological Laboratory «LABORATOIRES DE GENIE», Moscow, Russia
Russian Federation


S. V. Anistratov
Moscow International Patomorphological Laboratory «LABORATOIRES DE GENIE», Moscow, Russia
Russian Federation


A. V. Shilov
Moscow International Patomorphological Laboratory «LABORATOIRES DE GENIE», Moscow, Russia
Russian Federation


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For citations:


Mnikhovich M.V., Midiber K.Yu., Gallyamova A.R., Erzieva A.G., Luchinin V.V., Anistratov S.V., Shilov A.V. Immunohistochemical Evaluation of Cadherin-Catenin Complex Expression in Breast Cancer. Journal of Anatomy and Histopathology. 2017;6(1):63-68. (In Russ.) https://doi.org/10.18499/2225-7357-2017-6-1-63-68

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