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Published in: Pathology & Oncology Research 4/2012

Open Access 01-10-2012 | Research

Angiotensin II Type 1 Receptor (AT-1R) Expression Correlates with VEGF-A and VEGF-D Expression in Invasive Ductal Breast Cancer

Authors: Aleksandra Jethon, Bartosz Pula, Aleksandra Piotrowska, Andrzej Wojnar, Janusz Rys, Piotr Dziegiel, Marzena Podhorska-Okolow

Published in: Pathology & Oncology Research | Issue 4/2012

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Abstract

Recent studies point to the involvement of angiotensin II (Ang II) receptor type 1 (AT-1R) on processes of metastasing, stimulation of invasiveness and angiogenesis in tumours. In this study, the correlation between intensity of AT-1R expression and expression of lymph- and angiogenesis markers in invasive ductal breast cancers (IDC) was examined. Immunohistochemical studies (IHC) were performed on archival material of 102 IDC cases. Only 28 (27.5%) cases manifested low AT-1R expression while 74 (72.5%) cases demonstrated a moderate or pronounced AT-1R expression. Expression intensity of AT-1R was found to correlate with expressions of VEGF-A (r = 0.26; p = 0.008) and VEGF-D (r = 0.24; p = 0.015). Out of the examined markers of angiogenesis and lymphangiogenesis only the pronounced expression of VEGF-C was found to correlate with patient poor clinical outcome (p = 0.009). The positive correlation between AT-1R and VEGF-A and VEGF-D could point to stimulatory action of Ang II on their expression what might result in augmented lymph- and angiogenesis in IDC.
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Metadata
Title
Angiotensin II Type 1 Receptor (AT-1R) Expression Correlates with VEGF-A and VEGF-D Expression in Invasive Ductal Breast Cancer
Authors
Aleksandra Jethon
Bartosz Pula
Aleksandra Piotrowska
Andrzej Wojnar
Janusz Rys
Piotr Dziegiel
Marzena Podhorska-Okolow
Publication date
01-10-2012
Publisher
Springer Netherlands
Published in
Pathology & Oncology Research / Issue 4/2012
Print ISSN: 1219-4956
Electronic ISSN: 1532-2807
DOI
https://doi.org/10.1007/s12253-012-9516-x

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