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The Impact of Caveolin Protein Expression in Tumor Stroma on Prognosis of Breast Cancer

Overview
Journal Tumour Biol
Publisher Sage Publications
Specialty Oncology
Date 2011 May 18
PMID 21584795
Citations 34
Authors
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Abstract

We aimed to investigate the expression of caveolin-1, -2, -3, and platelet-derived growth factor (PDGF) β receptor in breast cancer cells and stroma by immunohistochemistry and to analyze their implications. The expression rates of stromal caveolin-2 and PDGF β receptor increased as the tumor progressed from ductal carcinoma in situ to microinvasive ductal carcinoma, intraductal component of invasive ductal carcinoma (IDC), and IDC (p<0.001). The expression loss of caveolin-1 in tumor stroma of IDC correlated with high tumor stage (p<0.001), high nodal stage (p=0.011), high cancer stage (p=0.005), estrogen receptor negativity (p=0.003), and tumor recurrence (p=0.003). In addition, the expression loss of caveolin-1 in tumor stroma was correlated with a shorter disease-free survival and an overall survival (p<0.001). In conclusion, the loss of stromal caveolin-1 is related to poor prognosis in IDC.

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