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Published in: Tumor Biology 5/2015

01-05-2015 | Research Article

RETRACTED ARTICLE: Evidence for involvement of steroid receptors and coactivators in neuroepithelial and meningothelial tumors

Authors: Mengying Liu, Kaiyuan Zhang, Yangang Zhao, Qiang Guo, Deyu Guo, Jiqiang Zhang

Published in: Tumor Biology | Issue 5/2015

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Abstract

Steroid receptors such as androgen receptor (AR) and estrogen receptors (ER) ER-α and ER-β, and their receptor coactivators (steroid receptor coactivator, SRC) are widely localized in the brain. Although previous studies have investigated the expression of steroid receptors in brain tumors like astrocytoma, the studies on the expression of steroid receptors and SRCs in other brain tumors are lacking. Here, we investigated the expression of AR, ERs, and SRCs in neuroepithelial (medulloblastoma, ependymoma, oligodendroglioma) and meningothelial meningioma using tissue microarray immunohistochemistry. Compared to normal brain tissue, we found that the expression of SRC-1, SRC-3, and ER-α significantly decreased in meningothelial tumor and neuroepithelial tumor, suggesting that the SRC-1/SRC-3 levels may be regulated by ER-α. Moreover, the levels of AR strongly correlated to the levels of ER-β. Furthermore, correlation was also detected between SRC-3 and AR in neuroepithelial tumor, and between ER-α and ER-β in meningothelial tumor. In addition, the decreased ratio of SRC-1/SRC-3 was associated with an increase of ER-β in neuroepithelial tumor. These results indicate that expressions of different steroid receptors and activators may be tumor type dependent. While AR, ER-α, and ER-β may be involved in the pathogenesis of meningothelial tumor, SRCs/ER-β axis and SRC-3/AR axis may play a role in the pathogenesis of neuroepithelial tumor.
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Metadata
Title
RETRACTED ARTICLE: Evidence for involvement of steroid receptors and coactivators in neuroepithelial and meningothelial tumors
Authors
Mengying Liu
Kaiyuan Zhang
Yangang Zhao
Qiang Guo
Deyu Guo
Jiqiang Zhang
Publication date
01-05-2015
Publisher
Springer Netherlands
Published in
Tumor Biology / Issue 5/2015
Print ISSN: 1010-4283
Electronic ISSN: 1423-0380
DOI
https://doi.org/10.1007/s13277-014-2954-1

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