期刊
MOLECULAR AND CELLULAR ENDOCRINOLOGY
卷 213, 期 2, 页码 167-172出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mce.2003.10.042
关键词
breast cancer; stanniocalcin-1; ligand; receptor
Stanniocalcin-1 (STC1) is a new polypeptide hormone that has metabolic effects on target cell mitochondria. Recent studies have shown that the STC1 gene is upregulated in primary breast tumors and co-expressed with the estrogen receptor. In this report we have demonstrated the histological co-localization of STC1 and its receptor in invasive and non-invasive human mammary gland ductal carcinomas. Analysis of 58 malignant breast biopsies revealed that STC1 and its receptor co-localized to cancer cells in 91% of cases. The study therefore reveals that in breast carcinomas STC1 signals in an autocrine feedback loop and opens up the possibility that it may be sequestered by neoplastic cells in much the same manner as it is by non-malignant cells. The data further supports the notion that STC1 plays a role in breast cancer and that it may prove to be a novel diagnostic and prognostic marker, and potential therapeutic target. (C) 2003 Elsevier Ireland Ltd. All rights reserved.
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