Progesterone, glucocorticoid, but not estrogen receptor mRNA is altered in breast cancer stroma

Smith, Robert A., Lea, Rod A., Weinstein, Stephen R., & Griffiths, Lyn R. (2007) Progesterone, glucocorticoid, but not estrogen receptor mRNA is altered in breast cancer stroma. Cancer Letters, 255(1), pp. 77-84.

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Our laboratory has previously found that anti-mitogenic nuclear receptor mRNA is elevated in late stage tumours and this study was performed to scrutinize the possibility of cancer-stroma crosstalk using hormone signaling in these tissues. RNA levels in stromal tissue were examined for the estrogen α, estrogen β, androgen, progesterone and glucocorticoid nuclear receptors by a semi-quantitative PCR. Significant differences in expression between the cancer stroma and control tissue were seen, analyzing for both cancer grade and estrogen receptor status. Stroma and control tissue were significantly different for the progesterone and glucocorticoid nuclear receptors (p = 5.908 × 10−7 and 2.761 × 10−5, respectively). Glucocorticoid receptor also showed a significant increase to mRNA levels in the stroma of estrogen receptor negative tumours (p = 5.85 × 10−5). By contrast, the estrogen receptors α and β, those most closely associated with breast tissue growth, showed no significant change in mRNA (p = 0.372 and 0.655, respectively). Androgen receptor mRNA also remained unaffected (p = 0.174).

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ID Code: 62696
Item Type: Journal Article
Refereed: Yes
DOI: 10.1016/j.canlet.2007.03.019
ISSN: 0304-3835
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2007 Elsevier Ireland Ltd
Deposited On: 19 Sep 2013 06:53
Last Modified: 22 Jul 2014 23:15

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