Differential expression of a stress-modulating gene, BRE, in the adrenal gland, in adrenal neoplasia, and in abnormal adrenal tissues
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AbstractGenes that modulate the action of hormones and cytokines play a critical role in stress response, survival, and in growth acid differentiation of cells. Many of these biological response modifiers are responsible for various pathological conditions, including inflammation, infection, cachexia, aging, genetic disorders, and cancer. We have previously identified a new gene, BRE, that is responsive to DNA damage and retinoic acid. Using multiple-tissue dot-blotting and Northern blotting, BRE was recently found to be strongly expressed in adrenal cortex and medulla, in testis, and in pancreas, whereas low expression was found in the thyroid, thymus, small intestine and stomach. In situ hybridization and immunohistochemical staining indicated that BRE was strongly expressed in the zona glomerulosa of the adrenal cortex, which synthesizes and secretes the mineralocorticoid hormones. It is also highly expressed in the glial and neuronal cells of the brain and in the round spermatids, Sertoli cells, and Ledig cells of the testis, all of which are associated with steroid hormones and/or TNF synthesis. However, BRE expression was downregulated in human adrenal adenoma and pheochromocytoma, whereas its expression was enhanced in abnormal adrenal tissues of rats chronically treated with nitrate or nitrite. These data, taken together, indicate that the expression of BRE is apparently associated with steroids and/or TNF production and the regulation of endocrine functions. BRE may play an important role in the endocrine and immune system, such as the cytokine-endocrine interaction Of the adrenal gland.
All Author(s) ListMiao J, Panesar NS, Chan KT, Lai FMM, Xia NS, Wang YB, Johnson PJ, Chan JYH
Journal nameJournal of Histochemistry and Cytochemistry
Volume Number49
Issue Number4
Pages491 - 499
LanguagesEnglish-United Kingdom
Keywordsadrenal; BRE; neoplasia; steroid; stress response
Web of Science Subject CategoriesCell Biology; CELL BIOLOGY

Last updated on 2021-24-09 at 01:07