Localization of 11beta-hydroxysteroid dehydrogenase type 2 in rat tissues: in situ studies.
Abstract
In the rat, the enzyme 11beta-hydroxysteroid dehydrogenase 2 (11betaHSD2) converts the glucocorticoid corticosterone into receptor-inactive 11-dehydrocorticosterone, thereby allowing preferential access of aldosterone to mineralocorticoid receptors (MR). The present study examines the distribution of this enzyme by in situ hybridization, using a homologous complementary RNA probe for 11betaHSD2. 11betaHSD2 messenger RNA was detected in classic epithelial aldosterone target tissues (kidney, salivary glands, and colon), the female reproductive system (ovary, oviduct, uterus, and placenta), and the adrenals; levels in heart, testis, and liver were below the limits of detection. We interpret the finding of 11betaHSD2 expression in both classical MR-containing aldosterone target tissues and a variety of other tissue as evidence that in the rat, the enzyme may play physiological roles in addition to that of excluding glucocorticoids from epithelial MR.
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Free cortisol is converted to cortisone by 11β hydroxy-steroid dehydrogenase (11βHSD) type 2 which is highly expressed in salivary glands.
“Free cortisol is converted to cortisone by 11β hydroxy-steroid dehydrogenase (11βHSD) type 2 which is highly expressed in salivary glands [5].”
From Bioavailability of Oral Hydrocortisone Corrected for Binding Proteins and Measured by LC-MS/MS Using Serum Cortisol and Salivary Cortisone (2018) · cites this paper as [5]
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11β-hydroxysteroid dehydrogenases: Intracellular gate-keepers of tissue glucocorticoid action
Chapman, K., Holmes, M., & Seckl, J. (2013) · Physiological Reviews · doi:10.1152/physrev.00020.2012 · Cited by 887 · see citing works
11β-Hydroxysteroid dehydrogenases and the brain: From zero to hero, a decade of progress
Wyrwoll, C. S., Holmes, M. C., & Seckl, J. R. (2011) · Frontiers in Neuroendocrinology · doi:10.1016/j.yfrne.2010.12.001 · Cited by 244 · see citing works
Salivary cortisol and cortisone in the clinical setting
Blair, J., Adaway, J., Keevil, B., & Ross, R. (2017) · Current Opinion in Endocrinology, Diabetes & Obesity · doi:10.1097/med.0000000000000328 · Cited by 138 · see citing works
TN, J., MJ, W., B, K., & RJ, R. (2018) · Journal of Bioequivalence & Bioavailability · doi:10.4172/jbb.1000365 · Cited by 12 · see citing works
“Free cortisol is converted to cortisone by 11β hydroxy-steroid dehydrogenase (11βHSD) type 2 which is highly expressed in salivary glands [5].”
- Authors
- Roland, B. L., & Funder, J. W.
- ORCID
- Funder, J W
- Venue
- Endocrinology
- Publisher
- The Endocrine Society
- Published
- 1996-03
- Volume
- 137
- Issue
- 3
- Pages
- 1123-1128
- ISSN
- 0013-7227 (ISSN-L)
- 1945-7170
- OpenAlex
- W2009703358
- Cited by
- 88
- References
- 0
- Citations by year
- 2024: 2 · 2023: 2 · 2022: 1 · 2021: 3 · 2019: 1 · 2018: 2 · 2017: 1 · 2016: 3 · 2014: 2 · 2013: 3 · 2012: 3
- FWCI
- 6.45
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Endocrinology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Medical Research Council
- National Health and Medical Research Council
- Topics
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal Regulation and Hypertension
- Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
- Keywords
- 11β-hydroxysteroid dehydrogenase type 2, enzyme localization, tissue distribution, mineralocorticoid receptor, aldosterone, corticosterone, 11-dehydrocorticosterone, kidney, salivary glands, colon, female reproductive system, adrenal gland, messenger RNA expression
- MeSH terms
- Animals, Female, Hydroxysteroid Dehydrogenases, Male, Organ Specificity, RNA, Messenger, Rats, Sprague-Dawley, In Situ Hybridization, 11-beta-Hydroxysteroid Dehydrogenases, Rats
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