Characterization of 11 β-hydroxysteroid dehydrogenase gene expression: Identification of multiple unique forms of messenger ribonucleic acid in the rat kidney

Zygmunt Krozowski, Sarah Stuchbery, Perrin White, Carl Monder, John W. Funder

Research output: Contribution to journalArticle

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Abstract

The enzyme 11 β-hydroxysteroid dehydrogenase (11-HSD) appears to be involved in mediating aldosterone specificity of otherwise nonselective type I receptors in mineralocorticoid target tissues. In the present study gene expression of 11-HSD was characterized in various tissues of the rat by use of a complementary DNA probe coding for the rat liver 11-HSD. In the liver, lung, testis, colon, heart, hippocampus, and kidney papilla a single message was observed of length approximately 1700 nucleotides (nt). In the kidney cortex/medulla, however, messenger RNA (mRNA) species were observed at 1900 nt, 1600 nt and 1500 nt, and deadenylation studies showed that the renal 1900 nt species was heterogeneous. Northern blot analysis of 11-HSD mRNA showed low levels of expression in the kidney of the neonate and much higher levels in liver and lung with expression increasing markedly in all three tissues over development. In mature rats, a low salt diet significantly elevated 11-HSD mRNA in the liver but not in other tissues. We interpret these data as evidence for the existence of a family of 11-HSD genes, and consistent with the possibility that the hepatic species may modulate occupancy of type II (classical) glucocorticoid rather than type I receptors.

Original languageEnglish (US)
Pages (from-to)3009-3013
Number of pages5
JournalEndocrinology
Volume127
Issue number6
StatePublished - Dec 1990

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11-beta-Hydroxysteroid Dehydrogenases
RNA
Kidney
Gene Expression
Nucleotides
Kidney Medulla
Liver
Messenger RNA
Sodium-Restricted Diet
Mineralocorticoid Receptors
Kidney Cortex
Lung
DNA Probes
Aldosterone
Northern Blotting
Glucocorticoids
Testis
Hippocampus
Colon
Complementary DNA

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

Cite this

Characterization of 11 β-hydroxysteroid dehydrogenase gene expression : Identification of multiple unique forms of messenger ribonucleic acid in the rat kidney. / Krozowski, Zygmunt; Stuchbery, Sarah; White, Perrin; Monder, Carl; Funder, John W.

In: Endocrinology, Vol. 127, No. 6, 12.1990, p. 3009-3013.

Research output: Contribution to journalArticle

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