Aberrant 11β-hydroxysteroid dehydrogenase-1 activity in the cpk mouse: Implications for regulation by the Ke 6 gene

Nazneen Aziz, Dennis Brown, Wen Sen Lee, Aniko Naray-Fejes-Toth

研究成果: 雜誌貢獻文章

摘要

Glucocorticoids have been used to create experimental polycystic kidney disease in rodents and to induce cysts in embryonic kidneys cultures. In addition, the plasma corticosterone levels are higher in a heritable murine model of polycystic kidney disease, cpk mice, in the first postnatal week. Previously, we had shown that the 11β-hydroxysteroid dehydrogenase-1 (11βHSD-1) gene is down-regulated in the cpk mice in a coordinated pattern with the Ke 6 gene. In this study, we measured the level of 11βHSD-1 activity in kidney and liver tissues of cpk homozygote mice and found a reduction in its activity only in the kidney, not in the liver. The activity of the 11βHSD-1 enzyme appears to be tightly correlated to the level of Ke 6 protein in these tissues. We discuss the possibility that the activity of the 11βHSD-1 enzyme may be regulated by the Ke 6 enzyme. Ke 6 gene expression has been located to the outer stripe region of rodent kidneys, which is the same region of expression as that for the 11βHSD-1 gene. These results suggest that down-regulation of the Ke 6 gene may lead to elevated corticosterone levels, mediated through an inhibition of 11βHSD-1 activity.

原文英語
頁(從 - 到)5581-5588
頁數8
期刊Endocrinology
137
發行號12
DOIs
出版狀態已發佈 - 1996
對外發佈Yes

指紋

11-beta-Hydroxysteroid Dehydrogenases
Genes
Kidney
Polycystic Kidney Diseases
Corticosterone
Rodentia
Enzymes
Liver
Homozygote
Glucocorticoids
Cysts
Down-Regulation
Gene Expression

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

引用此文

Aberrant 11β-hydroxysteroid dehydrogenase-1 activity in the cpk mouse : Implications for regulation by the Ke 6 gene. / Aziz, Nazneen; Brown, Dennis; Lee, Wen Sen; Naray-Fejes-Toth, Aniko.

於: Endocrinology, 卷 137, 編號 12, 1996, p. 5581-5588.

研究成果: 雜誌貢獻文章

Aziz, Nazneen ; Brown, Dennis ; Lee, Wen Sen ; Naray-Fejes-Toth, Aniko. / Aberrant 11β-hydroxysteroid dehydrogenase-1 activity in the cpk mouse : Implications for regulation by the Ke 6 gene. 於: Endocrinology. 1996 ; 卷 137, 編號 12. 頁 5581-5588.
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