Journal of Pharmacological Sciences
Online ISSN : 1347-8648
Print ISSN : 1347-8613
ISSN-L : 1347-8613
Short Communications
Azelnidipine Down-Regulates Renal Angiotensin-Converting Enzyme and Mineralocorticoid Receptor mRNA in Diabetic Hypertensive Rats
Tetsuya NakamuraYuichiro SaitoTomoko SaitoMasahiko Kurabayashi
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2006 Volume 102 Issue 2 Pages 239-242

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Abstract

Effects of a new lipophilic L-type calcium channel blocker, azelnidipine, on the expression of molecular components of the renin-angiotensin-aldosterone system (RAAS) were assessed. Male Otsuka Long-Evans Tokushima Fatty (OLETF) rats, a model of diabetes with hypertension, and their lean littermates, Long-Evans Tokushima Otsuka (LETO) rats, were treated with azelnidipine for 2 weeks. The renal cortical mineralocorticoid receptor mRNA in OLETF was higher than in LETO, but was suppressed (P<0.05) by azelnidipine. Renal cortical angiotensin-converting enzyme mRNA of OLETF was lower than that of LETO rats, and it was further suppressed by azelnidipine (P<0.05). Azelnidipine can down-regulate the gene expression of molecular components of RAAS.

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© The Japanese Pharmacological Society 2006
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