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Chronic antagonism of the mineralocorticoid receptor ameliorates hypertension and end organ damage in a rodent model of salt-sensitive hypertension

  • Xiaoyan Zhou
  • , Martin F. Crook
  • , Wanda Sharif-Rodriguez
  • , Yonghua Zhu
  • , Zadok Ruben
  • , Yi Pan
  • , Olga Urosevic-Price
  • , Li Wang
  • , Amy M. Flattery
  • , Gail Forrest
  • , Daphne Szeto
  • , Huawei Zhao
  • , Sophie Roy
  • , Michael J. Forrest

Research output: Contribution to journalArticlepeer-review

Abstract

We investigated the effects of chronic mineralocorticoid receptor blockade with eplerenone on the development and progression of hypertension and end organ damage in Dahl salt-sensitive rats. Eplerenone significantly attenuated the progressive rise in systolic blood pressure (SBP) (204 ± 3 vs. 179±3 mmHg, p < 0.05), reduced proteinuria (605.5 ± 29.6 vs. 479.7 ± 26.1 mg/24h, p < 0.05), improved injury scores of glomeruli, tubules, renal interstitium, and vasculature in Dahl salt-sensitive rats fed a high-salt diet. These results demonstrate that mineralocorticoid receptor antagonism provides target organ protection and attenuates the development of elevated blood pressure (BP) in a model of salt-sensitive hypertension.

Original languageEnglish
Pages (from-to)538-547
Number of pages10
JournalClinical and Experimental Hypertension
Volume33
Issue number8
DOIs
StatePublished - Dec 2011
Externally publishedYes

Keywords

  • Mineralocorticoid receptor antagonist
  • dahl salt-sensitive rats
  • end organ protection
  • eplerenone
  • hypertension

ASJC Scopus subject areas

  • Internal Medicine
  • Physiology

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