The angiotensin II type 2 receptor: What is its clinical significance?

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28 Scopus citations


Angiotensin (Ang) II exerts its important physiologic functions through two distinct receptor subtypes, the type 1 (AT1) and type 2 (AT2) receptors. AT1 and AT2 receptors have demonstrated counterregulatory interactions in the cardiovascular and renal systems. The cross-talk between AT1 and AT2 receptors has been suggested to participate in regulating blood pressure, cardiovascular growth, fibrosis, and remodeling, as well as renal blood flow, growth, fibrosis, and sodium excretion. The AT1 receptor is distributed ubiquitously and abundantly in adult tissues, whereas expression of the AT2 receptor is high in the fetus but low in adult tissues. However, mounting evidence indicates that AT2 receptor cardiovascular expression increases in response to injury and AT1 receptor blocker therapy. This article reviews recent experimental and clinical data elucidating the role of the AT2 receptor in cardiovascular and renal homeostasis.

Original languageEnglish (US)
Pages (from-to)188-193
Number of pages6
JournalCurrent Hypertension Reports
Issue number3
StatePublished - Jun 1 2008

ASJC Scopus subject areas

  • Internal Medicine


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