Regulation of DDAH1 as a potential therapeutic target for treating cardiovascular diseases

Xiaoyu Liu, John Fassett, Yidong Wei, Yingjie Chen

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Asymmetric dimethylarginine (ADMA) is an endogenous nitric oxide synthase inhibitor that blocks nitric oxide production, while congestive heart failure is associated with increased plasma and tissue ADMA content. Increased plasma ADMA is a strong and independent predictor of all-cause mortality in the community and the strongest predictor of mortality in patients after myocardial infarction. Recent studies demonstrated that dimethylarginine dimethylaminohydrolase-1 (DDAH1) is the critical enzyme for ADMA degradation and thereby plays an important role in maintaining cardiovascular nitric oxide bioavailability. Interestingly, activation of the farnesoid X receptor (FXR) through the bile acid ursodeoxycholic acid (UDCA) or synthetic FXR agonists, such as GW4064, can increase DDAH1 expression. Thus, modulating DDAH1 activity through FXR receptor agonists such as UDCA could be a therapeutic target for treating reduced nitric oxide bioavailability in congestive heart failure and other cardiovascular diseases.

Original languageEnglish (US)
Article number619207
JournalEvidence-based Complementary and Alternative Medicine
Volume2013
DOIs
StatePublished - Jul 19 2013

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