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Comment
. 2009 Jun;157(4):537-9.
doi: 10.1111/j.1476-5381.2009.00153.x.

Nitroxyl anion--the universal signalling partner of endogenously produced nitric oxide?

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Comment

Nitroxyl anion--the universal signalling partner of endogenously produced nitric oxide?

William Martin. Br J Pharmacol. 2009 Jun.

Abstract

Although it is generally assumed that the primary product of the three isoforms of NO synthase is the nitric oxide radical (NO(*)), growing evidence suggests that the one-electron reduced form of nitrogen monoxide, nitroxyl anion (NO(-)), may be a natural co-product. Thus, evidence from conduit and resistance arteries and nitrergically innervated tissues indicates that NO(-) exerts widespread signalling functions alongside NO(*) in the cardiovascular and autonomic nervous systems, and perhaps beyond. In this issue of the BJP Andrews et al. add to this debate by providing strong evidence that NO(*) and HNO both contribute to the EDRF-mediated component of in mouse (MMA) and rat (RMA) mesenteric resistance arteries.

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