Mechanisms underlying activation of soluble guanylate cyclase by the nitroxyl donor Angeli's salt

A Zeller, MV Wenzl, M Beretta, H Stessel… - Molecular …, 2009 - ASPET
Nitroxyl (HNO) may be formed endogenously by uncoupled nitric-oxide (NO) synthases,
enzymatic reduction of NO or as product of vascular nitroglycerin bioactivation. The established …

[HTML][HTML] Characterization of the East Asian variant of aldehyde dehydrogenase-2: bioactivation of nitroglycerin and effects of Alda-1

M Beretta, ACF Gorren, MV Wenzl, R Weis… - Journal of biological …, 2010 - ASBMB
The East Asian variant of mitochondrial aldehyde dehydrogenase (ALDH2) exhibits significantly
reduced dehydrogenase, esterase, and nitroglycerin (GTN) denitrating activities. The …

[HTML][HTML] Vascular bioactivation of nitroglycerin by aldehyde dehydrogenase-2: reaction intermediates revealed by crystallography and mass spectrometry

BS Lang, ACF Gorren, G Oberdorfer, MV Wenzl… - Journal of Biological …, 2012 - ASBMB
Aldehyde dehydrogenase-2 (ALDH2) catalyzes the bioactivation of nitroglycerin (glyceryl
trinitrate, GTN) in blood vessels, resulting in vasodilation by nitric oxide (NO) or a related …

[HTML][HTML] Role of the general base Glu-268 in nitroglycerin bioactivation and superoxide formation by aldehyde dehydrogenase-2

MV Wenzl, M Beretta, ACF Gorren, A Zeller… - Journal of biological …, 2009 - ASBMB
Mitochondrial aldehyde dehydrogenase-2 (ALDH2) plays an essential role in nitroglycerin (GTN)
bioactivation, resulting in formation of NO or a related activator of soluble guanylate …

Site-directed mutagenesis of aldehyde dehydrogenase-2 suggests three distinct pathways of nitroglycerin biotransformation

MV Wenzl, M Beretta, M Griesberger, M Russwurm… - Molecular …, 2011 - ASPET
To elucidate the mechanism underlying reduction of nitroglycerin (GTN) to nitric oxide (NO)
by mitochondrial aldehyde dehydrogenase (ALDH2), we generated mutants of the enzyme …

Vascular tolerance to nitroglycerin in ascorbate deficiency

G Wölkart, MV Wenzl, M Beretta, H Stessel… - Cardiovascular …, 2008 - academic.oup.com
Aims Nitroglycerin (GTN) acts through release of a nitric oxide (NO)-related activator of
soluble guanylate cyclase in vascular smooth muscle. Besides enzymatic GTN bioactivation …

Different effects of ascorbate deprivation and classical vascular nitrate tolerance on aldehyde dehydrogenase‐catalysed bioactivation of nitroglycerin

MV Wenzl, G Wölkart, H Stessel… - British journal of …, 2009 - Wiley Online Library
Background and purpose: Vascular tolerance to nitroglycerin (GTN) may be caused by
impaired GTN bioactivation due to inactivation of mitochondrial aldehyde dehydrogenase (ALDH2…

Tolerance to nitroglycerin through proteasomal down‐regulation of aldehyde dehydrogenase‐2 in a genetic mouse model of ascorbate deficiency

G Wölkart, M Beretta, MV Wenzl… - British Journal of …, 2013 - Wiley Online Library
Background and Purpose L ‐gulonolactone oxidase‐deficient ( G ulo (‐/‐) ) mice were used
to study the effects of ascorbate deficiency on aortic relaxation by nitroglycerin ( GTN ) with …

Bioactivation of pentaerythrityl tetranitrate by mitochondrial aldehyde dehydrogenase

M Griesberger, A Kollau, G Wölkart, MV Wenzl… - Molecular …, 2011 - ASPET
Mitochondrial aldehyde dehydrogenase (ALDH2) contributes to vascular bioactivation of
the antianginal drugs nitroglycerin (GTN) and pentaerythrityl tetranitrate (PETN), resulting in …

Role of the general base Glu268 in nitroglycerin bioactivation and mechanism-based superoxide formation by aldehyde dehydrogenase-2

MV Wenzl, M Beretta, ACF Gorren, PK Baral… - BMC …, 2009 - Springer
Background Mitochondrial aldehyde dehydrogenase (ALDH2) plays an essential role in
nitroglycerin (GTN) bioactivation, resulting in formation of nitric oxide (NO) or a related activator …