Genetic and Pharmacological Inhibition of Dimethylarginine Dimethylaminohydrolase 1 Is Protective in Endotoxic Shock
Author(s) -
Manasi Nandi,
Peter D. Kelly,
Belén Torondel,
Zhen Wang,
Anna Starr,
Yue Ma,
Philip Cunningham,
Raymond Stidwill,
James Leiper
Publication year - 2012
Publication title -
arteriosclerosis thrombosis and vascular biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.007
H-Index - 270
eISSN - 1524-4636
pISSN - 1079-5642
DOI - 10.1161/atvbaha.112.300232
Subject(s) - lipopolysaccharide , septic shock , shock (circulatory) , pharmacology , circulatory system , asymmetric dimethylarginine , chemistry , biology , medicine , sepsis , biochemistry , arginine , amino acid
The overproduction of vascular NO contributes toward the circulatory collapse observed in patients with septic shock. Dimethylarginine dimethylaminohydrolase (DDAH), which has 2 isoforms, metabolizes asymmetrically methylated arginines (asymmetric mono- or di-methylarginine), endogenously produced NO synthase inhibitors. We wished to investigate whether reducing DDAH1 activity, using genetic and pharmacological approaches, is protective during lipopolysaccharide-induced endotoxic shock.
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