Catalase and glutathione peroxidase mimics

被引:207
作者
Day, Brian J. [1 ,2 ]
机构
[1] Univ Colorado, Hlth Sci Ctr, Natl Jewish Hlth, Dept Med,Div Environm & Occupat Hlth Serv, Denver, CO 80206 USA
[2] Univ Colorado, Hlth Sci Ctr, Dept Immunol & Pharmaceut Sci, Denver, CO 80206 USA
关键词
Catalytic antioxidants; Cell signaling; Drug development; Hydrogen peroxide; Inflammation; Oxidative stress; CATALYTIC METALLOPORPHYRIN ANTIOXIDANT; ACTIVE SELENOORGANIC COMPOUND; SALEN-MANGANESE COMPLEXES; NITRIC-OXIDE SYNTHASE; SUPEROXIDE-DISMUTASE; OXIDATIVE STRESS; REACTIVE OXYGEN; HYDROGEN-PEROXIDE; CIGARETTE-SMOKE; DIPHENYL DISELENIDE;
D O I
10.1016/j.bcp.2008.09.029
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Overproduction of the reactive oxygen species (ROS) superoxide (O-2(-)) and hydrogen peroxide (H2O2) are increasingly implicated in human disease and aging. ROS are also being explored as important modulating agents in a number of cell signaling pathways. Earlier work has focused on development of small catalytic scavengers of O-2(-), commonly referred to as superoxide dismutase (SOD) mimetics. Many of these compounds also have substantial abilities to catalytically scavenge H2O2 and peroxynitrite (ONOO-). Peroxides have been increasingly shown to disrupt cell signaling cascades associated with excessive inflammation associated with a wide variety of human diseases. Early studies with enzymatic scavengers like SOD frequently reported little or no beneficial effect in biologic models unless SOD was combined with catalase or a peroxidase. Increasing attention has been devoted to developing catalase or peroxidase mimetics as a way to treat overt inflammation associated with the pathophysiology of many human disorders. This review will focus on recent development of catalytic scavengers of peroxides and their potential use as therapeutic agents for pulmonary, cardiovascular, neurodegenerative and inflammatory disorders. (C) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码:285 / 296
页数:12
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