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  • Combating oxidative stress in vascular disease: NADPH oxidases as therapeutic targets.

Combating oxidative stress in vascular disease: NADPH oxidases as therapeutic targets.

Nature reviews. Drug discovery (2011-06-02)
Grant R Drummond, Stavros Selemidis, Kathy K Griendling, Christopher G Sobey
ABSTRACT

NADPH oxidases are a family of enzymes that generate reactive oxygen species (ROS). The NOX1 (NADPH oxidase 1) and NOX2 oxidases are the major sources of ROS in the artery wall in conditions such as hypertension, hypercholesterolaemia, diabetes and ageing, and so they are important contributors to the oxidative stress, endothelial dysfunction and vascular inflammation that underlies arterial remodelling and atherogenesis. In this Review, we advance the concept that compared to the use of conventional antioxidants, inhibiting NOX1 and NOX2 oxidases is a superior approach for combating oxidative stress. We briefly describe some common and emerging putative NADPH oxidase inhibitors. In addition, we highlight the crucial role of the NADPH oxidase regulatory subunit, p47phox, in the activity of vascular NOX1 and NOX2 oxidases, and suggest how a better understanding of its specific molecular interactions may enable the development of novel isoform-selective drugs to prevent or treat cardiovascular diseases.

MATERIALS
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Product Description

Sigma-Aldrich
β-Nicotinamide adenine dinucleotide 2′-phosphate reduced tetrasodium salt hydrate, ≥95% (HPLC)
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β-Nicotinamide adenine dinucleotide 2′-phosphate reduced tetrasodium salt hydrate, ≥93% (HPLC)
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β-Nicotinamide adenine dinucleotide 2′-phosphate reduced tetrasodium salt, vial of 10 mg, ~95%
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