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Effects of 4-hydroxynonenal on Vascular Endothelial and Smooth Muscle Cell Redox Signaling and Function in Health and Disease

Effects of 4-hydroxynonenal on Vascular Endothelial and Smooth Muscle Cell Redox Signaling and Function in Health and Disease

Sarah J Chapple, Xinghua Cheng, Giovanni E Mann

Redox Biol. 2013 May 23;1(1):319-31.

PMID: 24024167

Abstract:

4-hydroxynonenal (HNE) is a lipid hydroperoxide end product formed from the oxidation of n-6 polyunsaturated fatty acids. The relative abundance of HNE within the vasculature is dependent not only on the rate of lipid peroxidation and HNE synthesis but also on the removal of HNE adducts by phase II metabolic pathways such as glutathione-S-transferases. Depending on its relative concentration, HNE can induce a range of hormetic effects in vascular endothelial and smooth muscle cells, including kinase activation, proliferation, induction of phase II enzymes and in high doses inactivation of enzymatic processes and apoptosis. HNE also plays an important role in the pathogenesis of vascular diseases such as atherosclerosis, diabetes, neurodegenerative disorders and in utero diseases such as pre-eclampsia. This review examines the known production, metabolism and consequences of HNE synthesis within vascular endothelial and smooth muscle cells, highlighting alterations in mitochondrial and endoplasmic reticulum function and their association with various vascular pathologies.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42415157	NAD Kinase (catalytic domain) human			Price

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