Publications by authors named "David Hine"

The inhibition of low-density lipoprotein (LDL) oxidation by high-density lipoprotein (HDL) is a major antiatherogenic property of this lipoprotein. This activity is due, in part, to HDL associated proteins. However, whether these proteins interact in the antioxidant activity of HDL is unknown.

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Therapeutic strategies to increase high-density lipoprotein (HDL) to treat or prevent vascular disease include the use of cholesteryl-ester transfer protein (CETP) inhibitors. Here, we show, to the best of our knowledge for the first time, that addition of CETP to HDL enhances the ability of HDL to inhibit low-density lipoprotein oxidation by ∼ 30% for total HDL and HDL(2) (both P < 0.05) and 75% for HDL(3) (P < 0.

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Background: Paraoxonase1 (PON1) is an anti-inflammatory enzyme located on HDL, which protects against the development of atherosclerosis. C-reactive protein (CRP) is a marker of the inflammatory response in CHD. We hypothesised that low PON1 and high CRP found in CHD may be important markers of CHD and the CRP:PON1 ratio may be an index of the risk of developing atherosclerosis.

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The upregulation of endothelial cell MCP-1 production by ox-LDL is a major initiating event in atherogenesis. HDL and PON1 retard the oxidation of LDL and therefore may retard endothelial cell MCP-1 production. The endothelial cell line EAhy926 was incubated with ox-LDL in the presence and absence of HDL and PON1 and the production of MCP-1 was measured by ELISA.

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