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A High Throughput Biochemical Fluorometric Method for Measuring Lipid Peroxidation in HDL
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A High Throughput Biochemical Fluorometric Method for Measuring Lipid Peroxidation in HDL
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Journal Article
A High Throughput Biochemical Fluorometric Method for Measuring Lipid Peroxidation in HDL
2014
Overview
Current cell-based assays for determining the functional properties of high-density lipoproteins (HDL) have limitations. We report here the development of a new, robust fluorometric cell-free biochemical assay that measures HDL lipid peroxidation (HDLox) based on the oxidation of the fluorochrome Amplex Red. HDLox correlated with previously validated cell-based (r = 0.47, p<0.001) and cell-free assays (r = 0.46, p<0.001). HDLox distinguished dysfunctional HDL in established animal models of atherosclerosis and Human Immunodeficiency Virus (HIV) patients. Using an immunoaffinity method for capturing HDL, we demonstrate the utility of this novel assay for measuring HDLox in a high throughput format. Furthermore, HDLox correlated significantly with measures of cardiovascular diseases including carotid intima media thickness (r = 0.35, p<0.01) and subendocardial viability ratio (r = -0.21, p = 0.05) and physiological parameters such as metabolic and anthropometric parameters (p<0.05). In conclusion, we report the development of a new fluorometric method that offers a reproducible and rapid means for determining HDL function/quality that is suitable for high throughput implementation.
Publisher
Public Library of Science,Public Library of Science (PLoS)
Subject
/ Adult
/ Animals
/ Assaying
/ Carotid Intima-Media Thickness
/ Coronary Artery Disease - blood
/ Coronary Artery Disease - metabolism
/ Female
/ High-Throughput Screening Assays - methods
/ HIV
/ HIV-1 - isolation & purification
/ Human immunodeficiency virus
/ Humans
/ Lipids
/ Lipoproteins, HDL - chemistry
/ Lipoproteins, HDL - metabolism
/ Male
/ Medicine
/ Medicine and Health Sciences
/ Studies
/ Viruses
