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Updated: Aug 16, 2026

Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
Published on: October 12, 2017
[Peroxide modification of low density lipoproteins in ischemic heart disease]
Insights
Patients with ischemic heart disease have significantly higher levels of LDL peroxide lipids. This suggests pre-existing LDL modification in blood flow contributes to disease progression, even with normal macrophage uptake.
Area of Science:
- Biochemistry
- Cardiovascular Medicine
- Lipid Metabolism
Context:
- Ischemic heart disease (IHD) is a major global health concern.
- Lipid peroxidation plays a critical role in cardiovascular pathology.
- Understanding LDL modification is key to IHD pathogenesis.
Purpose:
- To investigate the levels of LDL peroxide lipid products in IHD patients.
- To compare LDL uptake by macrophages in IHD patients versus healthy subjects.
- To elucidate the role of LDL premodification in IHD.
Summary:
- LDL peroxide lipid products were found to be 1.6-4 times higher in IHD patients compared to normal subjects.
- Macrophage uptake of LDL was observed to be identical in both IHD patients and normal subjects.
- This indicates that LDL premodification within the bloodstream of IHD patients may facilitate subsequent modification after entering the vessel wall.
Impact:
- Provides insights into the biochemical alterations underlying IHD.
- Suggests potential therapeutic targets related to LDL modification.
- Highlights the importance of LDL's extracellular environment in cardiovascular disease development.
Abstract:
It is shown that the LDL peroxide lipid products level is 1.6-4 times higher in patients with the ischemic heart diseases (IHD) than in normal subjects. At the same time the LDL uptake by macrophages was identical in case of normal subjects and of IHD patients. It is suggested that the LDL premodification in the blood flow in the IHD patients promotes the further modification of LDL particles after their penetration into the vessel wall.
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