Effect of 5,6,7,8-Tetrahydroneopterin on Oxidative Modification of Low-Density Lipoprotein, and Its Uptake in the Macrophage-Like Cell Line J774
Copyright policy )Effect of 5,6,7,8-Tetrahydroneopterin on Oxidative Modification of Low-Density Lipoprotein, and Its Uptake in the Macrophage-Like Cell Line J774
Since oxidative modification of low-density lipoprotein (LDL) and uptake of the oxidized LDL by macrophages are closely related to the pathogenesis of atherosclerosis, we examined the inhibitory effect of 5,6,7,8-tetrahydroneopterin (NPH4) on Cu(II)-induced lipid peroxidation of LDL. NPH4 significantly inhibited both lipid peroxidation and the associated increase of electrophoretic mobility of ApoB protein. Furthermore, NPH4 suppressed the uptake of oxidized [14C]oleyl-esterified LDL by the macrophage-like cell line J774. NPH4 may be a candidate for the treatment of atherosclerosis and other active oxygen-related diseases.
- Tokyo University of Science Japan
- University of Tokyo Japan
Macrophages, Blood Protein Electrophoresis, Antioxidants, Cell Line, Lipoproteins, LDL, Biopterins, Phosphatidylcholines, Humans, Lipid Peroxidation, Oxidation-Reduction, Copper, Apolipoproteins B
Macrophages, Blood Protein Electrophoresis, Antioxidants, Cell Line, Lipoproteins, LDL, Biopterins, Phosphatidylcholines, Humans, Lipid Peroxidation, Oxidation-Reduction, Copper, Apolipoproteins B
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