Effect of Glycemic Optimization on Electronegative Low-Density Lipoprotein in Diabetes: Relation to Nonenzymatic Glycosylation and Oxidative Modification

2001 ◽  
Vol 86 (7) ◽  
pp. 3243-3249 ◽  
Author(s):  
J. L. Sanchez-Quesada
Keyword(s):  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Oxidative Modification ◽  
Low Density ◽  
Nonenzymatic Glycosylation

Oxidative modification of triacylglycerol-rich lipoproteins

2003 ◽  
Vol 31 (5) ◽  
pp. 1062-1065 ◽  
Author(s):  
I.S. Young ◽  
C. McFarlane ◽  
J. McEneny
Keyword(s):  
Particle Size ◽  
Fatty Acid Composition ◽  
Arterial Wall ◽  
Low Density Lipoprotein ◽  
Density Lipoprotein ◽  
Oxidative Modification ◽  
Low Density ◽  
Lipoprotein Oxidation ◽  
Oxidative Reactions ◽  
Mediated Oxidation

Lipoprotein oxidation is thought to play a pivotal role in the evolution of atherosclerosis. Low-density lipoprotein (LDL) is the main source of oxidized lipid in the arterial wall. Oxidation of LDL alters its properties in a number of ways, making it more atherogenic, but oxidation of other lipoprotein classes may also be important. Common mechanisms are likely to contribute to the oxidation of all lipoprotein classes, with enzyme-mediated oxidation likely to be most important. Antioxidant content, fatty acid composition, particle size and the presence of seeding hydroperoxides also influence oxidative reactions. Larger triglyceride-rich lipoproteins are less likely to enter the arterial wall than LDL, but when oxidized will deliver a greater oxidant load to the arterial wall.

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