Disturbances in dietary fat metabolism and their role in the development of atherosclerosis

Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie
M WeintraubI Grosskopf

Abstract

It was suggested that postprandial lipoproteins (PPLp) may play an important role in atherogenesis. To examine this hypothesis, we studied PPLp metabolism in normolipidemic individuals and hyperlipoproteinemic (HLP) patients on various diets, physical activity programs and hypolipidemic drugs as well as in patients with coronary artery disease (CAD). We used the vitamin A-fat loading test, which labels intestinally derived lipoproteins with retinyl palmitate. Type IV HLP patients demonstrated a severe defect in chylomicron clearance. Type III HLP patients showed severely disordered clearance of chylomicron remnants. Compared to the saturated fatty acid enriched diet, the omega 6 polyunsaturated acid enriched diet reduced chylomicrons and their remnant levels by 56% and 38%, respectively. The diet enriched in omega 3 polyunsaturated acid decreased chylomicrons and their remnant levels by 67% and 53%, respectively. Physical conditioning reduced chylomicron levels by 37%. Gemfibrozil decreased chylomicron levels in type IV HLP patients. Cholestyramine increased chylomicron levels by 88%. Bezafibrate reduced chylomicrons and their remnants levels and increased fasting HDL-C in patients with isolated low HDL-C levels. Continuous pro...Continue Reading

Citations

May 28, 2005·Prostaglandins, Leukotrienes, and Essential Fatty Acids·Asim K Duttaroy
Feb 4, 2003·Journal of Lipid Research·Yongsoon Park, William S Harris
Jun 16, 2001·Obesity Research·R GuercioliniR Moore
Oct 28, 2010·Nutrition Research Reviews·Niloofar Hariri, Louise Thibault
Aug 15, 2019·Nutrition Research Reviews·Grainne ScanlonDaniel McCartney
Mar 5, 2016·The Journal of Nutrition·Dieuwerke P BolhuisRussell Sj Keast
Nov 30, 2000·American Journal of Physiology. Endocrinology and Metabolism·Y ParkJ M Miles

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