期刊
CURRENT OPINION IN LIPIDOLOGY
卷 26, 期 1, 页码 42-47出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MOL.0000000000000139
关键词
dietary fat; diets; lipoprotein kinetics
资金
- Agriculture and Agri-Food Canada Dairy Cluster
- Dairy Famers of Canada
- Merck Canada
- Canadian Institutes for Health Research
- Amgen
- Sanofi
- Aegerion
- Kaneka Pharma America LLC
- Danone Institute
- Atrium Innovations
- Provigo/Loblaws
- Pfizer
- la Banque Royale du Canada
Purpose of review Few studies have reviewed the impact of dietary fat and dietary patterns on lipoprotein metabolism. This review intends to provide perspective on this topic, while focusing primarily on the studies that assessed intravascular lipoprotein kinetics in humans using isotope methodologies. Recent findings Data suggest that dietary saturated fatty acids slow the clearance of LDL apolipoprotein (apo) B-100 and of apoA-I from the circulation, whereas possibly increasing also apoA-I production. Dietary trans fats reduce the clearance of LDL apoB-100, whereas increasing the clearance of apoA-I. n = 3 polyunsaturated fatty acids (PUFAs) intake reduces the production of apoB-48-containing lipoproteins as well as of VLDL apoB-100 and increases their conversion into smaller lipoproteins. Medium-chain triglycerides appear to have no significant effect on lipoprotein kinetics. Finally, Mediterranean diet in the absence of weight loss reduces LDL cholesterol, primarily by enhancing its clearance from the circulation. Summary Kinetic studies with tracers allow a better appreciation of the impact of specific dietary factors on plasma lipid risk factors. However, additional studies are required to better document the effect of monounsaturated fatty acids, n = 6 PUFAs, and of whole diets on lipoprotein metabolism.
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