Cited by 331Fatty Acid Research and HealthLipid metabolism and disordersLipid metabolism and biosynthesis

Dietary polyunsaturated fats of the W-6 and W-3 series reduce postprandial lipoprotein levels. Chronic and acute effects of fat saturation on postprandial lipoprotein metabolism.

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Weintraub, M S, Zechner, R, Brown, A, Eisenberg, S, Breslow, J L·1988·Journal of Clinical Investigation

Abstract

The chronic and acute effects of different types of dietary fat on postprandial lipoprotein metabolism were studied in eight normolipidemic subjects. Each person was placed for 25 d on each of three isocaloric diets: a saturated fat (SFA), a w-6 polyunsaturated fat (w-6 PUFA) and a w-3 polyunsaturated fat (w-3 PUFA) diet. Two vitamin A-fat loading tests were done on each diet. The concentrations in total plasma and chylomicron (Sf greater than 1,000) and nonchylomicron (Sf less than 1,000) fractions of retinyl palmitate (RP) were measured for 12 h postprandially. Compared with the SFA diet, the w-6 PUFA diet reduced chylomicron and nonchylomicron RP levels 56 and 38%, respectively, and the w-3 PUFA diet reduced these levels 67 and 53%, respectively. On further analysis, the main determinant of postprandial lipoprotein levels was the type of fat that was chronically fed, which appeared to mediate its effect by changing the concentration of the endogenous competitor for the system that catabolizes triglyeride-rich lipoproteins. However, there was a significant effect of the acute dietary fat load, which appeared to be due to a differential susceptibility to lipolysis of chylomicrons produced by SFA as opposed to PUFA fat loads. The levels of postprandial lipoproteins are determined by the interaction of these chronic and acute effects.

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  1. Harris, W. S., and W. E. Connor. 1980. The effect ofsalmon oil upon plasma lipid, lipoprotein and triglyceride clearance. Trans. Assoc. Am. Phys. 43:148-155.
  2. Schoefe, G. I., and J. E. French. 1968. Vascular permeability to paticulate fate: morphological observation on levels of lactating mam- mary gland and of lung. Proc. R. Soc. Lond. B Biol. 169:153-165.
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  4. Lindgren, F. T., L. C. Jensen, and F. T. Hatch. 1972. The isolation and quantitative analysis of serum lipoproteins in blood lipids and lipoproteins. In Quantitation, Composition, and Metabo- lism. G. S. Nelson, editor. Wiley Interscience, New York. 181-274.
  5. W. H. Kunan, and R. T. Holman, editors. Chapter 8. American Oil Chemists Society, Champaign, IL. 139-161.

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Authors
Weintraub, M. S., Zechner, R., Brown, A., Eisenberg, S., & Breslow, J. L.
Affiliations
  • Rockefeller University (US)
  • Hadassah Medical Center (IL)
Venue
Journal of Clinical Investigation
Published
1988-12-01
Volume
82
Issue
6
Pages
1884-1893
ISSN
0021-9738 (ISSN-L)
OpenAlex
W1974647064
Cited by
331
References
72
Citations by year
2026: 1 · 2024: 2 · 2023: 3 · 2022: 3 · 2021: 2 · 2020: 4 · 2019: 3 · 2018: 5 · 2017: 4 · 2016: 4 · 2015: 6 · 2014: 9 · 2013: 6 · 2012: 6
FWCI
8.92
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Pew Charitable Trusts
  • American Heart Association
  • National Institutes of Health
  • National Institute on Aging (AG 04727)
  • National Heart, Lung, and Blood Institute (HL 33714, HL32435)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
dietary polyunsaturated fatty acids, omega-6 fatty acids, omega-3 fatty acids, saturated fat, postprandial lipoprotein metabolism, chylomicrons, retinyl palmitate, triglyceride-rich lipoproteins, lipolysis
MeSH terms
Retinyl Esters, Adult, Chylomicrons, Dietary Fats, Diterpenes, Fatty Acids, Unsaturated, Glycated Hemoglobin, Humans, Insulin, Lipase, Lipolysis, Lipoproteins, Male, Platelet Count, Reference Values, Vitamin A

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