Document Detail

Effects of diets containing tallow and soybean oil with and without cholesterol on hepatic metabolism of lipids and lipoproteins in the preruminant calf.
MedLine Citation:
PMID:  8923254     Owner:  NLM     Status:  MEDLINE    
The effects of long-chain fatty acids (230 g/kg of dietary DM) from tallow and from soybean oil, with or without cholesterol (10 g/kg of dietary DM), on hepatic lipid contents and on in vivo hepatic production rates of lipids and lipoproteins were investigated in 22 preruminant male calves fitted with chronic catheters and with electromagnetic blood flow probes implanted in the hepatic vessels. Diets containing soybean oil and soybean oil with cholesterol led to the development of triglyceride infiltration in the liver and to higher apparent hepatic secretion of very low density lipoproteins than did diets containing tallow or tallow with cholesterol. Addition of cholesterol to diets favored accumulation of low density lipoproteins in plasma and the net apparent secretion of these particles by the liver, especially for the diet containing soybean oil with cholesterol. Regardless of the diet, calf liver clearly removed large high density lipoproteins of type 1 that were rich in cholesteryl esters but secreted heavy high density lipoproteins that were rich in proteins. The intensity of removal of high density lipoproteins of type 1 by the liver depended on the plasma concentration of these particles, probably by mass action. This removal did not prevent the accumulation of high density lipoproteins of type 1 in plasma, such as it did in calves fed soybean oil.
L Leplaix-Charlat; D Durand; D Bauchart
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of dairy science     Volume:  79     ISSN:  0022-0302     ISO Abbreviation:  J. Dairy Sci.     Publication Date:  1996 Oct 
Date Detail:
Created Date:  1997-04-08     Completed Date:  1997-04-08     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  2985126R     Medline TA:  J Dairy Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1826-35     Citation Subset:  IM    
Unité de Recherches Métabolismes Energétique et Lipidique, Laboratoire Croissance et Métabolismes des Herbivores, Institut National de la Recherche Agronomique, Centre de Recherches de Clermont-Ferrand-Theix, Champanelle, France.
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MeSH Terms
Apolipoprotein A-I / metabolism
Apolipoproteins B / metabolism
Cattle / metabolism*
Cholesterol, Dietary / administration & dosage*
Dietary Fats / administration & dosage,  pharmacology
Fatty Acids, Nonesterified / blood
Lipid Metabolism*
Lipoproteins / metabolism
Lipoproteins, HDL / metabolism
Lipoproteins, IDL
Lipoproteins, LDL / metabolism
Lipoproteins, VLDL / metabolism
Liver / metabolism*
Soybean Oil / administration & dosage*
Reg. No./Substance:
0/Apolipoprotein A-I; 0/Apolipoproteins B; 0/Cholesterol, Dietary; 0/Dietary Fats; 0/Fats; 0/Fatty Acids, Nonesterified; 0/Lipoproteins; 0/Lipoproteins, HDL; 0/Lipoproteins, IDL; 0/Lipoproteins, LDL; 0/Lipoproteins, VLDL; 61789-97-7/tallow; 8001-22-7/Soybean Oil

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