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Regulation of very-low-density lipoprotein secretion by minor components of oleic-acid rich oils

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dc.creator Perona, Javier S.
dc.creator Avella, Michael
dc.creator Botham, K. M.
dc.creator Ruiz-Gutiérrez, Valentina
dc.date 2008-01-22T16:37:34Z
dc.date 2008-01-22T16:37:34Z
dc.date 2008-01-22T16:37:34Z
dc.date.accessioned 2017-01-31T00:59:45Z
dc.date.available 2017-01-31T00:59:45Z
dc.identifier http://hdl.handle.net/10261/2729
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/2729
dc.description Minor components from dietary oils can modulate the atherogenic response of the TAG-rich lipoproteins (TRL) in which they are transported. In the present study we investigated the influence of TRL isolated from man after the intake of oleic acid-rich oils with different minor component compositions on VLDL secretion by rat primary hepatocytes. TRL were isolated from nine men after the intake of meals enriched with high-oleic sunflower oil (HOSO) or virgin olive oil (VOO) or VOO enriched with minor components (EVO). TRL were incubated with rat primary hepatocytes and the lipid accumulation was analysed in the cells and the secreted VLDL. The expression of genes for proteins related to hepatic lipid metabolism and VLDL production was also measured. Incubation of hepatocytes with TRL derived from HOSO as compared to VOO led to lower intracellular lipid accumulation and VLDL production despite higher mRNA expression for diacylglycerol-acyltransferase, microsomal TAG transfer protein, apoB and PPARa. When TRL derived from EVO were used there were no changes in VLDL secretion. These results suggest that incorporation of minor components from dietary high-oleic oils into TRL modulates the effect of these atherogenic particles on VLDL secretion.
dc.description Peer reviewed
dc.format 203366 bytes
dc.format application/pdf
dc.language eng
dc.relation British Journal of Nutrition
dc.relation 99 (2008) 29-36
dc.rights openAccess
dc.title Regulation of very-low-density lipoprotein secretion by minor components of oleic-acid rich oils
dc.type Artículo


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