Title : Lipoprotein lipase hydrolysis of retinyl ester. Possible implications for retinoid uptake by cells.

Pub. Date : 1994 Jun 17

PMID : 8206972






4 Functional Relationships(s)
Download
Sentence
Compound Name
Protein Name
Organism
1 Because lipoprotein lipase (LPL) increases the uptake of lipoproteins and lipid emulsion particles by many cell types including adipocytes, we investigated whether LPL also increases retinoid uptake by adipocytes from lipid-containing particles. Retinoids lipoprotein lipase Oryctolagus cuniculus
2 Addition of LPL (10 micrograms/ml) to BFC-1 beta adipocytes produced a 2-fold increase in cellular uptake of [3H]retinoid from a lipid emulsion containing [3H]retinyl ester. Retinoids lipoprotein lipase Oryctolagus cuniculus
3 Heparin, which displaces LPL from binding sites on cell surface proteoglycans, increased [3H]retinoid uptake by an additional 2-fold. Retinoids lipoprotein lipase Oryctolagus cuniculus
4 Thus, LPL is able to catalyze the hydrolysis of retinyl esters and, through the process of hydrolysis, may facilitate uptake of retinoid by adipocytes. Retinoids lipoprotein lipase Oryctolagus cuniculus