What question did this study set out to answer?

The aim is to compare the specificities of selective uptake and transfer of cholesteryl esters by CETP in HDL.

Comparative acyl specificities for transfer and selective uptake of high density lipoprotein cholesteryl esters

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Comparative analysis of selective uptake and transfer of cholesteryl esters in various cell types, indicating different specificities.

The aim is to compare the specificities of selective uptake and transfer of cholesteryl esters by CETP in HDL.
Incorporated various cholesteryl esters into synthetic HDL particles alongside tracers.
Studied uptake in Y1-BS1 mouse adrenal cortical tumor cells, HepG2 hepatoma cells, and fibroblasts from multiple species.
Analyzed differences in uptake and transfer based on acyl chain length and unsaturation.
Selective uptake decreased with increased acyl chain length and increased with unsaturation of C18 chains.
CETP-mediated transfer increased with acyl chain length and decreased with unsaturation.
HDL-associated triglycerides were taken up at a lesser rate than cholesteryl esters.

Green et al. (1991) studied this question.

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