incubation of monolayers of cultured human fibroblasts with oxygenated sterols ( 25-hydroxycholesterol , 7-ketocholesterol , or 6-ketocholestanol ) markedly enhanced the rate at which the cells esterified their endogenous cholesterol and produced an increase in the cellular content of cholesterol esters .
C0008377
cholesterol
C0008387
cholesterol esters