our results suggest that in hep g2 cells exogenously delivered ( ldl ) -cholesterol and endogenously synthesized cholesterol are primarily directed to the cholesteryl ester ( acat-substrate ) pool or , if present , to extracellular cholesterol acceptors ( heavy hdl ) rather than to the free cholesterol pool involved in ldl-receptor regulation .
C0008387
cholesteryl
C0008377
cholesterol