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描述 | Cholesteryl ester transfer protein (CETP) promotes the transfer of cholesteryl esters from high-density lipoprotein (HDL) to very low-density lipoprotein and low-density lipoprotein (LDL). Therefore, CETP inhibition raises high-density lipoprotein cholesterol (HDL-C) levels and decreases LDL-C levels[7]. Dalcetrapib is a CETP inhibitor with IC50 of 0.2 μM that increases the plasma HDL cholesterol[8]. Dalcetrapib induces a conformational change in CETP, when added to human plasma. CETP-induced pre-β-HDL formation in human plasma is unchanged by dalcetrapib ≤3 μM and increased at 10 μM. Dalcetrapib statistically and significantly increases pre-β-HDL formation[8]. Dalcetrapib achieves 50% inhibition of CETP activity in human plasma at a concentration of 9 μM[9]. Dalcetrapib inhibits the CETP activity of media in HepG2 in a dose-dependent manner[10]. Treatment with Dalcetrapib leads to significant increases in HDL-C levels. In hamsters injected with [3H]cholesterol-labeled autologous macrophages. dalcetrapib significantly increases fecal elimination of both [3H]neutral sterols and [3H]bile acids. Dalcetrapib increases plasma HDL-[3H]cholesterol[8]. Dalcetrapib increases the plasma HDL cholesterol level by 27% and 54%, respectively, when given at oral doses of 30 mg/kg or 100 mg/kg once a day for 3 days to male Japanese white rabbits[9]. |
实验方案 | |||
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1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
2.57mL 0.51mL 0.26mL |
12.83mL 2.57mL 1.28mL |
25.67mL 5.13mL 2.57mL |
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