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Medium- and long-chain triglyceride propofol reduces the activity of acetyl-coenzyme A carboxylase in hepatic lipid metabolism in HepG2 and Huh7 cells

  • Wang, Li-yuan (Center for Anesthesiology, Beijing Anzhen Hospital, Capital Medical University) ;
  • Wu, Jing (North China University of Science and Technology) ;
  • Gao, Ya-fen (Center for Anesthesiology, Beijing Anzhen Hospital, Capital Medical University) ;
  • Lin, Duo-mao (Center for Anesthesiology, Beijing Anzhen Hospital, Capital Medical University) ;
  • Ma, Jun (Center for Anesthesiology, Beijing Anzhen Hospital, Capital Medical University)
  • Received : 2019.05.23
  • Accepted : 2019.09.02
  • Published : 2020.01.01

Abstract

Medium- and long-chain triglyceride (MCT/LCT) propofol is widely used as an intravenous anesthetic, especially in the intensive care unit. The present study aimed to assess whether MCT/LCT propofol is safe in the hyperlipidemic population for long-term use. Free fatty acids (FFAs) were used to establish high-fat stimulation of HepG2 and Huh7 cells. Subsequently, these cells were treated with propofol at the concentration of 0, 4, or 8 ㎍/ml for 24 and 48 h. The results indicated that the cell viability was notably decreased when the cells were stimulated with 2 mmol/L FFAs and treated with 12 ㎍/ml MCT/LCT propofol. Accordingly, we chose 2 mmol/L FFAs along with 4 and 8 ㎍/ml MCT/LCT propofol for the subsequent experiments. Four and 8 ㎍/ml MCT/LCT propofol inhibited FFA-induced lipid accumulation in the cells and significantly reversed acetyl coenzyme A carboxylase (ACC) activity. In addition, MCT/LCT propofol not only significantly promoted the phosphorylation of AMPK and ACC, but also reversed the FFA-induced decreased phosphorylation of AMPK and ACC. In conclusion, MCT/LCT propofol reverses the negative effects caused by FFAs in HepG2 and Huh7 cells, indicating that MCT/LCT propofol might positively regulate lipid metabolism.

Keywords

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