The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
An inhibitor of acylCoA: cholesterol acyltransferase increases expression of ATP-binding cassette transporter A1 and thereby enhances the ApoA-I-mediated release of cholesterol from macrophages
Abstract
The effect of inhibition of acylCoA: cholesterol acyltransferase (ACAT) was studied on high density lipoprotein (HDL) metabolism. An inhibitor of ACAT, MCC-147, was given mouse peritoneal macrophages and expression of ATP-binding cassette transporter A1 (ABCA1) was examined. ABCA1 was increased both at the mRNA and protein levels, only when the cells are cholesterol-loaded and thereby the inhibitor decreased esterified cholesterol and increased unesterified cholesterol. In this condition, the ACAT inhibitor increased reversible binding of apoA-I to the cells and enhanced apoA-I-mediated release of cellular cholesterol and phospholipid, but did not influence nonspecific cellular cholesterol efflux to lipid microemulsion. It was therefore concluded that the ACAT inhibitor increased the release of cholesterol from the cholesterol-loaded macrophages by increasing the expression of ABCA1, putatively through shifting cholesterol distribution from the esterified to the free compartments.
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Inhibiting ACAT increases the free cholesterol pool and facilitates lipid secretion to extracellular apoE-containing lipoproteins.
“Thus, inhibiting ACAT increases the FC pool and facilitates lipid secretion to extracellular apoE-containing lipoproteins.”
From Inhibition of ACAT as a Therapeutic Target for Alzheimer's Disease Is Independent of ApoE4 Lipidation (2023) · cites this paper as [57]
The decrease in endothelial cell disruption and atherosclerotic plaque development was dependent on apoA1 as the plasma cholesterol acceptor.
“This decrease in endothelial cell disruption and atherosclerotic plaque development was dependent on apoA1 as the plasma cholesterol acceptor [57–63].”
From Inhibition of ACAT as a Therapeutic Target for Alzheimer's Disease Is Independent of ApoE4 Lipidation (2023) · cites this paper as [57]
Citations
Cites
Increased ABCA1 activity protects against atherosclerosis
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Valencia-Olvera, A. C., Balu, D., Faulk, N., Amiridis, A., Wang, Y., Pham, C., Avila-Munoz, E., York, J. M., Thatcher, G. R. J., & LaDu, M. J. (2023) · Neurotherapeutics · doi:10.1007/s13311-023-01375-3 · Cited by 22
Metadata
- Authors
- Sugimoto, K., Tsujita, M., Wu, C.-A., Suzuki, K., & Yokoyama, S.
- Venue
- Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids
- Publisher
- Elsevier BV
- Published
- 2004-02
- Volume
- 1636
- Issue
- 1
- Pages
- 69-76
- ISSN
- 1388-1981
- Cited by
- 24
- References
- 1
- Language
- en
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