Abstract
In this study, we confirmed that ursolic acid, a plant triterpenoid, activates peroxisome proliferator-activated receptor (PPAR)-α in vitro. Surface plasmon resonance and time-resolved fluorescence resonance energy transfer analyses do not show direct binding of ursolic acid to the ligand-binding domain of PPAR-α; however, ursolic acid enhances the binding of PPAR-α to the peroxisome proliferator response element in PPAR-α-responsive genes, alters the expression of key genes in lipid metabolism, significantly reducing intracellular triglyceride and cholesterol concentrations in hepatocytes. Thus, ursolic acid is a PPAR-α agonist that regulates the expression of lipid metabolism genes, but it is not a direct ligand of PPAR-α.
Original language | English |
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Pages (from-to) | 5876-5880 |
Number of pages | 5 |
Journal | Bioorganic and Medicinal Chemistry Letters |
Volume | 21 |
Issue number | 19 |
DOIs | |
Publication status | Published - 2011 Oct 1 |
Keywords
- Agonist
- Hepatocyte
- Lipid metabolism
- PPAR-α
- Ursolic acid
ASJC Scopus subject areas
- Biochemistry
- Molecular Medicine
- Molecular Biology
- Pharmaceutical Science
- Drug Discovery
- Clinical Biochemistry
- Organic Chemistry