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|Title:||Identification of dual PPARα/γ agonists and their effects on lipid metabolism|
|Citation:||Bioorganic and Medicinal Chemistry, 2015; 23(24):7676-7684|
|Quanqing Gao, Jacky Hanh, Linda Váradi, Rose Cairns, Helena Sjöström ... Jennifer Ai Ong ... et al.|
|Abstract:||The three peroxisome proliferator-activated receptor (PPAR) isoforms; PPARα, PPARγ and PPARδ, play central roles in lipid metabolism and glucose homeostasis. Dual PPARα/γ agonists, which stimulate both PPARα and PPARγ isoforms to similar extents, are gaining popularity as it is believed that they are able to ameliorate the unwanted side effects of selective PPARα and PPARγ agonists; and may also be used to treat dyslipidemia and type 2 diabetes mellitus simultaneously. In this study, virtual screening of natural product libraries, using both structure-based and ligand-based drug discovery approaches, identified ten potential dual PPARα/γ agonist lead compounds (9-13 and 16-20). In vitro assays confirmed these compounds to show no statistically significant toxicity to cells, with the exception of compound 12 which inhibited cell growth to 74.5%±3.5 and 54.1%±3.7 at 50μM and 100μM, respectively. In support of their potential as dual PPARα/γ agonists, all ten compounds upregulated the expression of cholesterol transporters ABCA1 and ABCG1 in THP-1 macrophages, with indoline derivative 16 producing the greatest elevation (2.3-fold; 3.3-fold, respectively). Furthermore, comparable to the activity of established PPARα and PPARγ agonists, compound 16 stimulated triacylglycerol accumulation during 3T3-L1 adipocyte differentiation as well as fatty acid β-oxidation in HuH7 hepatocytes.|
|Keywords:||Type 2 diabetes; dyslipidemia; cholesterol and fatty acid metabolism; Pan PPAR agonists; virtual screening|
|Rights:||© 2015 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||Medicine publications|
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