Abstract:
:Peroxisome proliferator-activated receptors (PPARs) are ligand-activated transcription factors that govern lipid and glucose homeostasis playing a central role in cardiovascular diseases, obesity, and diabetes. Medications targeted to PPARs have been established to treat hyperlipidemia (fibrates) and insulin resistance (glitazones). Thus, there is significant interest in developing new and specific ligands for these receptors. Here, we present the results of the screening of new ligands of PPARalpha and PPARgamma. Optical isomers of new chiral fibrates were synthesized and tested in cell-based assays. Compound (S)-7 showed a dual PPARalpha/gamma activity, and its stereochemistry was crucial in receptor activation. Protease protection experiments suggested that this compound binds directly to PPAR. Moreover, computational studies showed that it properly docks to PPARalpha and gamma ligand binding pockets. Interestingly, (S)-7 exhibited only a modest capacity to induce the differentiation of murine fibroblasts 3T3-L1 into adipocytes compared to rosiglitazone, a well-known PPARgamma agonist.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Pinelli A,Godio C,Laghezza A,Mitro N,Fracchiolla G,Tortorella V,Lavecchia A,Novellino E,Fruchart JC,Staels B,Crestani M,Loiodice Fdoi
10.1021/jm0502844keywords:
subject
Has Abstractpub_date
2005-08-25 00:00:00pages
5509-19issue
17eissn
0022-2623issn
1520-4804journal_volume
48pub_type
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