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Synthesis and Biological Activity of Piperine Derivatives as Potential PPAR? Agonists.


ABSTRACT: Introduction:Peroxisome proliferator-activated receptor ? (PPAR?) plays a key role in glucose, which is a ligand-mediated transcription factor. The lipid homeostasis often serves as a pharmacological target for new drug discovery and development. Materials and Methods:In the research, we synthesized a series of piperine derivatives and then used a fluorescence polarization-based PPAR? ligand screening assay to evaluate the agonistic activity of PPAR?. Then, we cultured human normal hepatocytes, which were treated with 100?M compounds 2a, 2t or 3d. Then, the levels of PPAR? gene were determined so as to show whether the compounds could activate or inhibit the expression of PPAR?. Results:A total of 30 piperine derivatives were synthesized and evaluated. Compound 2a was identified as a potential PPAR? agonist with IC50 at 2.43 ?M, which is 2 times more potent than the positive control rosiglitazone with IC50 at 5.61?M. The human hepatocytes cells were cultured and treated with compounds 2a, 2t or 3d as described in the "Materials and Methods" section. We found that compounds 2a, 2t and 3d could activate PPAR? by 11.8, 1.9 and 7.0 times compared with the "blank", with compound 2a activation being the most significant. Molecular docking studies indicated that the piperine derivative 2a stably interacts with the amino acid residues of the PPAR? complex active site, which is consistent with the results of the in vitro PPAR? ligand screening assay.

SUBMITTER: Wang Y 

PROVIDER: S-EPMC7266110 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Synthesis and Biological Activity of Piperine Derivatives as Potential <i>PPARγ</i> Agonists.

Wang Yanli Y   Wang Yanli Y   Yao Yuan Y   Liu Jing J   Wu Lili L   Liu Tonghua T   Cui Jian J   Lee David Yue-Wei DY  

Drug design, development and therapy 20200526


<h4>Introduction</h4>Peroxisome proliferator-activated receptor <i>γ</i> (<i>PPARγ</i>) plays a key role in glucose, which is a ligand-mediated transcription factor. The lipid homeostasis often serves as a pharmacological target for new drug discovery and development.<h4>Materials and methods</h4>In the research, we synthesized a series of piperine derivatives and then used a fluorescence polarization-based <i>PPARγ</i> ligand screening assay to evaluate the agonistic activity of <i>PPARγ</i>. T  ...[more]

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