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Synthesis and biological evaluation of dihydropyrano-[2,3-c]pyrazoles as a new class of PPAR? partial agonists.

ABSTRACT: Peroxisome proliferator-activated receptor ? (PPAR?) is a well-known target for thiazolidinedione antidiabetic drugs. In this paper, we present the synthesis and biological evaluation of a series of dihydropyrano[2,3-c]pyrazole derivatives as a novel family of PPAR? partial agonists. Two analogues were found to display high affinity for PPAR? with potencies in the micro molar range. Both of these hits were selective against PPAR?, since no activity was measured when tested against PPAR?, PPAR? and RXR?. In addition, a novel modelling approach based on multiple individual flexible alignments was developed for the identification of ligand binding interactions in PPAR?. In combination with cell-based transactivation experiments, the flexible alignment model provides an excellent analytical tool to evaluate and visualize the effect of ligand chemical structure with respect to receptor binding mode and biological activity.

SUBMITTER: Qvortrup K 

PROVIDER: S-EPMC5330453 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Synthesis and biological evaluation of dihydropyrano-[2,3-c]pyrazoles as a new class of PPARγ partial agonists.

Qvortrup Katrine K   Jensen Jakob F JF   Sørensen Mikael S MS   Kouskoumvekaki Irene I   Petersen Rasmus K RK   Taboureau Olivier O   Kristiansen Karsten K   Nielsen Thomas E TE  

PloS one 20170228 2

Peroxisome proliferator-activated receptor γ (PPARγ) is a well-known target for thiazolidinedione antidiabetic drugs. In this paper, we present the synthesis and biological evaluation of a series of dihydropyrano[2,3-c]pyrazole derivatives as a novel family of PPARγ partial agonists. Two analogues were found to display high affinity for PPARγ with potencies in the micro molar range. Both of these hits were selective against PPARγ, since no activity was measured when tested against PPARα, PPARδ a  ...[more]

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