Polypharmacology of N6-(3-Iodobenzyl)adenosine-5′-N-methyluronamide (IB-MECA) and Related A3 Adenosine Receptor Ligands: Peroxisome Proliferator Activated Receptor (PPAR) γ Partial Agonist and PPARδ Antagonist Activity Suggests Their Antidiabetic Potential

Jinha Yu, Seyeon Ahn, Hee Jin Kim, Moonyoung Lee, Sungjin Ahn, Jungmin Kim, Sun Hee Jin, Eunyoung Lee, Gyudong Kim, Jae Hoon Cheong, Kenneth A. Jacobson, Lak Shin Jeong, Minsoo Noh

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22 Scopus citations

Abstract

A3 adenosine receptor (AR) ligands including A3 AR agonist, N6-(3-iodobenzyl)adenosine-5′-N-methyluronamide (1a, IB-MECA) were examined for adiponectin production in human bone marrow mesenchymal stem cells (hBM-MSCs). In this model, 1a significantly increased adiponectin production, which is associated with improved insulin sensitivity. However, A3 AR antagonists also promoted adiponectin production in hBM-MSCs, indicating that the A3 AR pathway may not be directly involved in the adiponectin promoting activity. In a target deconvolution study, their adiponectin-promoting activity was significantly correlated to their binding activity to both peroxisome proliferator activated receptor (PPAR) γ and PPARδ. They functioned as both PPARγ partial agonists and PPARδ antagonists. In the diabetic mouse model, 1a and its structural analogues A3 AR antagonists significantly decreased the serum levels of glucose and triglyceride, supporting their antidiabetic potential. These findings indicate that the polypharmacophore of these compounds may provide therapeutic insight into their multipotent efficacy against various human diseases.

Original languageEnglish
Pages (from-to)7459-7475
Number of pages17
JournalJournal of Medicinal Chemistry
Volume60
Issue number17
DOIs
StatePublished - 14 Sep 2017

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