Title |
Two Thiophenes Compounds Are Partial Peroxisome Proliferator-Activated Receptor α/γ Dual Agonists
|
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Published in |
Biological and Pharmaceutical Bulletin, January 2011
|
DOI | 10.1248/bpb.34.1631 |
Pubmed ID | |
Authors |
Zhihui Zheng, Yi Yang, Huayi Shao, Zongying Liu, Xinhua Lu, Yanni Xu, Xiaobo He, Wei Jiang, Qin Jiang, Baohua Zhao, Hua Zhang, Zhuorong Li, Shuyi Si |
Abstract |
In our previous study, two synthetic thiophenes such as IMB-05 and IMB-15 were found as peroxisome proliferator-activated receptor gamma (PPARγ) agonists and exhibited beneficial effects on glucose tolerance of diabetic mice in vivo. In the present study, their effect on the transactivity of other nuclear receptors was further investigated. IMB-05 and IMB-15 could not only activated PPARγ but also efficiently activate PPARα in GAL4-hPPARα/γ (ligand binding domain (LBD)) chimeric receptor assay and PPAR response element (PPRE)-luc reporter gene assay with EC(50) values of 1.8-5.2 µM, whereas no activity was observed in other nuclear receptor assays. In addition, the maximal efficacy of IMB-05 and IMB-15 in activating PPARα/γ was approximately 30% of that observed with Wy14643 and rosiglitazone. These data indicate that the two thiophene derivatives are novel class of partial PPARα/γ dual agonists, which may be the mechanism underlying their regulatory effects on glucose homeostasis. |
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