Design, synthesis and evaluation of 2-pyrimidinylindole derivatives as anti-obesity agents by regulating lipid metabolism.
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| Abstract |
Obesity, a global pandemic posing a growing threat to human health, necessitates the development of effective and safe anti-obesity agents. Our previous studies highlighted the lipid-lowering effects of indolylquinazoline Bouchardatine and its derivatives. In this study, we employed scaffold hopping and simplification strategies to design and synthesize two new series derivatives by modifying the D ring. Extensive discussions have been conducted regarding the structure-activity relationship between lipid-lowering activity and the new compounds. These discussions have resulted in the discovery of 2-pyrimidinylindole derivatives as a promising scaffold for anti-obesity treatment. The new 2-pyrimidinylindole derivatives exhibited comparable lipid-lowering activity to the previously reported indolylquinazoline derivatives, including SYSU-3d and R17, with reduced toxicity. The most potent compound, 5a, demonstrated a larger therapeutic index, improved aqueous solubility and oral bioavailability compared to the previous lead compounds. In vivo evaluation indicated that 5a effectively reduced lipid accumulation in adipose tissue, improved glucose tolerance, and mitigated insulin resistance and liver function damage caused by a high-fat and high-cholesterol diet. Mechanism studies indicated that 5a may regulate lipid metabolism through the modulation of the PPARĪ³ signaling pathway. Overall, our study has identified a highly active compound 5a, and provided the basis for further development of 2-pyrimidinylindole as a promising scaffold for obesity treatment.
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| Authors | Shi-Yao Guo, Li-Yuan Wei, Bing-Bing Song, Yu-Tao Hu, Zhi Jiang, Dan-Dan Zhao, Yao-Hao Xu, Yu-Wei Lin, Shu-Min Xu, Shuo-Bin Chen, Zhi-Shu Huang |
| Journal | European journal of medicinal chemistry (Eur J Med Chem) Vol. 260 Pg. 115729 (Nov 15 2023) ISSN: 1768-3254 [Electronic] France |
| PMID | 37607439 (Publication Type: Journal Article) |
| Copyright | Copyright © 2023 Elsevier Masson SAS. All rights reserved. |
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