期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 182, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2019.111654
关键词
Neuroprotective activity; NMDA; Ca2+ influx; NR2B-NMDA receptor; Behavioral tests
资金
- National Natural Science Foundation of China [21977074]
- Fund for Career Development Support Plan for Young and Middle Aged Teachers in Shenyang Pharmaceutical University [ZQJN2015024]
A series of 1-benzyl-5-oxopyrrolidine-2-carboximidamide derivatives were designed and synthesized. Their protective activities against N-methyl-D-aspartic acid (NMDA)-induced cytotoxicity were investigated in vitro. All of the compounds exhibited neuroprotective activities, especially 12k, which showed higher potency than reference compound 1 (ifenprodil). Further investigation showed that 12k could attenuate Ca2+ influx and suppress the NR2B upregulation induced by NMDA. The docking results indicated that 12k could fit well into binding site of 1 in the NR2B-NMDA receptor. Additionally, 12k exhibited excellent metabolic stability. Furthermore, the results of behavioral tests showed that compound 12k could significantly improve learning and memory in vivo. These results suggested that 12k is a promising neuroprotective drug candidate and that the NR2B-NMDA receptor is a potential target of 12k. (C) 2019 Elsevier Masson SAS. All rights reserved.
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