Eur J Med Chem
State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Science, Peking University, Beijing, 100191, PR China. Electronic address:
Published: January 2020
Panaxatriol (PT) is a natural product derived from ginseng that possesses cardioprotective effects in isolated rat hearts. To develop more potent therapeutic agents against myocardial ischemia/reperfusion (MI/R) injury from natural products, a novel series of heterocycle ring-fused panaxatriol derivatives were designed and synthesized. In vitro results showed that approximately half of them exhibited increased cytoprotective activity compared with PT in a cardiomyocyte model of oxygen-glucose deprivation and reperfusion (OGD/R) injury. Furthermore, the in vitro activity of the representative derivative, compound 18, was also confirmed in a rat model of MI/R injury. In vivo results showed that 18 can markedly reduce myocardial infarction size, decrease circulating cardiac troponin I (cTnI) leakage, and alleviate cardiac tissue damage in the rats. Therefore, these findings provide the basis for further development of novel anti-MI/R injury agents.
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http://dx.doi.org/10.1016/j.ejmech.2019.111729 | DOI Listing |
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