Journal
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
Volume 263, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2023.115949
Keywords
Inflammation; Inhibitor; Pterostilbene derivatives; IBD
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In this study, a series of novel anti-inflammatory compounds were designed and synthesized based on the natural product pterostilbene skeleton. Among them, compound 8 showed the highest activity and exhibited its effects through inhibition of pro-inflammatory cytokines by blocking the NF-KB/MAPK signaling pathway. Compound 8 also demonstrated a good relieving effect on acute colitis in mice and showed good safety in acute toxicity experiments.
In this study, a series of novel anti-inflammatory compounds with high activity and low toxicity were designed and synthesized based on the natural product pterostilbene skeleton. According to the strategy of pharmacophore combination, we introduced thiazole moiety into pterostilbene skeleton to design and synthesize a novel series of pterostilbene derivatives (a total of 41 compounds), and lipopolysaccharide (LPS)-treated RAW 264.7 cells were screened for anti-inflammatory activity and cytotoxicity. Among them, compound 8 was found to be the most active (against NO: IC50 = 0.6 mu M) compared with pterostilbene and indomethacin. Anti-inflammatory mechanism studies revealed that compound 8 inhibited pro-inflammatory cytokines by blocking the NF-KB/MAPK signaling pathway in LPS-treated RAW 264.7 cells. In vivo experiments showed that compound 8 had a good relieving effect on DSS-induced acute colitis in mice, and also demonstrated a good safety in acute toxicity experiments. In conclusion, compound 8 may be a promising anti-inflammatory lead compound in the treatment of acute colitis.
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