期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 71, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2022.116936
关键词
Indole alkaloids; Marine natural products; Phidianidines; Anti-inflammatory activities; Molecular docking
资金
- National Key Research and Development Program of China [2021YFF0502400]
- National Natural Science Foundation of China [81991521, 82022069, 81973512, 82174010, 42076099]
- Open Fund of the State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University [KF-202206]
- Shanghai Rising-Star Program [20QA1411100]
- Youth Innovation Promotion Association of CAS [Y202065]
- SKLDR/SIMM Project [SIMM2103ZZ-06]
In this study, a series of phidianidine derivatives were designed and synthesized. Compound 9a and 22c showed excellent anti-inflammatory activity by inhibiting the production of IL-17A, indicating their potential as drug candidates for T cell-mediated diseases.
Phidianidines A and B are novel marine indole alkaloids with various biological activities. Based on their po-tential anti-inflammatory properties, a series of phidianidine derivatives were designed, synthesized, and tested for their effects on IL-17A production in PMA/ionomycin-stimulated T-cell-lymphoma EL-4 cells. Compounds 9a and 22c exhibited excellent anti-inflammatory activity and low toxicity, with IC50 values of 7.7 mu M and 5.3 mu M for IL-17A production in PMA/ionomycin-stimulated EL-4 cells, respectively. Further mechanistic study showed that 9a could decrease the STAT3 phosphorylation at Y705 to inhibit IL-17A production in EL-4 cells, indicating its ability of preventing the differentiation of Th17 cells and their possible function. This research may give an insight for the discovery of marine indole alkaloid derived anti-inflammatory drug leads for the treatment of T cell-mediated diseases.
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