New Prenylated Indole Homodimeric and Pteridine Alkaloids from the Marine-Derived Fungus Y32-2
Overview
Pharmacology
Affiliations
Chemical investigation of secondary metabolites from the marine-derived fungus Y32-2 resulted in the isolation of two new prenylated indole alkaloid homodimers, di-6-hydroxydeoxybrevianamide E () and dinotoamide J (), one new pteridine alkaloid asperpteridinate A (), with eleven known compounds (-). Their structures were elucidated by various spectroscopic methods including HRESIMS and NMR, while their absolute configurations were determined by ECD calculations. Each compound was evaluated for pro-angiogenic, anti-inflammatory effects in zebrafish models and cytotoxicity for HepG2 human liver carcinoma cells. As a result, compounds , , , , exhibited pro-angiogenic activity in a PTK787-induced vascular injury zebrafish model in a dose-dependent manner, compounds , , , displayed anti-inflammatory activity in a CuSO-induced zebrafish inflammation model, and compound showed significant cytotoxicity against HepG2 cells with an IC value of 30 µg/mL.
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