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New lanostane-type triterpenoids with proangiogenic activity from the fruiting body of Ganoderma applanatum
Chunjiao Jiang1, Jiancheng Ji1, Peihai Li2
1Shandong Provincial Key Laboratory of Applied Mycology, College of Life Sciences, Qingdao Agricultural University, Qingdao, China.
Abstract:
Two new lanostane-type triterpenoids, ganoderenicfys A (1) and B (2), together with six related known terpenoids (3-8), were isolated and identified from the fruiting body of Ganoderma applanatum. The structures of these compounds were established on the basis of detailed interpretation of their NMR and HRESIMS data. The absolute configurations of 1 and 2 were determined by quantum chemical electronic circular dichroism (ECD) calculations. All of the isolated compounds were evaluated for their proangiogenic activities in a transgenic fluorescent zebrafish model. Compounds 1-6 displayed dose-dependently proangiogenic activity in a PTK787-induced vascular injury zebrafish model, while compounds 1, 2 and 4 significantly promoted the angiogenesis. This is the first report for proangiogenic activities of lanostane-type triterpenoids.
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