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New Antiproliferative Compounds against Glioma Cells from the Marine-Sourced Fungus Penicillium sp. ZZ1750.

ABSTRACT: Seven novel compounds, namely peniresorcinosides A-E (1-5), penidifarnesylin A (6), and penipyridinone A (7), together with the 11 known ones 8-17, were isolated from a culture of the marine-associated fungus Penicillium sp. ZZ1750 in rice medium. The structures of the new compounds were established based on their high-resolution electrospray ionization mass spectroscopy (HRESIMS) data, extensive nuclear magnetic resonance (NMR) spectroscopic analyses, chemical degradation, Mosher's method, ¹³C-NMR calculations, electronic circular dichroism (ECD) calculations, and single crystal X-ray diffraction. Peniresorcinosides A (1) and B (2) are rare glycosylated alkylresorcinols and exhibited potent antiglioma activity, with IC₅₀ values of 4.0 and 5.6 µM for U87MG cells and 14.1 and 9.8 µM for U251 cells, respectively.

SUBMITTER: Yong K

PROVIDER: S-EPMC8465473 | biostudies-literature |

REPOSITORIES: biostudies-literature

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