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Seven new (-) and six known (-) statin derivatives were obtained from the deep-sea-derived fungus MCCC 3A00265. The structures assigned to the new compounds were based on a comprehensive analysis of the spectroscopic data, with absolute configurations established by Mosher analysis and biogenetic consideration. Most of the new compounds (- and ) share an octohydronaphthalene backbone, except that viridecalin F () possesses an uncommon naphthalene core. Viridecalins C () and F () and the two known compounds and exhibit considerable ability in reactivating mutant p53 protein at 10 μM, while viridecalin C showcases the most potent reactivation activity, indicating the potential of application in cancer therapy.
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http://dx.doi.org/10.3390/md23020087 | DOI Listing |
Bioorg Chem
February 2025
Fujian Provincial Key Laboratory of Innovative Drug Target, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, PR China. Electronic address:
Aphidicolin, characterized by a highly fused 6/6/5/6 tetracyclic diterpenoid skeleton, had been explored as a potential anticancer drug in clinical trials. However, its development has been constrained by poor solubility. The discovery of new aphidicolin derivatives offers promising prospects for anticancer drug development.
View Article and Find Full Text PDFMar Drugs
February 2025
Hainan Academy of Medical Sciences, Hainan Medical University, 3 Xueyuan Road, Haikou 571199, China.
Seven new (-) and six known (-) statin derivatives were obtained from the deep-sea-derived fungus MCCC 3A00265. The structures assigned to the new compounds were based on a comprehensive analysis of the spectroscopic data, with absolute configurations established by Mosher analysis and biogenetic consideration. Most of the new compounds (- and ) share an octohydronaphthalene backbone, except that viridecalin F () possesses an uncommon naphthalene core.
View Article and Find Full Text PDFChem Biodivers
January 2025
Hainan Academy of Medical Sciences, Hainan Medical University, Haikou, Hainan, China.
Two new nor-rubrofusarin derivatives (trichsimins A and B, 1 and 2) and one new chromone derivative (trichsimin C, 5) were isolated from the deep-sea-derived Trichoderma simmonsii ZEN3 along with 20 known compounds (3, 4, and 6-23). The structures of the new compounds were established by detailed analyses of the NMR, HRESIMS, and optical rotatory dispersion (ORD) data. Nafuredin (14) exhibited potent inhibition against RSL3-induced ferroptosis with an EC value of 5.
View Article and Find Full Text PDFBioorg Chem
March 2025
State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China. Electronic address:
Thirteen new meroterpenoids, acremorins A-M (1, 2, 4, 6, 7 and 9-16), together with three known analogues (3, 5 and 8) were isolated from the deep-sea-derived fungus Acremonium sclerotigenum LW14 guided by the genomic and OSMAC strategy. Their structures and absolute configurations were established by extensive spectroscopic analysis, electronic circular dichroism (ECD) calculations, Rh(OCOCF)-induced ECD experiments, and a single-crystal X-ray diffraction experiment. Compounds 2, 4, 6 and 9 represent the rare brominated ascochlorins.
View Article and Find Full Text PDFMar Drugs
January 2025
Center for Molecular Metabolism, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
Neuroinflammation and neuronal cell death are leading causes of death in the elderly and underlie various neurodegenerative diseases. These diseases involve complex pathophysiological mechanisms, including inflammatory responses, oxidative stress, and ferroptosis. Compounds derived from deep-sea fungi exhibit low toxicity and potent neuroprotective effects, offering a promising source for drug development.
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