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- 저자 : Dat T. Nguyen (검색결과 1 건)
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Chi K. Hoang,Cuong H. Le,Dat T. Nguyen,Hang T. N. Tran,Chinh V. Luu,Huong M. Le,Ha T. H. Tran 한국균학회 2023 Mycobiology Vol.51 No.4
Genus Penicillium comprising the most important and extensively studied fungi has beenwell-known as a rich source of secondary metabolites. Our study aimed to analyze andinvestigate biological activities, including in vitro anti-cancer, anti-inflammatory and anti-diabeticproperties, of metabolites from a marine-derived fungus belonging to P. levitum. Thechemical compounds in the culture broth of P. levitum strain N33.2 were extracted withethyl acetate. Followingly, chemical analysis of the extract leaded to the isolation of threeergostane-type steroid components, namely cerevisterol (1), ergosterol peroxide (2), and(3b,5a,22E)-ergosta-6,8(14),22-triene-3,5-diol (3). Among these, (3) was the most potent cytotoxicagainst human cancer cell lines Hep-G2, A549 and MCF-7 with IC50 values of 2.89,18.51, and 16.47 mg/mL, respectively, while the compound (1) showed no significant effectagainst tested cancer cells. Anti-inflammatory properties of purified compounds were evaluatedbased on NO-production in LPS-induced murine RAW264.7 macrophages. As a result,tested compounds performed diverse inhibitory effects on NO production by the macrophages,with the most significant inhibition rate of 81.37 ± 1.35% at 25 mg/mL by the compound(2). Interestingly, compounds (2) and (3) exhibited inhibitory activities againstpancreatic lipase and a-glucosidase enzymes in vitro assays. Our study brought out newdata concerning the chemical properties and biological activities of isolated steroids from aP. levitum fungus.
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