PTP1B inhibitory and cytotoxic C-24 epimers of Δ28-24-hydroxy stigmastane-type steroids from the brown alga Dictyopteris undulata Holmes.
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DOI: 10.1016/j.phytochem.2017.11.013
Abstract: Ten stigmastane-type steroids bearing unusual Δ28-24-hydroxy side chains, dictyopterisins A-J, including three pairs of C-24 epimers, dictyopterisins B/C, F/G, and I/J, were isolated from the brown alga Dictyopteris undulata Holmes, together with two previously reported… read more here.
Keywords: undulata holmes; dictyopteris undulata; alga dictyopteris; type steroids ... See more keywords
Withanolide-Type Steroids from Physalis nicandroides Inhibit HIV Transcription.
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DOI: 10.1021/acs.jnatprod.1c00637
Abstract: The aim of the present study is to report the isolation, structural elucidation, and antiviral evaluation of four new withanolide-type steroids, named nicansteroidins A-D (1-4), together with nine related known compounds (5-13) isolated from the… read more here.
Keywords: transcription; steroids physalis; nicandroides inhibit; physalis nicandroides ... See more keywords
Structure and Biological Activity of Ergostane-Type Steroids from Fungi
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DOI: 10.3390/molecules27072103
Abstract: Mushrooms are known not only for their taste but also for beneficial effects on health attributed to plethora of constituents. All mushrooms belong to the kingdom of fungi, which also includes yeasts and molds. Each… read more here.
Keywords: ergostane type; biological activity; type steroids; activity ... See more keywords