The effects of l-tryptophan supplementation on secondary metabolite production in the marine-derived fungus sp. L1 were investigated by culturing the fungus in GPY medium with and without the amino acid. HPLC analysis of the products showed distinct metabolite profiles between the two cultures.
View Article and Find Full Text PDFAscomylactam A was reported for the first time as a new 13-membered-ring macrocyclic alkaloid in 2019 from the mangrove endophytic fungus sp. CYSK-4 from the South China Sea. The aim of our study was to delineate the effects of ascomylactam A (AsA) on lung cancer cells and explore the antitumor molecular mechanisms underlying of AsA.
View Article and Find Full Text PDFBioassay-guided isolation of the secondary metabolites from the fungus . L-8 associated with the soft coral led to the discovery of two new compounds, dichotones A and B ( and ), together with four known compounds including dichotocejpin C (), bis--norgliovictin (), bassiatin () and (3,6)-bassiatin (). The structures of these compounds were determined by 1D, 2D NMR and mass spectrometry.
View Article and Find Full Text PDFThe pathologic mechanisms of Alzheimer's disease (AD) have not been fully uncovered. Acrolein, a ubiquitous dietary pollutant and by-product of oxidative stress, can induce cytotoxicity in neurons, which might play an important role in the etiology of AD. Here, we examined the effects of Acrolein on the AD pathologies in vitro and in vivo.
View Article and Find Full Text PDFBackground: The accuracy of microelectrode-guided localization can make the operation safe and effective, but only experienced neurosurgeons are capable of performing this operation. A good index to identify neuronal discharges between globus pallidus interna and globus pallidus externa is needed. The aim of this research was to establish a good and practical electrophysiologic index to distinguish neuronal discharge in the interior globus pallidus from neuronal discharge in the exterior globus pallidus region of the brain in Parkinson's disease.
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