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- W4379600963 abstract "Background:Scedosporium/Lomentospora species are human pathogens resistant to almost all antifungals currently available in clinical practice. Methods: The effects of 16 1,10-phenanthroline (phen)/1,10-phenanthroline-5,6-dione/dicarboxylate chelates containing Cu(II), Mn(II) and Ag(I) against Scedosporium apiospermum, Scedosporium minutisporum, Scedosporium aurantiacum and Lomentospora prolificans were evaluated. Results: To different degrees, all of the test chelates inhibited the viability of planktonic conidial cells, displaying MICs ranging from 0.029 to 72.08 μM. Generally, Mn(II)-containing chelates were the least toxic to lung epithelial cells, particularly [Mn2(oda)(phen)4(H2O)2][Mn2(oda)(phen)4(oda)2].4H2O (MICs: 1.62-3.25 μM: selectivity indexes >64). Moreover, this manganese-based chelate reduced the biofilm biomass formation and diminished the mature biofilm viability. Conclusion: [Mn2(oda)(phen)4(H2O)2][Mn2(oda)(phen)4(oda)2].4H2O opens a new chemotherapeutic avenue for the deactivation of these emergent, multidrug-resistant filamentous fungi.Metals have been used to treat microbial infections for centuries. In this context, the effects of 16 metal-based compounds against the human pathogens Scedosporium apiospermum, Scedosporium minutisporum, Scedosporium aurantiacum and Lomentospora prolificans were tested. All the 16 metal-based compounds were able to interfere with the viability of these fungal pathogens to different degrees. Among the 16 compounds, a manganese-containing compound presented the best activity against the fungal species and it presented the least toxicity to a human lung cell line. In addition, this manganese-containing compound reduced the ability of fungal cells to come together and form a type of community called biofilm. In conclusion, the manganese-containing compound presents a promising option against the multidrug-resistant filamentous fungi species belonging to the Scedosporium/Lomentospora genera." @default.
- W4379600963 created "2023-06-08" @default.
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- W4379600963 date "2023-06-07" @default.
- W4379600963 modified "2023-09-27" @default.
- W4379600963 title "Active Cu(II), Mn(II) and Ag(I) 1,10-phenanthroline/1,10-phenanthroline-5,6-dione/dicarboxylate chelates: effects on <i>Scedosporium</i>" @default.
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- W4379600963 doi "https://doi.org/10.2217/fmb-2022-0202" @default.
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