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LEGO-Lipophosphonoxins: A Novel Approach in Designing Membrane Targeting Antimicrobials

DD. Do Pham, V. Mojr, M. Helusová, G. Mikušová, R. Pohl, E. Dávidová, H. Šanderová, D. Vítovská, K. Bogdanová, R. Večeřová, MH. Sedláková, R. Fišer, P. Sudzinová, J. Pospíšil, O. Benada, T. Křížek, A. Galandáková, M. Kolář, L. Krásný, D. Rejman

. 2022 ; 65 (14) : 10045-10078. [pub] 20220715

Jazyk angličtina Země Spojené státy americké

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc22025144

The alarming rise of bacterial antibiotic resistance requires the development of new compounds. Such compounds, lipophosphonoxins (LPPOs), were previously reported to be active against numerous bacterial species, but serum albumins abolished their activity. Here we describe the synthesis and evaluation of novel antibacterial compounds termed LEGO-LPPOs, loosely based on LPPOs, consisting of a central linker module with two attached connector modules on either side. The connector modules are then decorated with polar and hydrophobic modules. We performed an extensive structure-activity relationship study by varying the length of the linker and hydrophobic modules. The best compounds were active against both Gram-negative and Gram-positive species including multiresistant strains and persisters. LEGO-LPPOs act by first depleting the membrane potential and then creating pores in the cytoplasmic membrane. Importantly, their efficacy is not affected by the presence of serum albumins. Low cytotoxicity and low propensity for resistance development demonstrate their potential for therapeutic use.

Citace poskytuje Crossref.org

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