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Chelation of mitochondrial iron as an antiparasitic strategy

Iron, as an essential micronutrient, plays a crucial role in host-pathogen interactions. In order to limit the growth of the pathogen, a common strategy of innate immunity includes withdrawing available iron to interfere with the cellular processes of the microorganism. Against that, unicellular par...

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Hauptverfasser: Arbon, Dominik (VerfasserIn) , Mach, Jan (VerfasserIn) , Čadková, Aneta (VerfasserIn) , Sipkova, Anna (VerfasserIn) , Stursa, Jan (VerfasserIn) , Klanicová, Kristýna (VerfasserIn) , Machado, Marta (VerfasserIn) , Ganter, Markus (VerfasserIn) , Levytska, Viktoriya (VerfasserIn) , Sojka, Daniel (VerfasserIn) , Truksa, Jaroslav (VerfasserIn) , Werner, Lukáš (VerfasserIn) , Sutak, Robert (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: January 30, 2024
In: ACS infectious diseases
Year: 2024, Jahrgang: 10, Heft: 2, Pages: 676-687
ISSN:2373-8227
DOI:10.1021/acsinfecdis.3c00529
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1021/acsinfecdis.3c00529
Volltext
Verfasserangaben:Dominik Arbon, Jan Mach, Aneta Čadková, Anna Sipkova, Jan Stursa, Kristýna Klanicová, Marta Machado, Markus Ganter, Viktoriya Levytska, Daniel Sojka, Jaroslav Truksa, Lukáš Werner, and Robert Sutak
Beschreibung
Zusammenfassung:Iron, as an essential micronutrient, plays a crucial role in host-pathogen interactions. In order to limit the growth of the pathogen, a common strategy of innate immunity includes withdrawing available iron to interfere with the cellular processes of the microorganism. Against that, unicellular parasites have developed powerful strategies to scavenge iron, despite the effort of the host. Iron-sequestering compounds, such as the approved and potent chelator deferoxamine (DFO), are considered a viable option for therapeutic intervention. Since iron is heavily utilized in the mitochondrion, targeting iron chelators in this organelle could constitute an effective therapeutic strategy. This work presents mitochondrially targeted DFO, mitoDFO, as a candidate against a range of unicellular parasites with promising in vitro efficiency. Intracellular Leishmania infection can be cleared by this compound, and experimentation with Trypanosoma brucei 427 elucidates its possible mode of action. The compound not only affects iron homeostasis but also alters the physiochemical properties of the inner mitochondrial membrane, resulting in a loss of function. Furthermore, investigating the virulence factors of pathogenic yeasts confirms that mitoDFO is a viable candidate for therapeutic intervention against a wide spectrum of microbe-associated diseases.
Beschreibung:Gesehen am 03.09.2024
Beschreibung:Online Resource
ISSN:2373-8227
DOI:10.1021/acsinfecdis.3c00529

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