Repurposing of the antibiotic nitroxoline for the treatment of mpox
Abstract The antiviral drugs tecovirimat, brincidofovir, and cidofovir are considered for mpox (monkeypox) treatment despite a lack of clinical evidence. Moreover, their use is affected by toxic side‐effects (brincidofovir, cidofovir), limited availability (tecovirimat), and potentially by resistance formation. Hence, additional, readily available drugs are needed. Here, therapeutic concentrations of nitroxoline, a hydroxyquinoline antibiotic with a favourable safety profile in humans, inhibited the replication of 12 mpox virus isolates from the current outbreak in primary cultures of human keratinocytes and fibroblasts and a skin explant model by interference with host cell signalling. Tecovirimat, but not nitroxoline, treatment resulted in rapid resistance development. Nitroxoline remained effective against the tecovirimat‐resistant strain and increased the anti‐mpox virus activity of tecovirimat and brincidofovir. Moreover, nitroxoline inhibited bacterial and viral pathogens that are often co‐transmitted with mpox. In conclusion, nitroxoline is a repurposing candidate for the treatment of mpox due to both antiviral and antimicrobial activity..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:95 |
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| Enthalten in: |
Journal of Medical Virology - 95(2023), 3 |
| Beteiligte Personen: |
Bojkova, Denisa [VerfasserIn] |
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| Anmerkungen: |
© 2023 Wiley Periodicals LLC. |
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| Umfang: |
13 |
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| doi: |
10.1002/jmv.28652 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
WLY016195302 |
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| 245 | 1 | 0 | |a Repurposing of the antibiotic nitroxoline for the treatment of mpox |
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| 520 | |a Abstract The antiviral drugs tecovirimat, brincidofovir, and cidofovir are considered for mpox (monkeypox) treatment despite a lack of clinical evidence. Moreover, their use is affected by toxic side‐effects (brincidofovir, cidofovir), limited availability (tecovirimat), and potentially by resistance formation. Hence, additional, readily available drugs are needed. Here, therapeutic concentrations of nitroxoline, a hydroxyquinoline antibiotic with a favourable safety profile in humans, inhibited the replication of 12 mpox virus isolates from the current outbreak in primary cultures of human keratinocytes and fibroblasts and a skin explant model by interference with host cell signalling. Tecovirimat, but not nitroxoline, treatment resulted in rapid resistance development. Nitroxoline remained effective against the tecovirimat‐resistant strain and increased the anti‐mpox virus activity of tecovirimat and brincidofovir. Moreover, nitroxoline inhibited bacterial and viral pathogens that are often co‐transmitted with mpox. In conclusion, nitroxoline is a repurposing candidate for the treatment of mpox due to both antiviral and antimicrobial activity. | ||
| 700 | 1 | |a Zöller, Nadja |4 aut | |
| 700 | 1 | |a Tietgen, Manuela |4 aut | |
| 700 | 1 | |a Steinhorst, Katja |4 aut | |
| 700 | 1 | |a Bechtel, Marco |4 aut | |
| 700 | 1 | |a Rothenburger, Tamara |4 aut | |
| 700 | 1 | |a Kandler, Joshua D. |4 aut | |
| 700 | 1 | |a Schneider, Julia |4 aut | |
| 700 | 1 | |a Corman, Victor M. |4 aut | |
| 700 | 1 | |a Ciesek, Sandra |4 aut | |
| 700 | 1 | |a Rabenau, Holger F. |4 aut | |
| 700 | 1 | |a Wass, Mark N. |4 aut | |
| 700 | 1 | |a Kippenberger, Stefan |4 aut | |
| 700 | 1 | |a Göttig, Stephan |4 aut | |
| 700 | 1 | |a Michaelis, Martin |4 aut | |
| 700 | 1 | |a Cinatl, Jindrich jr. |4 aut | |
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