The main protease (Mpro) of SARS-CoV-2 is a validated target for the treatment of COVID-19. Among the various strategies for protein inhibition at the small-molecule level, Ebselen has emerged as a recognized, potent, and effective alternative; however, its mechanism of action remains unclear and likely not univocal. The aim of this thesis is therefore to evaluate, through techniques such as FRET and mass spectrometry under different conditions, a series of Ebselen derivatives as inhibitors of the SARS-CoV-2 Mpro. A further objective is to provide additional insight into their mechanism of action, not only with the ultimate goal of counteracting the existing virus, but also, potentially, in preparation for the emergence of a future related virus that could spread in the coming years.
La proteasi principale di SARS-CoV-2 è un target validato per il trattamento della patologia COVID-19. Tra le tante possibilità di inibizione della proteina, a livello di small molecules, la molecola di Ebselen risulta essere un’alternativa riconosciuta già efficace e potente ma dal meccanismo non ancora chiaro e, probabilmente, non univoco. Il presente lavoro di tesi mira quindi a valutare, mediante tecniche come FRET e spettrometria di massa in diverse condizioni, una serie di derivati di Ebselen come inibitori di Mpro di SARS-Cov-2. Il secondo fine è anche quello di fare ulteriore chiarezza sul loro meccanismo d’azione non solamente con lo scopo ultimo di combattere il virus già esistente, ma anche, possibilmente, in preparazione a un nuovo eventuale virus della stessa tipologia che potrebbe diffondersi in futuro.
Studio dell'Inibizione di Mpro di SARS-CoV-2: il complesso caso di Ebselen e dei suoi nuovi derivati
PRETO, GIOVANNI
2024/2025
Abstract
The main protease (Mpro) of SARS-CoV-2 is a validated target for the treatment of COVID-19. Among the various strategies for protein inhibition at the small-molecule level, Ebselen has emerged as a recognized, potent, and effective alternative; however, its mechanism of action remains unclear and likely not univocal. The aim of this thesis is therefore to evaluate, through techniques such as FRET and mass spectrometry under different conditions, a series of Ebselen derivatives as inhibitors of the SARS-CoV-2 Mpro. A further objective is to provide additional insight into their mechanism of action, not only with the ultimate goal of counteracting the existing virus, but also, potentially, in preparation for the emergence of a future related virus that could spread in the coming years.| File | Dimensione | Formato | |
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Preto_Giovanni.pdf
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https://hdl.handle.net/20.500.12608/102674