Identification of Potent Small Molecule Inhibitors of SARS-CoV-2 Entry

ABSTRACT The severe acute respiratory syndrome coronavirus 2 responsible for COVID-19 remains a persistent threat to mankind, especially for the immunocompromised and elderly for which the vaccine may have limited effectiveness. Entry of SARS-CoV-2 requires a high affinity interaction of the viral spike protein with the cellular receptor angiotensin-converting enzyme 2. Novel mutations on the spike protein correlate with the high transmissibility of new variants of SARS-CoV-2, highlighting the need for small molecule inhibitors of virus entry into target cells. We report the identification of such inhibitors through a robust high-throughput screen testing 15,000 small molecules from unique libraries. Several leads were validated in a suite of mechanistic assays, including whole cell SARS-CoV-2 infectivity assays. The main lead compound, Calpeptin, was further characterized using SARS-CoV-1 and the novel SARS-CoV-2 variant entry assays, SARS-CoV-2 protease assays and molecular docking. This study reveals Calpeptin as a potent and specific inhibitor of SARS-CoV-2 and some variants..

Medienart:

Preprint

Erscheinungsjahr:

2022

Erschienen:

2022

Enthalten in:

bioRxiv.org - (2022) vom: 25. Mai Zur Gesamtaufnahme - year:2022

Sprache:

Englisch

Beteiligte Personen:

Mediouni, Sonia [VerfasserIn]
Mou, Huihui [VerfasserIn]
Otsuka, Yuka [VerfasserIn]
Jablonski, Joseph Anthony [VerfasserIn]
Adcock, Robert Scott [VerfasserIn]
Batra, Lalit [VerfasserIn]
Chung, Dong-Hoon [VerfasserIn]
Rood, Christopher [VerfasserIn]
de Vera, Ian Mitchelle S. [VerfasserIn]
Rahaim, Ronald [VerfasserIn]
Ullah, Sultan [VerfasserIn]
Yu, Xuerong [VerfasserIn]
Nguyen, Tu-Trinh [VerfasserIn]
Hull, Mitchell [VerfasserIn]
Chen, Emily [VerfasserIn]
Bannister, Thomas D. [VerfasserIn]
Baillargeon, Pierre [VerfasserIn]
Scampavia, Louis [VerfasserIn]
Farzan, Michael [VerfasserIn]
Valente, Susana T. [VerfasserIn]
Spicer, Timothy P. [VerfasserIn]

Links:

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doi:

10.1101/2021.08.05.455262

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

XBI032343825