Targeting host cell proteases as a potential treatment strategy to limit the spread of SARS‐CoV‐2 in the respiratory tract

Ismail A. El‐shimy, Mahmoud M. A. Mohamed, Syed Shahzad Hasan, Muhammad A. Hadi

Research output: Contribution to journalReview articlepeer-review

Abstract

As the death toll of Coronavirus disease 19 (COVID‐19) continues to rise worldwide, it is imperative to explore novel molecular mechanisms for targeting SARS‐CoV‐2. Rather than looking for drugs that directly interact with key viral proteins inhibiting its replication, an alternative and possibly add‐on approach is to dismantle the host cell machinery that enables the virus to infect the host cell and spread from one cell to another. Excellent examples of such machinery are host cell proteases whose role in viral pathogenesis has been demonstrated in numerous coronaviruses. In this review, we propose two therapeutic modalities to tackle SARS‐CoV‐2 infections; the first is to transcriptionally modulate the expression of cellular proteases and their endogenous inhibitors and the second is to directly inhibit their enzymatic activity. We present a nonexhaustive collection of clinically investigated drugs that act by one of these mechanisms and thus represent promising candidates for preclinical in vitro testing and hopefully clinical testing in COVID‐19 patients.
Original languageEnglish
Article numbere00698
Number of pages13
JournalPharmacology Research and Perspectives
Volume9
Issue number1
Early online date23 Dec 2020
DOIs
Publication statusE-pub ahead of print - 23 Dec 2020

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