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Reviews of: "Zinc pyrithione is a potent inhibitor of PLPro and cathepsin L enzymes with ex vivo inhibition of SARS-CoV-2 entry and replication"

Reviewers: Momoh Yakubu (Texas Southern University) | ๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜ โ€ข Tommaso Filippini (University of Modena and Reggia Emilia) | ๐Ÿ“—๐Ÿ“—๐Ÿ“—๐Ÿ“—โ—ป๏ธ

Published onMar 31, 2022
Reviews of: "Zinc pyrithione is a potent inhibitor of PLPro and cathepsin L enzymes with ex vivo inhibition of SARS-CoV-2 entry and replication"
key-enterThis Pub is a Review of
Zinc pyrithione is a potent inhibitor of PL<sup>Pro</sup> and cathepsin L enzymes with <i>ex vivo</i> inhibition of SARS-CoV-2 entry and replication
Description

AbstractAs SARS-CoV-2 triggered a global health crisis, there is an urgent need to provide patients with safe, effective, accessible, and preferably oral therapeutics for COVID-19 that complement mRNA vaccines. Zinc compounds are widely known for their antiviral properties. Therefore, we have prepared a library of zinc complexes with pyrithione (1-hydroxy-2(1H)-pyridinethione) and its analogues, all of which showed promising in vitro inhibition of cathepsin L, an enzyme involved in SARS-CoV-2 entry, and PLPro, an enzyme involved in SARS-CoV-2 replication both in (sub)micromolar range. Zinc pyrithione 1a is a well-established, commercially available antimicrobial agent and was therefore selected for further evaluation of its SARS-CoV-2 entry and replication inhibition in an ex vivo system derived from primary human lung tissue. Our results suggest that zinc pyrithione complex 1a provides a multitarget approach to combat SARS-CoV-2 and should be considered for repurposing as a potential therapeutic against the insidious COVID-19 disease.Featured imageIn our study, we show that zinc pyrithione holds immense potential for the development of a possible out-patient treatment for SARS-CoV-2 due to its inhibition of viral entry and replication.

To read the original manuscript, click the link above.

Summary of Reviews: This preprint reports on the activity of commercially available Zinc pyrithione 1a drug for SARS-CoV-2 entry and replication inhibition using an ex vivo system.

Reviewer 1 (Momoh Yakabu) | ๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜

Reviewer 2 (Tommaso Filippini) | ๐Ÿ“—๐Ÿ“—๐Ÿ“—๐Ÿ“—โ—ป๏ธ

RR:C19 Strength of Evidence Scale Key

๐Ÿ“• โ—ป๏ธโ—ป๏ธโ—ป๏ธโ—ป๏ธ = Misleading

๐Ÿ“™๐Ÿ“™ โ—ป๏ธโ—ป๏ธโ—ป๏ธ = Not Informative

๐Ÿ“’๐Ÿ“’๐Ÿ“’ โ—ป๏ธโ—ป๏ธ = Potentially Informative

๐Ÿ“—๐Ÿ“—๐Ÿ“—๐Ÿ“—โ—ป๏ธ = Reliable

๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜๐Ÿ“˜ = Strong

To read the reviews, click the links below.

Comments
1
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Danielle Reyes:

Many studies and also many different results.

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