"Drug repurposing of pyrazolotriazine derivatives as potential anti‑SAR" by Amgad Albohy and Khaled abouzid
 

Drug repurposing of pyrazolotriazine derivatives as potential anti‑SARS‑CoV‑2 agents: in vitro and in silico studies

Document Type

Article

Publication Date

2024

Abstract

The search for new molecules targeting SARS-CoV-2 has been a priority since 2020. The continuous evolution of new mutants increases the need for more research in the area. One way to find new leads is to repurpose existing drugs and molecules against the required target. Here, we present the in vitro and in silico screening of ten previously synthesized and reported compounds as anti-COVID 19 agents. The compounds were screened in vitro against VEROE6 cells to find their Cytotoxic Concentration ( CC50) and their Inhibitory Concentration ( IC50). Compounds 1, 2, and 5 revealed a promising anti-SARS-CoV-2 of ( IC50 = 2.4, 11.2 and 2.8 μM), respectively while compounds 3 and 7 showed moderate activity of ( IC50 = 17.8 and 26.1 μM) compared to Chloroquine which showed an IC50 of 24.9 μM. Among tested compounds, 1 showed the highest selectivity ( CC50/IC50) of 192.8. Docking, molecular dynamics and ADME studies were done to investigate potential interactions between compounds and SARS-CoV-2 targets as well as to study the possibility of using them as lead compounds.

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