Disulfiram, the medication used to treat alcoholism, may help in the fight against SARS-CoV-2, the virus that causes Covid-19, according to a study. The researchers from National Research University Higher School of Economics (HSE) in Russia noted that the structural elements of the novel coronavirus that are less subject to mutation during its evolution should be chosen as a target for the potential treatment. Otherwise, a medication effective against one strain would no longer be effective against another, they said.
The best candidates for this are conservative proteins, such as the SARS-CoV-2 virus main protease M pro, according to the study published in the Mendeleev Communications journal. In addition to being resistant to mutations, M pro plays a major role in coronavirus replication, which means that its inhibition is able to slow down or even completely stop its reproduction inside the body, the researchers said. The potential drugs were taken from the database of medications approved by the US Food and Drug Administration (FDA). The modelling data demonstrated that sulphur-containing drugs show unusually high ligand efficiency at the active centre of SARS-CoV-2 main protease Mpro, but only disulfiram 4 retains stable interactions.
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