A team of researchers at the University of California has been studying proteins that the SARS-CoV-2 virus uses to bind to proteins in the lungs, and has identified multiple drug candidates that might be useful to treat patients with COVID-19. The team notes that many of them have already been approved for use by the FDA in treating other diseases. They have posted their paper on the BioRxiv preprint server as they await publication in an unspecified journal.

Not long after the SARS-CoV-2 virus was found to be infecting people, scientists sequenced its genome. The work in this new effort involved analyzing the sequenced data, from which the researchers identified 29 genes in the virus that were responsible for producing proteins involved in interacting with human proteins. Next, the team invited a group of chemists into their effort to help them find small molecules that could be used to target the host proteins they had found. That led to a list of drugs that might be useful in treating patients with COVID-19. The team is now currently testing the drugs on their list with infected cells to find those that are able to prevent the virus proteins from interacting with the human proteins. They note that they accomplished work in just a matter of weeks that would normally take months. They proceeded more rapidly by collaborating with hundreds of other scientists working in 21 laboratories around the world.

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