US scientists find possible Covid-19 treatment

Washington, August 4

Scientists in the US have found a potential therapeutic treatment for SARS-CoV-2, the virus that causes COVID-19, and other coronaviruses.

Pathogenic coronaviruses are a major threat to global public health, as shown by the SARS-CoV, MERS-CoV, and the newly emerged SARS-CoV-2.

The study, published in the journal Science Translational Medicine, has found that small molecule protease inhibitors show potency against human coronaviruses.

These coronavirus 3C-like proteases, known as 3CLpro, are strong therapeutic targets because they play vital roles in coronavirus replication, the researchers said.

“Vaccine developments and treatments are the biggest targets in COVID-19 research, and treatment is really key,” said Kyeong-Ok Chang, a professor at Kansas State University in the US.

“This paper describes protease inhibitors targeting coronavirus 3CLpro, which is a well-known therapeutic target,” Chang said.

The study demonstrates that this series of optimised coronavirus 3CLpro inhibitors blocked replication of the human coronaviruses MERS-CoV and SARS-CoV-2 in cultured cells and in a mouse model for MERS, the researchers said.

These findings suggest that this series of compounds should be investigated further as a potential therapeutic for human coronavirus infection, they said. — PTI

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