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Nitric oxide a possible treatment for COVID-19, study finds

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Researchers at Uppsala College have discovered that an efficient manner of treating the coronavirus behind the 2003 SARS epidemic additionally works on the intently associated SARS-CoV-2 virus, the wrongdoer within the ongoing COVID-19 pandemic. The substance involved is nitric oxide (NO), a compound with antiviral properties that’s produced by the physique itself. The research is revealed within the journal Redox Biology.

“To our data, nitric oxide is the one substance proven to this point to have a direct impact on SARS-CoV-2,” says Åke Lundkvist, a professor at Uppsala College, who led the research.

Since there’s nonetheless no efficient remedy for COVID-19, the principle emphasis within the therapies examined has been on relieving signs. This may shorten hospital stays and scale back mortality. So far, nevertheless, it has not been potential to show that any of those therapies has affected the precise virus behind the an infection.

Nitric oxide (NO) is a compound produced naturally within the physique. Its capabilities embody appearing like a hormone in controlling numerous organs. It regulates, for instance, stress within the blood vessels and blood circulation between and inside organs. In acute lung failure, NO may be administered as inhaled gasoline, in low concentrations, to spice up the blood-oxygen saturation stage. Through the SARS (extreme acute respiratory syndrome) coronavirus epidemic of 2003, this remedy was tried out with success. One key motive for the profitable outcomes was that irritation within the sufferers’ lungs decreased. This property of nitric oxide — the safety it affords in opposition to infections, by being each antibacterial and antiviral — is the very one which now pursuits the researchers.

Their research builds additional on a discovery in regards to the coronavirus that induced the primary SARS epidemic. In 2003, NO launched from S-Nitroso-N-acetylpenicillamine (SNAP) proved to have a definite antiviral impact. The researchers from Uppsala College and Karolinska Institute have now investigated how the novel coronavirus concerned within the present pandemic, SARS CoV-2, reacts to the compound. And SNAP was proven to a transparent antiviral impact on this virus, too — and an impact that grew stronger because the dose was raised.

“Till we get a vaccine that works, our hope is that inhalation of NO is likely to be an efficient type of remedy. The dosage and timing of beginning remedy in all probability play an necessary half within the final result, and now have to be explored as quickly as potential,” Åke Lundkvist says.

The analysis group are actually planning to proceed by investigating the antiviral results of NO emitted in gasoline kind. To take action, they are going to assemble a mannequin within the laboratory with the intention to safely simulate a conceivable type of remedy for sufferers.

Story Supply:

Materials offered by Uppsala University. Unique written by Åsa Malmberg. Notice: Content material could also be edited for model and size.

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