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Scientists have found a promising cure for coronavirus

The protein lactoferrin can become a promising remedy against COVID-19, experts from the University of Michigan have found out. They told more about this in an article in the journal Proceedings of the National Academy of Science.

The researchers used human cell cultures that were treated with more than 1,400 drugs and individual compounds before and after infection with SARS-CoV-2 and then analyzed the results using neural networks. So they managed to find 17 potential candidates for funds against COVID-19. Seven of them, including the already approved Remdesivir, have already been considered as such in other similar studies.

The scientists tested these compounds on different types of cells, including human lung cells, to simulate infection with SARS-CoV-2 in the respiratory tract. Nine of them showed antiviral activity. The best coped with the task was lactoferrin, a protein contained in breast milk, which is also sold as a dietary supplement obtained from cow's milk.

Lactoferrin is one of the components of the body's immune system, plays a role in the work of non-specific humoral immunity, regulates the functions of immunocompetent cells. It has already been established that it is able to bind antigens of a viral nature, including Lactoferrin proved to be effective against cytomegalovirus, HIV, and other pathogens-although mainly in laboratory conditions.

The development of new drugs can take many years, the researchers note, so the search for effective drugs among existing ones is a profitable strategy, the researchers emphasize. In the near future, the team is going to test whether lactoferrin will be effective in real conditions in the treatment of patients with SARS-CoV-2. It is also necessary to find out how much it is able to resist the delta strain of coronavirus.

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