How Sars-CoV-2 weakens the structure of the respiratory epithelium

DECRYPTION – The work of American researchers makes it possible to take a further step in understanding the harmfulness of the virus.

Developing treatments against Covid requires a detailed understanding of how the virus infects its host and then spreads there quickly and in high proportions. To better understand how Sars-CoV-2 disrupts the functioning of the lungs, American researchers have managed to observe very closely the interactions with the cells that cover the pulmonary alveoli. Their work, published in the journal Nature Communications, confirm that Sars-CoV-2 can damage the structure of the respiratory epithelium, making it permeable, which could explain part of the pulmonary symptoms observed in some patients.

The structure of a virus may seem simple: just a little genetic information wrapped in a few proteins and / or lipids. But Sars-CoV-2 will have reminded us that simplicity can be formidable in biology. If the extent of the damage caused by this coronavirus is only partially known, the lungs appeared from the

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