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The scientists discovered that two types of cells had high levels of input proteins that COVID-19 uses to enter the human body, reports Agerpres.
According to experts, the identification of these cells could explain the high transmission rate of this virus.
Additionally, research has shown that cells in the eyes and some organs also contain viral penetrating proteins.
The two cells were discovered because they had very high levels of the input proteins that Covid-19 usually uses to enter the human body.
Therefore, the high transmission rate of this virus could be explained after several months in which the scientists did not have too many clues.
Furthermore, the researchers concluded that some organs contain viral penetration proteins, the eyes being another “door” where the coronavirus can enter the body very easily.
One thing is certain, after taking samples from hundreds of sick people, viral concentrations are much higher in the nose compared to those in the throat. The discovery will have important implications for the future when scientists try to find an effective treatment for the disease.
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Meanwhile, experts have concluded that the disease mainly affects the lungs, but can also affect other organs such as the heart and kidneys. At the same time, Covid-19 would cause blood clots that can be fatal.
According to the cited source, the way the disease is transmitted through sneezing, coughing, or talking will help many specialists when trying to develop a vaccine.
“We found that the ACE2 receptor protein and TMPRSS2 protease that can activate SARS-CoV-2 entry are expressed in cells in various organs, including cells in the inner lining of the nose.” We then revealed that mucus-secreting cells and nasal hair cells had the highest levels of both viral COVID-19 proteins of all airway cells. This makes these cells the most likely initial route of infection for this virus. “, revealed Dr. Waradon Sungnak, author of the study, from the Wellcome Sanger Institute.
Dutch doctor Martijn Nawijn of the Netherlands University Medical Center believes the discovery is revolutionary: “This is the first time that these nasal cells have been associated with COVID-19. Although there are many factors that contribute to the transmissibility of the virus, our findings are consistent with the rapid viral infection rates observed to date. The location of these cells on the inner surface of the nose makes them very accessible to the virus and can also contribute to transmission to other people.
The research was carried out by the Wellcome Sanger Institute, the Medical Center of the University of Groningen, the University of the French Riviera, the French National Center for Scientific Research (CNRS). The specialists analyzed different tissues from more than twenty uninfected people.
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