In a current research study released on March 3, 2021 on scientific journal Blood Advances, scientists have actually found what they believe to be a natural blood type preference for SARS-CoV-2, the infection that triggers COVID-19.
Past studies have revealed that blood type does matter, to a specific level, in the face of COVID-19.
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In a previous study released on Blood Advances in October 2020, findings indicated the possibility that individuals with blood type O were the least likely to get infected with COVID-19. Or at least, they were the most protected from the infection. This might help substantiate the most current study as well.
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Though the findings are mind-blowing, Stowell alerts this isnt a proven method to predict the type of impact COVID-19 has on people of different blood types. After all, its not like people with blood types B and O are unsusceptible to the infection.
The research study supplies further evidence that individuals with blood type A are most likely to get infected with COVID-19 than others.
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Focusing on the receptor binding domain (RBD) of SARS-CoV-2, the part that attaches itself to the host cell (and results in infection), researchers looked closely at how the virus communicated with red and respiratory blood cells in blood types A, B, and O.
After cautious observation, it was quite clear that COVID-19 had a particular preference to blood group A in respiratory cells. Surprisingly, it showed no preference towards red blood cells in the same group, or other respiratory and red blood cells in type B and O blood.
” Blood type is an obstacle due to the fact that it is acquired and not something we can alter,” stated Stowell.
The study simply recommends that individuals with blood type A are more attracting for the SARS-CoV-2 RBD to bind itself to. On the occasion that people in a certain population or neighborhood have only type B or type O blood, infection would still be an issue.
” But if we can much better comprehend how the infection connects with blood groups in people, we might have the ability to find brand-new medicines or approaches of prevention.”
” It is interesting that the viral RBD just actually prefers the type of blood group A antigens that are on breathing cells, which are most likely how the infection is entering most patients and contaminating them,” stated study co-author Sean Stowell.
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