Home » Covid, from the antibodies of the llamas a spray to block the virus

Covid, from the antibodies of the llamas a spray to block the virus

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The lamas against Covid. Yes, just them: the camelid quadrupeds that crowd the Andes and the mountains of Tibet seem to have all the characteristics to defend us from the evil of this beginning of the century. There had already been signs to this effect, in addition to the indications that come from healings and the old sages of the villages perched on the highest peaks in the world.

The interview

Covid, a spray in the throat and it could block the infection

by Giuliano Aluffi


Their antibodies were said to be able to counter Sars-CoV-2 and prevent it from infecting our cells. Now there are new confirmations. Scientific. One of the many groups of researchers who for years has been studying the genetic characteristics of this animal and its possible applications in the immune field has developed a report that presents encouraging results.

Already published on Scientific Reports seven months ago, the new report confirms the findings and adds more to confirm a hope that could soon become a medical reality. The group is led by researchers from the NIH, the National Institutes of Health, an agency of the United States Department of Health.

Covid, because our immune system responds differently to infection and vaccine

by Jacopo Vergari


Researchers have isolated a number of nanoantibodies present in the blood of llamas that are shown to be particularly active against SARS-2. They are naturally generated by a species of llama known as Cormac and found on the summits of the Andean range. One of these antibodies, called NIH-Co Vnb-112, could prevent infections and block virus particles starting from the one that generates Covid.

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The small antibodies also seem to act in liquid form or via air, suggesting their use also for inhalation. In short, adapted as an anti-virus, it could be put inside a nasal spray that we spray ourselves as we do when we have annoying colds. The Cornac used in the experiments is a 16-year-old male raised on the farms of Triple J Farms, Kent Laboratories, in Bellinghgam, USA: a center for the investigation, development and production of compounds for medicine and veterinary medicine. In the 32 hectares surrounding the complex live various groups of llamas, sheep, goats and donkeys.

Covid: towards a single vaccine against Coronavirus and flu

by Viola Rita


“We were focused on the use of nanobodies to improve brain images,” professor told La Avanguardia. Evan Brody who is part of the team. “When the pandemic hit we thought it was the chance of a lifetime and we got to work. Now we hope that these nonoantibodies are versatile and can also be applied to the Coronavirus. Everything suggests this is the case.”

Nanoantibody is a special type of protector naturally created by the immune system of camelids, a group of animals that includes camels, llamas and alpacas. These proteins weigh about a tenth of those found inside our body. They play a vital role in the defense of the immune system because they recognize proteins in viruses, bacteria and all other infected invaders commonly known as antigens. They are less stable and less expensive to produce as well as being easier to design than other antibodies.

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“They act like a key,” explains the professor Diego Esparza, the lead author of the study, in a note released by the NIH itself. “Our investigations showed that the nanoantibody binds to the Ace2 receptor 2 to 10 times stronger than those built in the laboratory.” Because it is natural. And only from nature, moreover animal, can the antidote to the virus transmitted to man by another animal arrive.

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