August 17, 2022

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Can eggs be used to produce COVID-19 antibodies?

Can eggs be used to produce COVID-19 antibodies?



 

Can eggs be used to produce COVID-19 antibodies? Eggs laid by chickens fed at this university are loaded with Covid-19 antibodies.


On July 13, researchers at the University of California, Davis have developed a technology to produce COVID-19 antibodies from eggs.

Antibodies obtained from eggs can not only be used to treat the COVID-19, but also can be used as a “vaccine” for exposed people.

Relevant research results were published in “Viruses” on July 9.

 

 

Rodrigo Gallardo, a professor of poultry medicine at the University of California, Davis, said, ” The beauty of this technology is that poultry can produce large amounts of antibodies.

In addition to low cost, another method of producing antibodies through hens is One advantage is that by infecting hens with neoantigens to gain super-immunity, new antibodies can be obtained that provide protection against new variants of the virus.”

 

Similar to IgG from humans and other animals, poultry can produce a class of antibodies called IgY.

When injected into the human body, IgY does not cause allergies or trigger an immune response. Serum and eggs of poultry contain IgY.

Since a hen produces about 300 eggs per year, a large amount of IgY antibodies can be provided.

 

 

Can eggs be used to produce COVID-19 antibodies?

 

Gallardo and his collaborators gave the hens two doses of three different Covid-19 vaccines.

They measured antibody levels in the hens’ serum and egg yolks 3 and 6 weeks after the last vaccine injection.

 

The antibody’s ability to infect human cells was tested by the National Center for Biosecurity and Infectious Diseases at George Mason University.

 

Antibodies in both egg and hen serum can “recognize” the new coronavirus. Antibodies in serum were better at neutralizing the virus, possibly due to higher levels of antibodies in serum.

 

Can eggs be used to produce COVID-19 antibodies?

 

 

Gallardo’s collaborators on the project include Daria Mochly-Rosen of Stanford University and Michael Wallach of the University of Technology Sydney.

They hope the antibody can be used as a preventive drug for people at risk of exposure to the new coronavirus.

 

 

 

Can eggs be used to produce COVID-19 antibodies?

(source:internet, reference only)


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