Researchers first found antibodies in people who had mpox or who had been vaccinated. The team in Italy identified a set of antibodies in blood samples. A second team at a US university used the AlphaFold 3 AI model to predict which viral surface proteins the antibodies attach to.
The AI predicted that several antibodies bind to a protein called OPG153. Laboratory tests confirmed the prediction. When researchers gave an engineered version of that protein to mice, the animals produced antibodies that neutralized the virus. The finding could lead to a simpler vaccine ingredient or to antibody treatments.
Difficult words
- antibody — molecules the immune system makes to fight infectionantibodies
- vaccinate — give a vaccine to protect from a diseasevaccinated
- predict — say what will happen before it is knownpredicted
- protein — a natural molecule in cells with many jobsproteins
- bind — stick to something tightly or join together
- neutralize — make a virus or poison not able to harmneutralized
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Discussion questions
- Do you think a simpler vaccine ingredient is a good idea? Why or why not?
- How do you feel about using AI to help find parts for vaccines?
- Have you or someone you know been vaccinated? What was your experience?
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