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Molecular Mimicry between Meningococcal B Factor H-Binding Protein and Human Proteins
1Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Bari, Italy.
Global Medical Genetics
|November 29, 2023
Summary
Molecular mimicry can cause autoimmune reactions after meningococcal B vaccination. Researchers caution against using whole antigens for active immunization due to potential adverse events.
Area of Science:
- Immunology
- Vaccinology
Background:
- Adverse events following immunization (AEFIs) are a concern.
- Meningococcal B vaccines are widely used.
Purpose of the Study:
- To investigate the molecular mechanisms behind AEFIs after meningococcal B vaccination.
- To evaluate the safety of using entire antigens in vaccine development.
Main Methods:
- Analysis of molecular mimicry.
- Assessment of autoimmune cross-reactivity.
Main Results:
- Molecular mimicry identified as a key mechanism for AEFIs.
- Autoimmune cross-reactivity demonstrated.
Conclusions:
- Molecular mimicry and autoimmune cross-reactivity can lead to adverse events post-vaccination.
- Whole antigen-based immunization strategies warrant caution.
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