Injection of Antibodies against Immunodominant Epitopes Tunes Germinal Centers to Generate Broadly Neutralizing Antibodies.
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Authors
Meyer-Hermann, MichaelIssue Date
2019-10-29
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Show full item recordAbstract
Broadly neutralizing antibodies are crucial for the control of many life-threatening viral infections like HIV, influenza, or hepatitis. Their induction is a prime goal in vaccine research. Using computer simulations, we identify strategies to promote the generation of broadly neutralizing antibodies in natural germinal center (GC) reactions. The simulations predict a feedback loop based on antibodies and memory B cells from previous GC reactions that promotes GCs to focus on new epitopes. Memory-derived or injected antibodies specific for immunodominant epitopes control epitope availability, suppress the participation of memory B cells in the GC reaction, and allow for the evolution of other B cells to affinity mature for hidden or rare epitopes. This defines a natural selection mechanism for GC B cells to concentrate on new epitopes rather than refine affinity to already-covered epitopes. This principle can be used for the design and testing of future therapies and vaccination protocols.Citation
Cell Rep. 2019 Oct 29;29(5):1066-1073.e5. doi: 10.1016/j.celrep.2019.09.058.Affiliation
BRICS, Braunschweiger Zentrum für Systembiologie, Rebenring 56,38106 Braunschweig, Germany.Publisher
ElsevierJournal
Cell ReportsPubMed ID
31665624Type
ArticleLanguage
enISSN
2211-1247ae974a485f413a2113503eed53cd6c53
10.1016/j.celrep.2019.09.058
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