August 16, 2025

Assessing the structural boundaries of broadly reactive antibody interactions with diverse H3 influenza hemagglutinin proteins.

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Investigation of broadly reactive antibodies' binding to H3 influenza hemagglutinin, highlighting implications for vaccine effectiveness.

Broadly reactive antibodies exhibit significant binding to diverse H3 hemagglutinin proteins, suggesting potential for universal vaccine strategies.
Key findings include the detailed binding characteristics of three broadly neutralizing antibodies to 18 hemagglutinin variants from nearly 50 years of influenza evolution.
This analysis utilized cryo-electron microscopy and X-ray crystallography to uncover structural details critical for the binding interactions.
The research indicates the importance of understanding antibody interactions for developing next-generation influenza vaccines amid circulating strains.

Dzimianski et al. (2025) studied this question.

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