Duality Vaccination through Nanodesign of Click-Ligated B-Cell Inhibitory Receptor Bridging

Duality vaccination using click-ligated porous dodecahedral nanocages and SpyMask-gated bispecific inhibitory assemblies programs antibody targeting by delivering activating and inhibitory stimuli together.

• Why it matters: Antibody quality varies widely, and current nanoparticle designs do not reliably steer responses toward beneficial neutralization while limiting undesired B cell activity.
• What they did: Activating immunogens were built by click biology with spontaneous amidation on plug-and-display porous dodecahedral nanocages, while inhibitory immunogens used SpyMask protease-gated bispecific assembly to bridge B cell receptors to immune checkpoint receptors.
• The result: Temporal and spatial separation plus tuning of valency, linker flexibility, and adjuvant delivery (including model targets and coronavirus antigens) shows nanodesign features can logic-gate in vivo antibody outputs toward down-modulating undesired B cell responses.

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