Virus glycoprotein nanodisc platform for vaccine analytics.
Rantalainen, K., Liguori, A., Ozorowski, G., Flynn, C., Steichen, J.M., Swanson, O.M., Madden, P.J., Baboo, S., Phulera, S., Gharpure, A., Lu, D., Kalyuzhniy, O., Skog, P., Terada, S., Shil, M., Diedrich, J.K., Georgeson, E., Tingle, R., Eskandarzadeh, S., Lee, W.H., Alavi, N., Goodwin, D., Kubitz, M., Amirzehni, S., Himansu, S., Sok, D., Lee, J.H., Yates 3rd, J.R., Paulson, J.C., Crotty, S., Schiffner, T., Ward, A.B., Schief, W.R.(2026) Nat Commun 17
- PubMed: 41667448 Search on PubMedSearch on PubMed Central
- DOI: https://doi.org/10.1038/s41467-026-68985-1
- Primary Citation Related Structures: 
9OGL, 9OGM - PubMed Abstract: 
Transmembrane glycoproteins of enveloped viruses are targets of neutralizing antibodies and essential vaccine antigens. mRNA-LNP technology allows in vivo expression of transmembrane glycoproteins, but in vitro biophysical characterization of transmembrane antigens and analysis of post-immunization antibody responses typically rely on soluble proteins. Here, we present a platform for assembling transmembrane glycoprotein vaccine candidates into lipid nanodiscs. We demonstrate the utility of nanodiscs in HIV membrane proximal external region (MPER)-targeting vaccine development by binding assays using surface plasmon resonance (SPR), ex vivo B cell sorting with fluorescence-activated cell sorting (FACS), and by determining the structure of a prototypical HIV MPER-targeting immunogen nanodisc in complex with three broadly neutralizing antibodies (bnAbs), including MPER bnAb 10E8, to 3.5 Å by cryogenic electron microscopy (cryo-EM), providing a template for structure-based immunogen design. To demonstrate general applicability we characterize Ebola virus glycoprotein nanodiscs. Overall, the platform offers a tool for accelerating development of next-generation vaccines.
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA.
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