Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Vaccination with prefusion-stabilized respiratory syncytial virus fusion protein induces genetically and antigenically diverse antibody responses

Maryam Mukhamedova, Daniel Wrapp, Chen‐Hsiang Shen, Morgan S. A. Gilman, Tracy J. Ruckwardt, Chaim A. Schramm, Larissa Ault, Lauren A. Chang, Alexandrine Derrien-Colemyn, Sarah Lucas, Amy Ransier, Samuel Darko, Emily Phung, Lingshu Wang, Yi Zhang, Scott A. Rush, Bharat Madan, Guillaume B. E. Stewart-Jones, Pamela Costner, LaSonji A. Holman, Somia P. Hickman, Nina M. Berkowitz, Nicole A. Doria‐Rose, Kaitlyn M. Morabito, Brandon J. DeKosky, Martin R. Gaudinski, Grace Chen, Michelle C. Crank, John Misasi, Nancy J. Sullivan, Daniel C. Douek, Peter D. Kwong, Barney S. Graham, Jason S. McLellan, John R. Mascola

Immunity · 2021

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Summary

This clinical immunogenicity study evaluated how structural stabilisation of the RSV fusion protein influences the diversity and quality of vaccine-induced antibody responses in human subjects. The authors demonstrated substantial genetic and antigenic heterogeneity in induced antibodies, providing mechanistic insight into the relationship between protein engineering, B cell activation, and protective immunity. The findings contribute to rational vaccine design strategies for respiratory viruses by clarifying how conformational stabilisation enhances antibody response breadth.

UK applicability

These findings are relevant to UK vaccine development and immunogenicity assessment protocols, particularly for RSV vaccine candidates under consideration by MHRA and JCVI. The methodological approach to characterising antibody diversity may inform future vaccination strategy evaluation within UK clinical trial frameworks.

Key measures

Antibody sequence diversity, antigenic characterisation, neutralising antibody titre, B cell receptor genetics, vaccine-induced immune response breadth and quality

Outcomes reported

The study characterised the genetic and antigenic diversity of antibody responses induced by a prefusion-stabilised RSV fusion protein vaccine in human subjects. Antibody specificity, breadth and protective mechanisms were analysed through multiple immunological and molecular techniques.

Theme
General food systems / other
Subject
Other / interdisciplinary
Study type
Research
Study design
Human clinical trial
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Human clinical
DOI
10.1016/j.immuni.2021.03.004
Catalogue ID
BFmobghs0w-heq87q

Topic tags

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