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Structure-Based Vaccine Antigen Design.

Barney S Graham1, Morgan S A Gilman2, Jason S McLellan2

  • 1Vaccine Research Center, National Institute of Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20850, USA;

Annual Review of Medicine
|January 30, 2019
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Summary
This summary is machine-generated.

New antigen design strategies, driven by structural insights and advanced technologies, are revolutionizing vaccine development for challenging viruses like respiratory syncytial virus (RSV). This approach promises potent neutralizing antibodies and faster responses to emerging pathogens.

Keywords:
X-ray crystallographycoronaviruselectron microscopyimmunizationinfluenzananoparticle displayplatform technologyrespiratory syncytial virusvaccine development

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Area of Science:

  • Structural biology
  • Immunology
  • Vaccine development

Background:

  • Advancements in antibody identification, protein structure determination, and protein engineering have created new possibilities for antigen design.
  • Human immunodeficiency virus type 1 (HIV-1) vaccine research has spurred the development of these novel vaccine technologies.
  • Respiratory syncytial virus (RSV) presents a critical target for structure-based vaccine design.

Purpose of the Study:

  • To explore the potential of structure-based vaccine design for challenging viral pathogens.
  • To highlight the role of viral surface protein structures in developing effective vaccines.
  • To demonstrate the application of advanced antigen design for emerging infectious diseases.

Main Methods:

  • Utilizing atomic-level structural information of viral surface proteins.
  • Employing precision engineering of protein immunogens and self-assembling nanoparticles.
  • Leveraging rapid identification and selection of human monoclonal antibodies.

Main Results:

  • Structure-based design has enabled the stabilization of class I viral fusion proteins as immunogens.
  • Conformation-dependent epitopes on the RSV fusion glycoprotein are key to inducing potent neutralizing activity.
  • These approaches are crucial for tackling difficult vaccine targets and emerging pathogens.

Conclusions:

  • Structure-based vaccine design, particularly for RSV, is poised for clinical proof-of-concept.
  • Structural information is vital for developing vaccines against diverse and challenging viral pathogens.
  • Advanced antigen design and platform manufacturing are essential for future pandemic preparedness.