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Related Concept Videos

Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
Cancer Vaccines01:30

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Human Virome01:26

Human Virome

The human body harbors a vast and diverse viral community known as the human virome. The virome includes bacteriophages that infect bacteria, and eukaryotic viruses that infect human cells. Transient dietary and environmental viruses also contribute to this dynamic ecosystem. Estimates suggest the human body may contain on the order of 10¹³ viral particles, though abundance varies widely by body site and detection method.Comprehensive characterization of the virome has become possible only with...
Vaccine Production01:23

Vaccine Production

Vaccine production involves a sequence of upstream and downstream processes to generate a safe and effective immunological product. It begins with cultivating microorganisms, such as viruses or bacteria, to obtain antigenic material. For viral vaccines, mammalian host cells are grown in bioreactors and subsequently infected with the target virus. The virus replicates within the host cells, which are lysed to release viral particles. This lysate is then clarified through filtration or...

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Related Experiment Video

Updated: May 8, 2026

Early Viral Entry Assays for the Identification and Evaluation of Antiviral Compounds
09:29

Early Viral Entry Assays for the Identification and Evaluation of Antiviral Compounds

Published on: October 29, 2015

Advances in antiviral vaccine development.

Barney S Graham1

  • 1NIAID, NIH, Vaccine Research Center, Bethesda, MD 20892-3017, USA. bgraham@nih.gov

Immunological Reviews
|August 17, 2013
PubMed
Summary

Antiviral vaccines have eradicated diseases like smallpox. New technologies and a deeper understanding of antibody responses are enabling rational vaccine design for future viral threats.

Keywords:
monoclonal antibodiesneutralizing antibodystructure-based vaccine designvaccine developmentvaccinesviral immunity

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Area of Science:

  • Virology
  • Immunology
  • Biotechnology

Background:

  • Antiviral vaccines represent a highly successful biomedical intervention for preventing epidemic viral diseases, with historical successes including smallpox and rinderpest eradication.
  • Traditional vaccine development relied on empirical methods, but advancements in cell culture and molecular biology have enabled more sophisticated approaches.
  • Emerging viral pathogens necessitate continuous innovation in vaccine development to address unmet medical needs.

Purpose of the Study:

  • To explore recent technological advancements and their potential to create novel vaccine platforms for challenging viral pathogens.
  • To investigate the integration of antibody isolation, structural biology, and sequencing for atomic-level immunogen design.
  • To outline new strategic approaches for vaccine antigen selection, formulation, and regimen design.

Main Methods:

  • Leveraging gene delivery, expression systems, nanoparticles, protein manufacturing, and adjuvants for new vaccine platforms.
  • Utilizing human monoclonal antibody isolation and structural biology to identify and characterize neutralization epitopes.
  • Employing high-throughput sequencing of antibody repertoires to understand B-cell recognition and affinity maturation processes.

Main Results:

  • Technological convergence offers opportunities for precise immunogen design based on structural insights.
  • Identification of immunodominant antigenic sites through monoclonal antibodies aids in selecting effective vaccine targets.
  • Understanding antibody ontogeny provides requirements for B-cell receptor interactions and affinity maturation.

Conclusions:

  • New strategic approaches enhance the selection of vaccine antigens, formulations, and regimens.
  • Rational vaccine design is facilitated by integrating structural biology and immunological data.
  • Development of a comprehensive vaccine technology catalogue improves preparedness for emerging viral threats.