Related Experiment Video
Updated: Dec 17, 2025

07:44
Fabrication of Pulsatile Polymeric Microparticles Encapsulating Rabies Antigen
Published on: May 12, 2023
1.5K
Is There an Optimal Formulation and Delivery Strategy for Subunit Vaccines?
1School of Pharmacy, University of Otago, Dunedin, 9054, New Zealand.
Pharmaceutical Research
|July 6, 2016
Summary
Modern vaccines use subunit antigens, which require advanced delivery systems and immune stimulants for effectiveness. This review explores strategies for delivering these subunit vaccines and their impact on immune responses.
Area of Science:
- Vaccinology
- Immunology
- Biotechnology
Background:
- Modern vaccine development shifts towards subunit vaccines over whole-pathogen approaches.
- Subunit antigens often exhibit poor bioavailability, stability, and immunogenicity.
- Effective subunit vaccines necessitate suitable delivery systems and immune stimulants.
Purpose of the Study:
- To review strategies for delivering prophylactic and therapeutic subunit vaccines.
- To discuss the impact of various delivery systems and immunization routes on immune responses.
Main Methods:
- Literature review of vaccine delivery systems.
- Analysis of different routes of immunization.
- Discussion of antigen delivery mechanisms and immune cell interactions.
Main Results:
- Various delivery systems enhance antigen bioavailability, stability, and immunogenicity.
- Delivery systems can increase antigen delivery and sustain antigen release to immune cells.
- Route of immunization significantly influences the resulting immune response.
Conclusions:
- Optimized delivery systems and immunization routes are crucial for effective subunit vaccine development.
- Understanding delivery mechanisms informs the design of next-generation prophylactic and therapeutic vaccines.
- Tailoring delivery strategies can enhance immunogenicity and clinical efficacy of subunit vaccines.

