Vaccine Design
Vaccine Design - Related Videos
01:51
Vaccinations
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2019
Overview Vaccination is the administration of antigenic material from pathogens to confer immunity against a specific microorganism. Vaccination primes the immune system to recognize and mount an immune response faster and more effectively if the real pathogen is encountered. Vaccinations are one of the most efficient ways to protect both individual humans and the general public from disease. A growing anti-vaccination skepticism risks the successes of vaccination programs that helped reduce...
06:17
Expression and Purification of Virus-like Particles for Vaccination
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Cited by 27 •
2016
Here, we present a protocol for synthesizing virus-like particles using either baculovirus or mammalian expression systems, and ultracentrifugation purification. This highly customizable approach is used to identify viral antigens as vaccine targets in a safe and flexible manner.
07:33
Intralymphatic Immunotherapy and Vaccination in Mice
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Cited by 18 •
2014
Prophylactic and therapeutic vaccination often fails to stimulate strong immune responses due to week drainage of the vaccine to lymph nodes and consequently poor involvement of immune cells. By direct injection of vaccine to lymph nodes, so-called intralymphatic injection, vaccine efficacy can be strongly improved and vaccine doses can be reduced.
01:50
Preparation of a Nanoemulsion Adjuvant Vaccine
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2025
This video demonstrates the production of nanoemulsion tumor vaccines. The stable oil reservoir depots carrying synthetic peptides and adjuvants are produced by low-energy nanoemulsion, offering significant promise for tumor immunotherapy.
06:37
Skin Tattooing As A Novel Approach For DNA Vaccine Delivery
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Cited by 6 •
2012
Skin tattooing is a potent and safe way to delivery DNA vaccine intradermally. Here, a DNA plasmid encoding EGFP is delivered by tattooing to the skin of a laboratory mouse, and the expression of EGFP in the skin cells is then inspected by confocal microscopy.
FAQs
Antigen selection determines which features of a pathogen or its harmful products the immune system is trained to recognize. An appropriate antigen must support recognition without causing disease, while also helping initiate the cellular and antibody responses needed for later protection. This choice therefore links the biological target of vaccination with the desired safety and immune outcomes.
The way an antigen is presented affects how effectively antigen-presenting cells can take it up and stimulate B and T lymphocytes. Vaccine design therefore considers not only the antigen itself, but also how it reaches immune cells. Effective presentation supports antibody production and immune memory, strengthening the response available during subsequent pathogen exposure.
Adjuvants and delivery systems can enhance antigen uptake and immune activation. Their purpose is to help the immune system detect and respond to the selected antigen more effectively, rather than to replace that antigen. Incorporating these components requires balancing stronger immune stimulation with the need to maintain a safe immunization that does not cause disease.
After antigen-presenting cells stimulate lymphocytes, B cells contribute to antibody production and T cells participate in the resulting immune response. The process also establishes immune memory, allowing the system to respond more rapidly when the pathogen is encountered later. This faster secondary response is a central desired outcome when assessing protective immunization strategies.
A design workflow begins by selecting an antigen associated with the pathogen or its harmful products. Researchers then determine how to present that antigen and whether an adjuvant or delivery system should enhance uptake and activation. The resulting candidate is considered in relation to safety, immune memory, efficacy, and its potential role in preventing later infection or disease.
Safety requires that immune training occur without causing disease, while efficacy concerns whether vaccination produces a useful protective response. Evaluation therefore examines outcomes such as antibody production, lymphocyte stimulation, immune memory, and faster responses after later exposure. These measures connect laboratory immune findings with the practical question of whether an immunization can provide meaningful protection.
The approach is relevant when researchers seek preventive strategies for emerging or persistent pathogens. It provides a framework for connecting pathogen targets with immune activation, memory, and protection while also considering population-level impact. In this context, vaccine research extends beyond candidate construction to evaluating how safety, efficacy, and broader prevention goals align.