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Related Concept Videos

Vaccinations01:51

Vaccinations

Overview
Vaccines01:21

Vaccines

Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...
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...
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.
Tumor Immunotherapy01:27

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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: Jul 10, 2026

Intratracheal Inoculation of Fischer 344 Rats with Francisella tularensis
06:09

Intratracheal Inoculation of Fischer 344 Rats with Francisella tularensis

Published on: September 30, 2017

Tularemia vaccines - an overview.

Julie A McMurry1, Leonard Moise, Stephen H Gregory

  • 1Epivax, Inc, Providence, RI 02903, USA. jam@epivax.com

Medicine and Health, Rhode Island
|November 21, 2007
PubMed
Summary

Developing a safe tularemia vaccine requires novel approaches. Epitope-based vaccines offer advantages for inducing protective T cell responses against virulent pathogens like Francisella tularensis.

Area of Science:

  • Vaccinology
  • Immunology
  • Microbiology

Background:

  • Francisella tularensis is a highly virulent pathogen that remains poorly understood.
  • Effective vaccines are needed to prevent tularemia, a potentially fatal disease.

Purpose of the Study:

  • To explore the potential of epitope-based vaccines for inducing protective immunity against F. tularensis.
  • To highlight the advantages of epitope-based vaccine platforms for developing novel vaccines.

Main Methods:

  • Review of existing literature on F. tularensis pathogenesis and immune responses.
  • Analysis of the principles and advantages of epitope-based vaccine design.
  • Discussion of correlates of protection, including T cell responses and cytokine production (IFN-gamma, TNF-alpha, IL-12).

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Last Updated: Jul 10, 2026

Intratracheal Inoculation of Fischer 344 Rats with Francisella tularensis
06:09

Intratracheal Inoculation of Fischer 344 Rats with Francisella tularensis

Published on: September 30, 2017

Micro-Colony Forming Unit Assay for Efficacy Evaluation of Vaccines Against Tuberculosis
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Micro-Colony Forming Unit Assay for Efficacy Evaluation of Vaccines Against Tuberculosis

Published on: July 28, 2023

Fabrication of Pulsatile Polymeric Microparticles Encapsulating Rabies Antigen
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Main Results:

  • Correlates of protection against F. tularensis involve strong CD4+ and CD8+ T cell responses.
  • Epitope-based vaccines offer targeted biologic activity and practical manufacturing advantages.
  • Proof-of-principle studies support the efficacy of an epitope-based tularemia vaccine.

Conclusions:

  • Epitope-based vaccine strategies show promise for developing safe and effective vaccines against F. tularensis.
  • This approach may be applicable to other intracellular bacterial pathogens.
  • Further research into epitope-based vaccines is warranted for infectious disease prevention.