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Related Concept Videos

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...
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...
Vaccinations01:51

Vaccinations

Overview
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.
Active versus Passive Immunity01:31

Active versus Passive Immunity

Immunity, along with the ability to limit pathogen growth to prevent significant body tissue damage, can be gained either by (1) actively developing an immune response within the individual after exposure to a pathogen or after getting vaccinated or (2) passively transferring immune components from an immune individual to one who is nonimmune. Both these forms of immunity can be found naturally and in medical practices.
Active Immunity
Active immunity refers to the resistance one develops...

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Related Experiment Video

Updated: Jul 15, 2026

Expression and Purification of Virus-like Particles for Vaccination
06:17

Expression and Purification of Virus-like Particles for Vaccination

Published on: June 2, 2016

Current approaches to vaccine preparation.

J J Liu, A Cepica

    The Canadian Veterinary Journal = La Revue Veterinaire Canadienne
    |March 1, 1990
    PubMed
    Summary

    New vaccine development utilizes advanced molecular techniques to overcome limitations of conventional vaccines. This next generation of vaccines offers improved efficiency, potency, and safety for animal and human health.

    Area of Science:

    • Veterinary Medicine
    • Immunology
    • Biotechnology

    Background:

    • Conventional vaccines have controlled many economically important infectious diseases in animals and humans.
    • Current vaccine methodologies face limitations in efficiency, potency, and safety.
    • Advances in molecular biology have deepened understanding of disease mechanisms and protective antigens.

    Purpose of the Study:

    • To highlight the limitations of conventional vaccines.
    • To introduce the development of a new generation of vaccines.
    • To discuss the role of molecular techniques in modern vaccine design.

    Main Methods:

    • Utilizing knowledge of pathogenetic mechanisms and protective antigens at the molecular level.
    • Employing recombinant DNA and protein engineering techniques.

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    Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes
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    Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes

    Published on: December 19, 2020

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    Last Updated: Jul 15, 2026

    Expression and Purification of Virus-like Particles for Vaccination
    06:17

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    Published on: June 2, 2016

    Cell-Free Scaled Production and Adjuvant Addition to a Recombinant Major Outer Membrane Protein from Chlamydia muridarum for Vaccine Development
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    Cell-Free Scaled Production and Adjuvant Addition to a Recombinant Major Outer Membrane Protein from Chlamydia muridarum for Vaccine Development

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    Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes
    13:53

    Homogeneous Glycoconjugate Produced by Combined Unnatural Amino Acid Incorporation and Click-Chemistry for Vaccine Purposes

    Published on: December 19, 2020

  • Identifying and preparing purified immunogens or isolated epitopes.

    • Main Results:

    • Facilitated a rapid increase in knowledge of disease mechanisms and protective antigens.
    • Provided the basis for developing a new generation of vaccines.
    • Development of vaccines containing purified immunogens or isolated epitopes.

    Conclusions:

    • Molecular biological techniques are essential for developing next-generation vaccines.
    • New vaccines aim to improve efficiency, potency, and safety over conventional ones.
    • Research continues on enhanced delivery systems and adjuvants for improved vaccine performance.