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Related Concept Videos

Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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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.
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Vaccinations01:51

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Cancer Vaccines01:30

Cancer Vaccines

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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...
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Development of Immunocompetence01:22

Development of Immunocompetence

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The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
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Preclinical Development: Overview01:28

Preclinical Development: Overview

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Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
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Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

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An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and...
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Related Experiment Video

Updated: Aug 7, 2025

Evaluating the Immune Response of a Nanoemulsion Adjuvant Vaccine Against Methicillin-Resistant Staphylococcus aureus MRSA Infection
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New-age vaccine adjuvants, their development, and future perspective.

Shailendra Kumar Verma1, Pooja Mahajan2, Nikhlesh K Singh3

  • 1School of Biotechnology, Jawaharlal Nehru University, New Delhi, India.

Frontiers in Immunology
|March 13, 2023
PubMed
Summary

Developing novel adjuvants is crucial for enhancing vaccine effectiveness against infectious diseases. These substances improve immune responses, addressing limitations in current vaccines and offering protection against diverse pathogens.

Keywords:
adjuvantsimmune responseimproved vaccinesinfectious diseasemucosal vaccine

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Area of Science:

  • Vaccinology and immunology
  • Drug development and formulation

Background:

  • Immunization is vital for preventing infectious diseases, but existing vaccines may offer inconsistent protection.
  • Subunit vaccines are safe but often fail to elicit optimal immune responses.
  • There is a critical need for improved vaccine strategies to combat emerging and persistent infectious threats.

Purpose of the Study:

  • To review the necessity of novel vaccine adjuvants.
  • To explore the characteristics and mechanisms of human-compatible adjuvants.
  • To assess the current landscape and future directions of vaccine adjuvant development.

Main Methods:

  • Literature review focusing on vaccinology, immunology, and adjuvant research.
  • Analysis of existing data on vaccine efficacy and adjuvant performance.
  • Synthesis of information on human-compatible adjuvants and their clinical development.

Main Results:

  • Subunit vaccines require adjuvants to enhance immunogenicity.
  • Novel adjuvants hold promise for improving vaccine efficacy and broadening protection.
  • Limited human-compatible adjuvants are approved due to safety and toxicity concerns.

Conclusions:

  • Adjuvants are essential for optimizing vaccine performance, especially for subunit vaccines.
  • Further research into safe and effective human-compatible adjuvants is critical.
  • Development of novel adjuvants is key to addressing challenges in vaccinology, including antigenic diversity and inconsistent protection.