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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.
1
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: Jun 7, 2025

Evaluating the Immune Response of a Nanoemulsion Adjuvant Vaccine Against Methicillin-Resistant Staphylococcus aureus MRSA Infection
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Tiny but mighty: small molecules as vaccine adjuvants.

Ari Joffe1, Nancy Vázquez-Maldonado1, Kentner L Singleton1

  • 1Division of Allergy, Immunology, and Transplantation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA.

Trends in Pharmacological Sciences
|November 9, 2024
PubMed
Summary
This summary is machine-generated.

Researchers discovered a new small molecule, PVP-037, using high-throughput screening. This novel TLR7/8 agonist can enhance vaccine effectiveness, particularly in aged populations.

Keywords:
TLR7/8structure–activity relationshipvaccine adjuvant

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Area of Science:

  • Immunology
  • Pharmacology
  • Vaccinology

Background:

  • Traditional vaccine adjuvant discovery is being replaced by small molecule (SM) library screening.
  • Developing effective vaccine adjuvants is crucial for enhancing immune responses.

Purpose of the Study:

  • To discover novel small molecule vaccine adjuvants using high-throughput screening (HTS).
  • To identify compounds that can restore or boost vaccine-induced immune responses.

Main Methods:

  • Utilized primary human cells for high-throughput screening of small molecule libraries.
  • Identified and characterized a novel small molecule TLR7/8 agonist.

Main Results:

  • Discovered a novel small molecule TLR7/8 agonist, designated PVP-037.
  • PVP-037 demonstrated efficacy in restoring vaccine-induced immune responses in aged mice.

Conclusions:

  • Small molecule screening with primary human cells is a viable strategy for adjuvant discovery.
  • PVP-037 shows potential as a vaccine adjuvant, particularly for improving responses in elderly individuals.