Related Experiment Video
Updated: Apr 14, 2026
08:52
Evaluation of Host-Pathogen Responses and Vaccine Efficacy in Mice
Published on: February 22, 2019
11.6K
Is the gut microbiome key to modulating vaccine efficacy?
Helder I Nakaya1, Oscar Bruna-Romero
1Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil.
Expert Review of Vaccines
|April 28, 2015
Summary
Gut microbes are essential for human health and influence vaccine effectiveness. Modern technologies now allow detailed microbiome analysis to understand this impact on immunity.
Area of Science:
- Microbiome research
- Immunology
- Vaccinology
Background:
- Gut microbes are crucial for human health.
- Vaccination can alter the gut microbiome's balance.
- Gut bacteria positively influence vaccine-induced immunity.
Discussion:
- High-throughput technologies facilitate microbiome characterization in vaccinees.
- Understanding the microbiome's role in vaccine efficacy is a growing research area.
- This research bridges microbiology and immunology to study host-microbe interactions.
Key Insights:
- Gut bacteria significantly impact how well vaccines work.
- Microbiome analysis is becoming more accessible and cost-effective.
- Characterizing the vaccinee microbiome is key to understanding immune responses.
Outlook:
- Future research will elucidate the precise mechanisms of microbial influence on vaccines.
- Personalized vaccination strategies may emerge based on individual microbiome profiles.
- This field holds promise for enhancing vaccine efficacy through microbiome modulation.
Related Concept Videos
01:29Microorganisms in Medicine and Therapeutics
1.4K
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.
1.4K
01:18Functions of the Gut Microbiota
89
The gut microbiota includes trillions of microorganisms that colonize the human gastrointestinal tract, including bacteria, archaea, viruses, and fungi. This complex ecosystem plays a critical role in maintaining intestinal and systemic health. Most of these microbes inhabit the large intestine, establishing a relatively stable and diverse community that contributes to gut homeostasis through various metabolic, immunological, and protective mechanisms.Dominant bacterial phyla, such as...
89
01:30Development of Human Microbiota
44
The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from...
44
01:51Vaccinations
54.6K
Overview
54.6K
01:21Vaccines
55
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...
55
01:22Gut-Brain Axis
113
The gut–brain axis is a bidirectional communication system that connects the gastrointestinal tract and the brain. This interaction is mediated through multiple pathways, including the vagus nerve, hormonal signals, immune responses, and chemical messengers produced by gut microbes.Microbial Contributions to Brain FunctionGut microbiota contributes significantly to brain function by producing neuroactive compounds. These include neuroactive compounds that influence neurotransmitters such...
113