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Probiotic Studies in Neonatal Mice Using Gavage
Published on: January 27, 2019
[Probiotics, immunity and pediatric health]
1Johns Hopkins University School of Medicine, Baltimore, MD, USA. jose.saavedra@us.nestle.com
Insights
Early bacterial exposure is crucial for infant immune development. Modern lifestyle factors reduce this exposure, potentially leading to immune dysfunction, but probiotics may help restore healthy microbe-host interactions.
Area of Science:
- Immunology
- Microbiology
- Pediatrics
Context:
- Infant immune system development relies on early bacterial stimulation.
- Modern lifestyle factors (reduced vaginal births, formula feeding, antibiotic use, increased hygiene) disrupt crucial microbe-host interactions.
- This disruption is linked to altered immune responses and increased chronic immune-related conditions.
Purpose:
- To summarize the importance of early microbial exposure for immune development.
- To highlight how modern environmental changes impact the infant gut microbiota.
- To discuss the potential role of probiotics in pediatric health.
Summary:
- Early life microbial exposure is vital for developing a robust infant immune system.
- Decreased exposure due to lifestyle changes can lead to immune dysregulation and health issues.
- Probiotics offer a way to enhance beneficial microbe-host interactions, supporting gut health and immune function.
Impact:
- Understanding these interactions is key to addressing the rise in infectious diseases and immune-related disorders in children.
- Probiotics present a therapeutic avenue for improving pediatric immune health and managing related conditions.
- This research emphasizes the need to consider microbial exposures in early life for long-term health outcomes.
Abstract:
Early bacterial stimulation of gut associated immune cells is essential for the development and maturation of the infant's immune response. This "microbial experience" has been affected due to a decrease in vaginal births (which are the first source of bacterial exposure for an infant), the substitution of breast feeding, in favor of almost sterile formulas, an increase use of antibiotics, and an increasingly "cleaner" environment. Increased hygienic measures and pasteurization perpetuate this decreased microbe-host interaction. These changes in environmental and gut microbiota are associated with an altered and inadequate development of immune response, with related health implications. The inadequate host response to infectious diseases, as well as the epidemic of immune related chronic conditions (such as allergy) can be explained in great measure by these changes. The consumption of certain probiotics (specific dietary bacteria that provide a benefit to the host) has positive effects on gut barrier function and immune response. Thus, probiotics are a means of improving host-microbe interactions for health maintenance, and for the management of a number of illnesses. This paper summarizes important aspects of these interactions as well as the role that probiotic bacteria can play in pediatric health.
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