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Intestinal mucosal defense system, Part 2. Probiotics and prebiotics
Teresa Murguía-Peniche1, Walter A Mihatsch, Jaime Zegarra
1National Center for Child and Adolescent Health (CeNSIA), Mexico City, Mexico. teresamurguiap@gmail.com
Insights
The gut microbiome influences infant health, but more research is needed on probiotics for preterm infants. Current evidence is insufficient to recommend routine use due to safety concerns.
Area of Science:
- Microbiology
- Neonatal Medicine
- Gastroenterology
Background:
- The infant gut microbiome plays a crucial role in health and development.
- Probiotics and prebiotics are explored for their potential benefits in infant nutrition.
- Safety and efficacy in vulnerable populations like preterm infants require careful evaluation.
Purpose of the Study:
- To review the current understanding of the infant gut microbiome and its impact on health.
- To assess the potential benefits and risks of probiotic, prebiotic, and synbiotic interventions in preterm infants.
- To identify gaps in knowledge regarding the use of these ingredients in neonatal care.
Main Methods:
- Literature review of studies on infant gut microbiota, probiotics, prebiotics, and synbiotics.
- Analysis of existing clinical trial data focusing on preterm infants.
- Evaluation of safety data, including sepsis, immunomodulatory effects, and antibiotic resistance.
Main Results:
- Infant gut microbiota composition is linked to various health outcomes.
- Probiotics may offer protective mechanisms against intestinal and systemic infections.
- Limited well-designed studies exist for preterm infants, and safety concerns like sepsis persist.
Conclusions:
- While promising, the routine use of probiotics, prebiotics, or synbiotics in preterm infants is not currently supported by sufficient evidence.
- Further high-quality research is necessary to establish safety and efficacy.
- Individualized approaches may be needed, considering specific clinical contexts and infant needs.
Abstract:
The interplay between microorganisms and the intestine of newborn infants is associated with diverse functional and clinical outcomes that result from the specific interactions among microbial communities, their products, and the unique characteristics of the gastrointestinal tract. Multiple mechanisms of action for infant formula ingredients with probiotic activity appear to exist. These mechanisms are thought to protect the host not only from intestinal diseases but also from systemic infection. However, questions about the safety of probiotics for preterm infants remain unanswered, particularly with regard to sepsis, immunomodulatory effects, and microbial resistance. Few well-designed studies have been conducted to evaluate the effects of probiotic, prebiotic, and synbiotic ingredients on relevant clinical outcomes in preterm infants. Although existing data are encouraging, there is insufficient evidence to recommend the routine use of these ingredients in all preterm infants.
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