Publicação: Role of maternal milk in providing a healthy intestinal microbiome for the preterm neonate
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CNPQ::CIENCIAS DA SAUDE::ENFERMAGEM
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Menezes, Ralciane de Paula
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The immature gastrointestinal tract of preterm neonates leads to a delayed and distinctive establishment of the gut microbiome, making them susceptible to potentially pathogenic bacteria and increasing the risk of infections. Maternal milk, recognized as the optimal source of nutrition, plays a multifaceted role in modulating the gut microbiome of premature newborns. Human milk oligosaccharides, acting as prebiotics, provide essential nourishment for key bacteria such as Bifidobacterium, contributing to the proliferation of beneficial bacterial populations. Additionally, maternal milk is rich in Immunoglobulins that stimulate immune cell responses, providing protective effects on the infant’s gut mucosa. Moreover, bioactive proteins such as secretory immunoglobulin A (SIgA), lactoferrin, lysozyme, and mucins play a crucial role in defending against pathogens and regulating the immune system at the cellular level. These proteins contribute not only to infection prevention but also emphasize the impact of breast milk in fortifying the body’s innate defenses. This multifaceted role of maternal milk, including essential nutrients, beneficial bacteria, and bioactive proteins, highlights the importance of promoting the mother’s own milk feeding in the Neonatal Intensive Care Unit
(NICU). It not only optimizes the long-term outcomes and well-being of preterm infants but also provides a holistic approach to their health and development.
Abstract
The immature gastrointestinal tract of preterm neonates leads to a delayed and distinctive establishment of the gut microbiome, making them susceptible to potentially pathogenic bacteria and increasing the risk of infections. Maternal milk, recognized as the optimal source of nutrition, plays a multifaceted role in modulating the gut microbiome of premature newborns. Human milk oligosaccharides, acting as prebiotics, provide essential nourishment for key bacteria such as Bifidobacterium, contributing to the proliferation of beneficial bacterial populations. Additionally, maternal milk is rich in Immunoglobulins that stimulate immune cell responses, providing protective effects on the infant’s gut mucosa. Moreover, bioactive proteins such as secretory immunoglobulin A (SIgA), lactoferrin, lysozyme, and mucins play a crucial role in defending against pathogens and regulating the immune system at the cellular level. These proteins contribute not only to infection prevention but also emphasize the impact of breast milk in fortifying the body’s innate defenses. This multifaceted role of maternal milk, including essential nutrients, beneficial bacteria, and bioactive proteins, highlights the importance of promoting the mother’s own milk feeding in the Neonatal Intensive Care Unit
(NICU). It not only optimizes the long-term outcomes and well-being of preterm infants but also provides a holistic approach to their health and development.
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Preterm neonate, Maternal milk, Gut microbiome, Infections
Citação
NATAL, Ana Catarina de Castro, et. al. Role of maternal milk in providing a healthy intestinal microbiome for the preterm neonate. 2025. 8 f. Trabalho de Conclusão de Curso (Graduação em Enfermagem) – Universidade Federal de Uberlândia, Uberlândia, 2026. DOI https://doi.org/10.1038/s41390-024-03751-x.
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