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DIGITAL.CSIC
Article . 2021
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Proyecto internacional inspire: ¿Qué es normal en la leche humana? (i). Oligosacáridos de la leche humana

Authors: McGuire, Michelle K.; Meehan, Courtney L.; Ruíz García, Lorena; Mínguez, J.; Legarra, K.; Checa, María de los Ángeles; Manzano, S.; +4 Authors

Proyecto internacional inspire: ¿Qué es normal en la leche humana? (i). Oligosacáridos de la leche humana

Abstract

[ES] La leche humana es un fluido complejo, compuesto por una amplia variedad de sustancias, entre las que se incluyen nutrientes y otros componentes bioactivos. Los datos disponibles en la actualidad sugieren que, en condiciones fisiológicas, el número y la concentración de estas sustancias pueden variar en función de muchos factores (base genética, etnia, localización geográfica, dieta, tiempo posparto...). En este contexto, el objetivo del proyecto internacional INSPIRE era conocer la variabilidad natural en la composición de la leche humana entre mujeres sanas que difieren en cuanto a su localización geográfica, etnia, dieta y situación socioeconómica, que se reflejan en la existencia de grandes diferencias en los factores ambientales, microbiológicos y socioculturales relacionados con la crianza y el entorno del recién nacido. En este artículo se muestra el diseño general del estudio y los resultados obtenidos con los oligosacáridos de la leche humana (HMO), uno de los componentes mayoritarios en este fluido biológico, con funciones biológicas muy relevantes para la salud infantil. Los resultados muestran un claro efecto de la cohorte (p <0,05) sobre las concentraciones de casi todos los HMO. Además, la edad materna, el tiempo posparto, el peso y el índice de masa corporal se correlacionaron con varios HMO. Por otra parte, se observaron diferencias en el perfil de HMO entre poblaciones étnicamente similares pero que viven en lugares diferentes, lo que sugiere que los factores medioambientales pueden desempeñar un papel en la regulación de la síntesis de los diferentes HMO.

[EN] Human milk is a complex fluid composed of a wide variety of substances. The data currently available suggest that, under physiological conditions, the number and concentration of these substances can vary depending on many factors (genetic background, ethnicity, geographic location, diet, postpartum time...). In this context, the aim of the INSPIRE project was to know the natural variability in the composition of human milk among healthy women that differ in their geographical location, ethnicity, diet and socio-economic situation. This article shows the general design of the study and the results obtained regarding human milk oligosaccharides (HMOs), one of the major components in this biological fluid and whose biological functions are very relevant to infant health. The results show a clear effect of the cohort (p <0.05) on the concentrations of almost all HMOs. In addition, maternal age, postpartum time, weight and body mass index were correlated with several HMOs. On the other hand, differences were observed in the profile of HMOs between populations that are ethnically similar but live in different places, which suggests that the environment may play a role in the regulation of the biosynthesis of certain HMOs.

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Spain
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Keywords

Leche humana, Lactancia, Human milk, Carbohydrates, Lactation, Oligosaccharides, Hidratos de carbono, Oligosacáridos

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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