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Compositional dynamics of the milk fat globule and its role in infant development
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2018 (English)In: Frontiers in Pediatrics, ISSN 2296-2360, Vol. 6, article id 313Article, review/survey (Refereed) Published
Abstract [en]

Human milk is uniquely optimized for the needs of the developing infant. Its composition is complex and dynamic, driven primarily by maternal genetics, and to a lesser extent by diet and environment. One important component that is gaining attention is the milk fat globule (MFG). The MFG is composed of a triglyceride-rich core surrounded by a tri-layer membrane, also known as the milk fat globule membrane (MFGM) that originates from mammary gland epithelia. The MFGM is enriched with glycerophospholipids, sphingolipids, cholesterol, and proteins, some of which are glycosylated, and are known to exert numerous biological roles. Mounting evidence suggests that the structure of the MFG and bioactive components of the MFGM may benefit the infant by aiding in the structural and functional maturation of the gut through the provision of essential nutrients and/or regulating various cellular events during infant growth and immune education. Further, antimicrobial peptides and surface carbohydrate moieties surrounding the MFG might have a pivotal role in shaping gut microbial populations, which in turn may promote protection against immune and inflammatory diseases early in life. This review seeks to: (1) understand the components of the MFG, as well as maternal factors including genetic and lifestyle factors that influence its characteristics; (2) examine the potential role of this milk component on the intestinal immune system; and (3) delineate the mechanistic roles of the MFG in infant intestinal maturation and establishment of the microbiota in the alimentary canal.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2018. Vol. 6, article id 313
Keywords [en]
milk fat globule, milk fat globule membrane, infant development, gut maturation, microbiota, immune system
National Category
Pediatrics
Identifiers
URN: urn:nbn:se:umu:diva-153702DOI: 10.3389/fped.2018.00313ISI: 000448124200001OAI: oai:DiVA.org:umu-153702DiVA, id: diva2:1268254
Available from: 2018-12-05 Created: 2018-12-05 Last updated: 2018-12-05Bibliographically approved

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Hernell, Olle

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