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Bioactive components in preterm and term human milk compared to donor human milk: A pilot study
Charlotte Høyer Rosenbæk1, Pingping Jiang2, Sofie Dahl-Nielsen3
1Hans Christian Andersen's Children's Hospital, Odense University Hospital, Denmark; Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Denmark; Research Center GAIN (Gastrointestinal Diseases and Malformations in Infancy and Childhood), Odense University Hospital, Denmark; OPEN (Open Patient Data Explorative Network), Odense University Hospital, Region of Southern Denmark, Denmark.
Mother's own milk (MOM) from preterm and term mothers is comparable in bioactive components. Donor human milk (DHM) has lower levels of milk fat globule membrane (MFGM) and associated proteins, suggesting reduced bioactive potential for preterm infants.
Area of Science:
- Neonatal Nutrition
- Human Milk Composition
- Bioactive Components
Background:
- Mother's own milk (MOM) is optimal for preterm infants.
- Donor human milk (DHM) is an alternative when MOM is insufficient.
- Processing of DHM may affect its bioactive components.
Purpose of the Study:
- Analyze bioactive components in preterm and term MOM across lactation stages.
- Compare MOM with DHM.
- Investigate levels of total MFGM, MFGM proteins (BA46, CD81, XOD), and lipid composition.
Main Methods:
- Collected colostrum, transitional, and mature milk from mothers of term and preterm infants.
- Analyzed 13 pooled DHM samples.
- Utilized MFGM quantification, Western blotting, and lipidomics.
Main Results:
- Preterm colostrum had lower MFGM than term colostrum; no differences in later stages.
- DHM had significantly lower MFGM and associated proteins (BA46, CD81, XOD) than MOM.
- Preterm milk showed higher sphingomyelin than DHM.
Conclusions:
- Preterm and term MOM are comparable in MFGM, proteins, and lipids.
- DHM has lower MFGM and associated proteins, potentially reducing its bioactive potential.
- Further research needed to confirm DHM's bioactive potential for preterm infants.
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