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A Method for Targeted 16S Sequencing of Human Milk Samples
Published on: March 23, 2018
Oligosaccharides in human milk: structural, functional, and metabolic aspects
1Institut für Ernährung, Universität Giessen, 35392 Giessen, Germany. clemens.kunz@ernaehrung.uni-giessen.de
Annual Review of Nutrition
|August 15, 2000
Summary
Human milk oligosaccharides (HMOs) may prevent pathogen attachment in infants by acting as soluble receptors. Further research is needed to understand HMO metabolism in the infant gut for improved infant nutrition.
Area of Science:
- Human milk oligosaccharides (HMOs)
- Infant nutrition
- Microbial interactions
Background:
- HMO research spans a century, from identifying growth factors for infant gut flora to understanding their role in preventing pathogen attachment.
- Cell adhesion molecules in human milk share carbohydrate sequences with epithelial cells, suggesting a mechanism for pathogen recognition and inhibition.
- HMOs may function as soluble receptors, binding to pathogens and enhancing infant resistance.
Purpose of the Study:
- To explore the potential of human milk oligosaccharides (HMOs) as soluble receptors against pathogenic microorganisms.
- To investigate the metabolic fate of HMOs within the infant gastrointestinal tract.
- To determine the extent of oligosaccharide processing by intestinal enzymes and epithelial cells.
Main Methods:
- Literature review on historical and recent findings concerning HMOs.
- Analysis of proposed mechanisms for HMO-pathogen interactions.
- Identification of knowledge gaps regarding HMO metabolism in the gut.
Main Results:
- HMOs exhibit structural similarities to cell surface carbohydrates, facilitating interactions with pathogens.
- HMOs are hypothesized to prevent pathogen adhesion to epithelial cells, acting as decoys.
- The metabolism and processing of HMOs in the infant gastrointestinal tract remain largely uncharacterized.
Conclusions:
- HMOs play a crucial role in infant health by potentially inhibiting pathogen colonization.
- Understanding HMO metabolism is essential for optimizing infant nutrition and harnessing the full benefits of breastfeeding.
- Further research is required to elucidate the complex interactions and metabolic pathways involving HMOs in the infant gut.
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