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[Long-chain polyunsaturated fatty acids in the early development of the human nervous system]
1Pécsi Tudományegyetem, Altalános Orvostudományi Kar, Gyermekgyógyászati Klinika.
Insights
Long-chain polyunsaturated fatty acids (LCPUFA) benefit preterm infant neurodevelopment. Research is ongoing to determine if LCPUFA supplementation is necessary for full-term infants to match cognitive development seen in breast-fed infants.
Area of Science:
- Neuroscience
- Nutritional Science
- Developmental Pediatrics
Context:
- Human milk contains long-chain polyunsaturated fatty acids (LCPUFA), essential for nervous system development.
- Formula-fed infants historically lacked LCPUFA, potentially impacting cognitive and visual development.
- Observational studies noted cognitive differences between breast-fed and formula-fed infants.
Purpose:
- To investigate the impact of LCPUFA supplementation in infant formula on neurodevelopment.
- To compare cognitive and visual outcomes in infants receiving formula with or without LCPUFA.
- To evaluate the necessity of LCPUFA for full-term infants to bridge developmental gaps.
Summary:
- Studies in preterm infants demonstrate clear benefits of LCPUFA supplementation for visual and cognitive functions, leading to recommendations for preterm formulas.
- Research in full-term infants shows mixed results, with some studies indicating improved visual acuity and cognitive test performance with LCPUFA, while others show no significant differences.
- The debate continues regarding the requirement of LCPUFA supplementation in standard infant formulas for full-term infants.
Impact:
- Established the importance of LCPUFA for preterm infant neurodevelopment, influencing formula composition.
- Highlights ongoing research questions regarding LCPUFA's role in optimizing full-term infant cognitive and visual development.
- Informs parental and clinical decisions regarding infant nutrition and developmental outcomes.
Abstract:
The role of long-chain polyunsaturated fatty acids (LCPUFA) in the early development of the human nervous system was put forward by the better cognitive development observed in breast-fed than in formula fed infants in parallel with the presence of LCPUFA in human milk but not in formula. The role of LCPUFA in early human neurodevelopment can be investigated by comparing data obtained in formula fed infants randomly assigned to receive formula with or without LCPUFA. Investigations in preterm infants indicate that the presence of LCPUFA in the formula offers benefits for the early postnatal development of visual and cognitive functions. The unequivocal results obtained in preterm infants led to the recommendation of LCPUFA supplementation to formulae for preterm infants. In several studies in full-term infants, enhanced dietary intake of LCPUFA was accompanied with better visual acuity and better results in various cognitive tests. However, other studies did not show visual or cognitive differences between full-term infants fed formula with or without LCPUFA. It is a question under current debate whether supplementation of LCPUFA to formulae for full-term infants is required to lessen the difference between the intellectual development of breast-fed and formula fed infants.