How does genetics affect the composition of breast milk?
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Genetics plays a significant role in the composition of breast milk. Genetic variations can affect both the quantitative production and qualitative content of human milk . For example, certain genetic variations have been shown to influence the levels of polyunsaturated fatty acids (FAs) in breast milk . The FADS1/2/3 locus has been identified as a key genetic region associated with the composition of breast milk, particularly the levels of arachidonic acid (AA) . Additionally, genetic factors can impact the expression of genes in the lactating mammary gland, which in turn affects the composition of breast milk . These genetic variations and gene expression patterns can have implications for infant growth, development, and overall health . Understanding the genetics of breast milk composition can provide insights into lactation biology and potentially guide personalized approaches to breastfeeding support and intervention .
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| The paper discusses the role of nutrigenomics and nutrigenetics in the fatty acid composition of human milk, but it does not specifically address how genetics affect the composition of breast milk. | |
Open access•Journal Article | The provided paper does not discuss the effect of genetics on the composition of breast milk. |
| Genetics affects the composition of breast milk, as genetic variants in the FADS1/2/3 region are associated with the levels of arachidonic acid (AA) in breast milk. | |
| Genetics affects the composition of breast milk through the expression of genes in the lactating mammary gland, which influences the concentration of human milk oligosaccharides and other components. | |
22 Citations | Genetic variations can affect the quantitative production and qualitative content of human milk, which may impact the infant's growth and development and the mother's breastfeeding experience. |
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