ArticleiScience2025
Integrated 'omics analysis reveals human milk oligosaccharide biosynthesis programs in human lactocytes.
Article in iScience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Programmable HMO biosynthesis enabled by human cell-based glycoengineering.Glycobiology · 2026Article
- Biosynthesis of human milk oligosaccharides (HMOs) in glycoengineered human cells.Glycobiology · 2026Article
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11 authors.
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Abstract
Human milk oligosaccharides (HMOs) are integral to infant health. Yet, their complex biosynthesis pathways in the mammary gland during lactation remain under-characterized. To address this knowledge gap, we performed integrated analyses of single-cell RNA-sequencing (scRNA-seq) datasets combined with select HMO concentration measures. We identify differential expression patterns of known HMO synthesis genes in epithelial subsets and nominate several candidate genes that vary with HMO concentration. Additionally, we identify novel gene patterns and transcription factors that may regulate the expression of HMO biosynthesis genes and the cellular pathways supporting HMO production. Finally, we demonstrate that co-expression of HMO synthesis genes and milk fat synthesis genes is limited, suggesting that distinct epithelial cell subtypes may be responsible for the production of different milk components. Our study suggests that HMO synthesis may be achieved through cell-type specialization within the lactocyte compartment.
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