Abundant human beta-defensin-1 expression in milk and mammary gland epithelium.
basic_science · Level V
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- Record sourced from PubMed, PMID 11148522.
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Abstract
Human beta-defensin-1 (HBD-1) was detected in breast milk in concentrations of approximately 1 to 10 microg/mL. Breast tissue during lactation showed HBD-1 expression in mammary gland epithelia and within luminal secretions. The peptide demonstrated antimicrobial activity against Escherichia coli. HBD-1 may augment neonatal host defenses through antimicrobial effects or prime the adaptive immune system at mucosal surfaces.
Medical subject headings
- Breast
- Milk, Human
- beta-Defensins