subject: bacteria

Microbial Transfer from Mother to Offspring

Microbial Transfer from Mother to Offspring

Until recently, it was thought that the maternal reproductive system is sterile, and that a baby’s first contact with bacteria was during birth while working its way through the birth canal. This long-standing dogma has been challenged by studies demonstrating that almost all tissues in the body are full of germs. Read More...

Breast Milk Antibody Promotes a Healthy Gut into Adulthood

Breast Milk Antibody Promotes a Healthy Gut into Adulthood

Many pediatrics studies have shown that inflammatory bowel disease is more common in infants who are not breast fed than in those who are. But explaining why this is the case has been hard. Recently, Charlotte Kaetzel and her colleagues at the University of Kentucky, Lexington, went further in demonstrating a mechanistic link than any group has done before. They report1 that an antibody (SIgA) transmitted in breast milk from mom to babe alters the expression of genes in infants’ gut epithelial cells. Not only are these genes associated with the development of irritable bowel syndrome, but the changes appear to last into adulthood. Read More...

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