Mother’s Milk May Work As Well As Vaccination For Newborns  

8 Oct, 2016 18:54 IST|Sakshi
Vaccinations for infants

New York: Mother's milk may boost the immunity of a newborn in such a way that it may work against certain diseases like tuberculosis (TB) just as vaccination does, suggests new research.

Scientists have long understood that mother's milk provides immune protection against some infectious agents through the transfer of antibodies, a process referred to as "passive immunity."

The new research, published in the Journal of Immunology, showed that mother's milk also contributes to the development of the baby's own immune system by a process the team calls "maternal educational immunity."

Specific maternal immune cells in the milk cross the wall of the baby's intestine to enter an immune organ called the thymus. Once there, they "educate" developing cells to attack the same infectious organisms to which the mother has been exposed.

"While our work has used mouse models because we can study the process in detail this way, we do know that milk cells cross into human babies as well," Walker pointed out.

The researchers showed that you can vaccinate the mother and this results in vaccination of the baby through this process. One of the infectious agents the research team studied was the organism that causes tuberculosis. Generally, babies directly vaccinated against TB do not have a very good response.

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