health
Pregnancy and Birth
This is why breastfed babies have a better immune system
A study from England examined several dozen breastfeeding women over three years.
During it is found the mechanism that makes the immune system of breastfed babies stronger
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Babies
nursing
immune system
Walla!
health
Wednesday, 27 January 2021, 07:44
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Since the outbreak of the corona epidemic, and the vaccine phase in particular, we hear a lot about the immune system - its strengths and weaknesses.
Now, a new study from England shows a new insight into the biological mechanisms of the long-term positive health effects of breastfeeding in preventing immune system disorders at a later stage.
Breastfeeding is known to have better health outcomes in infancy and adulthood, and previous studies have shown that infants who received breast milk were less likely to develop diseases such as asthma, obesity and autoimmune diseases later in life, compared to those who ate exclusively milk substitutes.
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However, to date, the immune mechanisms responsible for these effects have not been well understood.
In this new study, researchers first discovered that a specific type of immune cell - called regulatory T cells - expands in the first three weeks of life in breastfed infants and is almost twice as high as in formula-fed infants.
These cells also control the baby's immune response against cells passed through breast milk and help reduce inflammation.
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Furthermore, the study - supported by the Center for Surgery and Microbiology of the National Institutes of Health (NIHR SRMRC) - showed that specific bacteria, called Veillonella and Gemella, that support the function of regulatory T cells are more abundant in the intestines of breastfed infants.
The researchers claim that the results of the study, published in the journal Allergy, emphasize the importance of breastfeeding.
Improves the immune system, even in the long run.
Breastfeeding mother (Photo: ShutterStock)
The study's senior editor-in-chief, Gerley Toledo, a researcher at the University of Birmingham and a neonatologist at the NHS Women and Children Foundation, said "the effect of the type of milk obtained on the development of the immune response has not been studied in the first weeks of life. The early stages of this specific cell type in breastfed infants. "
The researchers hope the findings will increase mothers' desire for breastfeeding.
"Furthermore, we hope that these results will contribute to the optimization of the formula of milk substitutes to take advantage of these immune mechanisms."
The study culminates in a unique three-year research project that analyzes data from 38 healthy mothers and their healthy infants.
Small amounts of blood and fecal samples were collected at birth at the Birmingham Women's Hospital and then again during home visits when the infants were three weeks old.
16 of the 38 infants (42 percent) were exclusively breastfed for the duration of the study, while nine infants received mixed feeding, and 13 infants were exclusively fed formula.
Researchers now hope to continue researching this biological mechanism in newborns and yet undeveloped infants who have developed inflammatory complications.
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