The role of breastfeeding for protection against various forms of cancer has become known, but it does not work, it remained a mystery.
Now has a new study, a high level of anti-TNF-cancer-related apoptosis-inducing ligand (TRAIL) in breast milk, which could be a source of anti-tumor activity in breast milk revealed.
The researchers took samples of colostrum, the first milk that the newborn, and mature milk of young mothers. Then the researchers obtained blood samples from healthy women and more ready to feed infant formula.
Colostrum and mature breast milk, formula and blood were then tested all of them to measure their level of TRAIL.
The researchers found that breast milk contains colostrum and 400 - and 100-fold or higher than blood TRAIL. No sign in the formula detected.
"The important role of breastfeeding in the prevention of certain cancers in childhood lymphoblastic leukemia, Hodgkin's disease, and neuroblastoma, it has been shown previously," the researchers wrote.
"However, endogenous soluble TRAIL to explain a strong candidate for the general biological effect of breastfeeding against cancer," he said.
Mothers selected to participate in the study were admissible because they showed no signs of pre-eclampsia, infection or fever, and delivered healthy infants at term.
"To our knowledge this is the first time that TRAIL was measured in colostrum and breast milk. This study showed significantly higher TRAIL in colostrum and breast milk in relation to circulating levels of TRAIL in the serum," conclude the researchers.
The study was published in the Journal of Human Lactation published by SAGE.
Now has a new study, a high level of anti-TNF-cancer-related apoptosis-inducing ligand (TRAIL) in breast milk, which could be a source of anti-tumor activity in breast milk revealed.
The researchers took samples of colostrum, the first milk that the newborn, and mature milk of young mothers. Then the researchers obtained blood samples from healthy women and more ready to feed infant formula.
Colostrum and mature breast milk, formula and blood were then tested all of them to measure their level of TRAIL.
The researchers found that breast milk contains colostrum and 400 - and 100-fold or higher than blood TRAIL. No sign in the formula detected.
"The important role of breastfeeding in the prevention of certain cancers in childhood lymphoblastic leukemia, Hodgkin's disease, and neuroblastoma, it has been shown previously," the researchers wrote.
"However, endogenous soluble TRAIL to explain a strong candidate for the general biological effect of breastfeeding against cancer," he said.
Mothers selected to participate in the study were admissible because they showed no signs of pre-eclampsia, infection or fever, and delivered healthy infants at term.
"To our knowledge this is the first time that TRAIL was measured in colostrum and breast milk. This study showed significantly higher TRAIL in colostrum and breast milk in relation to circulating levels of TRAIL in the serum," conclude the researchers.
The study was published in the Journal of Human Lactation published by SAGE.
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