subject: breast milk

Human Milk Reduces Gut Inflammation after Bone Marrow Transplant

Human Milk Reduces Gut Inflammation after Bone Marrow Transplant

The human newborn’s gastrointestinal (GI) tract is immature and heavily reliant on components from human milk to successfully adapt to the novel challenges of life outside of the uterus. Recent research has highlighted the important role of milk’s bioactive components in establishing a healthy gut microbiome. Starting life off with the right mix of bacteria in the GI tract is essential not only for the development of the gut but also for mucosal immunity. It is so essential, in fact, the gut microbiome has been referred to as an ancillary immune organ. Read More...

Antibody Type, Specificity, and Source Influence Their Survival in the Infant Gut

Antibody Type, Specificity, and Source Influence Their Survival in the Infant Gut

Maternal antibodies play an important role in protecting newborns from harmful pathogens. Antibodies known as immunoglobulins (Igs) are transferred from the mother’s placenta into the fetus, where they protect the infant while the infant’s immune system is still developing, Human milk also contains many different Igs, such as IgA, IgM, IgG, and secretory forms of IgA and IgM. Consuming human milk provides additional immune protection to infants and has been shown to reduce the risk of infectious diseases. Read More...

The Fifteen Lives of Mammary Cells

The Fifteen Lives of Mammary Cells

How do mammary cells change and gain the ability to make milk at each birth? Scientists, at present, only have fragmentary information and little detail about the hierarchy of mammary cells contributing to the lactation cycle beginning at each pregnancy. A cellular hierarchy is like a family tree. It shows the relationships between different types of cells i.e., who begat whom. Knowledge of cellular hierarchies in mammary tissue could help answer many difficult questions. Which cells (progenitor cells) give rise to the cells that make milk or cells that form part of the mammary tissue structure supporting lactation? How do mammary epithelial cells cease producing milk after weaning? Which mammary cells develop into breast cancer and why? Recently, a group of investigators produced a massive molecular resource that may help answer these and many other questions relating to mammary tissue function. Importantly, the investigators made the resource available to all scientists to maximize its potential for additional discoveries. Read More...

The Bitterness of the Maternal Diet Influences the Bitterness of Human Milk

The Bitterness of the Maternal Diet Influences the Bitterness of Human Milk

Human milk is known to provide a variety of nutrients that aid infants’ growth and development and are beneficial to their health. But as children grow a little older, they often don’t meet recommended dietary guidelines, particularly when it comes to eating enough fruits and vegetables. Read More...

New Milk Biomarkers Predict Preterm Infant Growth

New Milk Biomarkers Predict Preterm Infant Growth

A current trend in the marketing of healthy foods and drinks is highlighting a product’s short ingredient list; the less “stuff” in a food, the healthier it must be, right? This may be true for energy bars or fruit juices, but when it comes to human milk, a long list of ingredients is precisely what makes it optimal for infant health. Over the last decade, as the health food aisle has increased in so-called simple and clean foods, human milk’s ingredient list just keeps getting more complicated. Innovations in analytical tools have led to more in-depth studies detailing the specific types of fats, amino acids, sugars, and other metabolites present in human milk. Creating milk “–omes”—specifically, the milk metabolome, glycome, and lipidome—complicates human milk research in the best possible way, opening the door to identifying specific milk components that influence infant growth and development. Read More...

Feeding the Preterm Infant: Fresh or Processed Breastmilk?

Feeding the Preterm Infant: Fresh or Processed Breastmilk?

This is the million-dollar question when it comes to feeding those infants that are born the most vulnerable. Preterm infants are entirely dependent for their survival on the level of medical care offered to them. Amongst the important decisions to be made by health professionals as to how a baby born preterm will survive is how and what this baby will be fed. Currently, the standard practice in the neonatal intensive care unit (NICU) is to feed preterm babies frozen mother’s own milk, pasteurized donor milk and/or formula, depending on what is available. However, a ground-breaking study by Sun and colleagues has now challenged this well-accepted but poorly researched dogma, showing that fresh mother’s own milk (non-refrigerated, non-frozen, completely unprocessed) is the most beneficial for the preterm baby, just as it is for the term baby. Read More...

Maternal Probiotic Consumption Affects the Oligosaccharides in Mother’s Milk

Maternal Probiotic Consumption Affects the Oligosaccharides in Mother’s Milk

These days, the health-giving properties of human milk oligosaccharides, or HMOs, are much appreciated. The medium-length sugars, which are the most common component of human milk after water, lactose and lipids, are not metabolized by infants. Instead, they have diverse non-nutritive roles, such as protecting infants against invading microbes, and encouraging the proper development of the growing gut. It is well established that different women secrete different collections of HMOs in their milk, and until very recently, genetics was understood to hold complete sway over this, dictating the various types and relative amounts of the various HMOs that a woman produces. In a recent issue of JAMA Pediatrics, however, Antti E. Seppo of the University of Rochester Medical Center, in New York, and his colleagues, report that women who consumed probiotics have altered blends of HMOs in their milk. Read More...

Infants Gain More Weight When Bottle Fed Mom’s Milk

Infants Gain More Weight When Bottle Fed Mom’s Milk

If you want to understand how an infant’s diet influences its health, you might ask, “What did the infant eat?” But the results of a new study on infant diet and weight gain suggest that this simple question is no longer sufficient; in addition to asking what, we need to be asking how, and for how long. Newly published results from over 2,500 mother-infant pairs demonstrate that the longer a mother is able to directly provide breast milk, the more closely the infant’s rate of weight gain over the first 12 months of life matches the World Health Organization’s (WHO) standards. Considering the prevalence of pumping among many breastfeeding mothers, these novel findings shouldn’t be reported without consideration of the many positive outcomes associated with feeding expressed breast milk. Read More...

Even to the Brain: Yes, Breastmilk Stem Cells Do Transfer to Organs of Offspring

Even to the Brain: Yes, Breastmilk Stem Cells Do Transfer to Organs of Offspring

What would you think if you were told that your baby is part of your body? Literally. Or that you are actually part of your baby’s body? Yes, literally. As much as it sounds more of an emotional expression of love between the mother and her baby, some of the cells that contain all our genetic information (not half) are indeed exchanged between the mother and her baby, remaining alive and active in each other’s bodies for at least…decades. And although this reciprocally occurs during pregnancy via the placenta, it also continues to a large extent during breastfeeding. After all, as Barinaga beautifully exclaimed in 2002, mother’s love is enduring. Read More...

Milk is Alive with Mom’s Cells

Milk is Alive with Mom’s Cells

Surprises upturn accepted routines and demonstrate how little we really know. A new class of immune cell type, innate lymphoid cells (ILCs), was recently and unexpectedly discovered in fresh breast milk, and it promises to radically alter scientists’ understanding of how milk protects babies from infections, and possibly much more. The ground-breaking scientific paper [1] describing this discovery was recently published in the prestigious Journal of the American Medical Association - Paediatrics by Babak Baban and three colleagues from Augusta University. The paper has the modest but revealing title “Presence and Profile of Innate Lymphoid Cells in Human Breast Milk.” Read More...

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