The American Diabetic Association says that the evidence is clear that the children of obese parents are prone to obesity themselves, placing them at higher risk for type 2 diabetes. How and why this occurs remains a mystery but new evidence shows in utero environment in obese mothers may program a child’s cells to accumulate extra fat or develop differences in metabolism that could lead to insulin resistance.
“One of the questions that needs to be explored is how children of obese mothers may be at risk for becoming obese as a result of factors that occur even before they are born,” said Kristen E. Boyle, PhD, assistant professor at the University of Colorado School of Medicine. “Our study looked at the mechanism by which children may be preprogrammed for increased obesity risk, because of changes occurring in utero.”
Boyle and her team took stem cells from donated umbilical cords of the babies of normal-weight and obese mothers and grew them into fat and muscle cells in the lab. They found 30 percent higher fat content in both types of cells in the offspring of mothers who were obese at their first prenatal visit, compared to the cells of offspring of normal-weight moms. They are continuing to evaluate the data to determine if these cells likewise show evidence of altered metabolism.
“At this point, because this is fairly preliminary, we don’t know how these differences in cells grown in the lab correspond to the physiology of these children after birth,” Boyle said. “But it’s clear that there is an inherent propensity toward more fat content in the cells from offspring of obese moms, in culture. We also know that the fat accumulation in these cells corresponded to the baby’s fat mass at birth. The next step is to follow these offspring to see if there is a lasting change into adulthood.”
Boyle and her team expect to soon have additional information on how the cells use fat for energy production and whether this contributes to the greater fat accumulation in the cells from the offspring of obese mothers. They are continuing to conduct a full, metabolic assessment of the cells to determine whether the cells in the offspring of obese moms display inflammation, insulin resistance or other metabolic differences.
Publisher and Editor of Families Online Magazine. Our experts provide warm, loving, and generous advice for you, your family and children, no matter their age -- infants, school age, 'tweens, and teenagers. Features include:Parenting, Ages and Stages of Child Development, Child Support, Cooking, Health, Children's Books, Nutrition, Christian Parenting, Relationships, Green-living, Education and School
Ms. Jensen is a leading advocate for families and children and was the founder and president of ACES, The Association for Children for Enforcement of Support.
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