Diabetes During Pregnancy May Up Heart Disease Risk in Babies

by Iswarya on  July 20, 2018 at 10:22 AM Child Health News
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Diabetes during pregnancy may increase the risk of blood vessel dysfunction and heart disease in babies by altering a smooth muscle protein called transgelin, responsible for blood vessel network formation, reports a new study. Early detection of disease in children is possible by understanding the protein's function in fetal cells. The findings of the study are published in the journal American Journal of Physiology-Cell Physiology.
Diabetes During Pregnancy May Up Heart Disease Risk in Babies
Diabetes During Pregnancy May Up Heart Disease Risk in Babies

Gestational diabetes, a state of prolonged high blood sugar during pregnancy, affects approximately 7 percent of pregnant women. Uncontrolled gestational diabetes may result in high blood pressure during pregnancy or in premature birth or stillbirth. Previous research has found that levels of a protein called transgelin are higher in offspring of women with gestational diabetes. Transgelin is found in the endothelial colony forming cells (ECFCs) that line the walls of blood vessels. Transgelin regulates cell migration, a process involved in wound healing and building blood vessel networks. A baby's umbilical cord blood is rich in ECFCs; dysfunction of these cells that occurs in the womb may play a role in long-term blood vessel health and increase the risk of children developing heart disease later in life.

Researchers from Indiana University School of Medicine studied the effects of elevated transgelin levels on cord blood ECFCs. Cord blood samples taken at the time of birth from women with gestational diabetes were compared to a control group without pregnancy complications. Cord blood ECFCs do not typically contain high levels of transgelin. However, the samples taken from the umbilical cord blood of the gestational diabetes group showed higher protein levels and increased dysfunction of the blood vessels during formation. Decreasing transgelin in the diabetes-exposed cells "significantly improved initial [blood vessel] network formation, ongoing network stabilization, and cell migration," the research team wrote.

Improving the tools that measure an infant's diabetes exposure and relevant protein fluctuations at the time of birth "would increase the accuracy of health assessments to enable more informed predictions of long-term health outcomes," the researchers wrote.

"Unfortunately, these [conditions] often go undiagnosed until children present with the disease later in life, at which time the opportunity for prevention has ended."



Source: Eurekalert

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