Children Born to Type 1 Diabetes Mothers are at Higher Risk of Being Overweight

Children of Mothers with type 1 diabetes are at high risk of exhibiting insulin resistance and being overweight, says researcher from the German Research Center for Environmental Health and the Technical University of Munich.

High risk of being overweight and showing insulin resistance is observed in children of mothers with type 1 diabetes, reports a new study. The findings of the study are published in the journal Diabetologia.

Type 1 diabetes is the //most common metabolic disorder in childhood. But what effects does this condition have when sufferers themselves have children? It was already known that children of parents with type 1 diabetes are at much higher risk of developing the disease than the rest of the population.

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‘The children born to type 1 diabetes mothers are more likely of being obese and showing insulin resistance, study says.’

"Moreover, there were also sporadic indications from previous studies that children of mothers with type 1 diabetes are also at increased risk of having metabolic syndrome, as the intermittent high blood glucose levels in the uterus appear to have long-term effects on the child's metabolism and body weight," explains Dr. Andreas Beyerlein. "We now had the possibility to investigate this hypothesis with a large and appropriate dataset," adds the statistician and epidemiologist, who led the study together with Prof. Dr. Anette-Gabriele Ziegler from the Institute of Diabetes Research at Helmholtz Zentrum München.

Nearly 2,800 children followed over an 18 year period

The starting point for their work were three large studies aimed at understanding the mechanisms underlying type 1 diabetes (TEENDIAB, BABYDIAB and BABYDIET). "In total, we studied data from nearly 2,800 children with a first-degree relative with type 1 diabetes," explains lead author Anitha Pitchika. "Their metabolic status and body weight were tracked up to the age of 18." "This analysis was possible only now with our dataset which contains such a large number of mothers with type 1 diabetes," adds Anette-Gabriele Ziegler. "A few decades ago, mothers with this condition were often advised not to get pregnant due to the high risk of complications at birth."

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Type 1 diabetes is a condition most common in children in which the pancreas stops producing and releasing the hormone insulin that controls blood sugar levels.

The researchers found that children of mothers with type 1 diabetes had a significantly higher body mass index than children from mothers without diabetes. "Children in the TEENDIAB study were for instance almost twice as likely to become overweight," explains Andreas Beyerlein. Other parameters, such as waist circumference, fasting blood glucose level and risk for insulin resistance, were also significantly higher if the mother had type 1 diabetes. The scientists corrected for many possible confounding factors, such as the mother's socioeconomic status and high birth weight.

To find out to what extent the differences were due to fundamental changes in the child's metabolism, the researchers collected metabolomics data from 500 children in the TEENDIAB study. As it turned out, however, they did not find any significant changes in metabolic products and pathways caused by maternal type 1 diabetes.

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Diabetes is a metabolic disease caused by insulin deficiency that leads to high blood sugar levels and several associated complications if left untreated.

"Our study shows that children of mothers with type 1 diabetes are not only at significantly higher risk of having the condition itself but are also at greater risk of being overweight and developing insulin resistance," says Anette-Gabriele Ziegler, summarizing the findings. "We would, therefore, advise that pediatricians should bear this correlation in mind so that they can react on early warning signs in such children."

Source-Eurekalert