Tuesday, July 26, 2016

Low hormone levels linked to obesity in teens


Public Release: 24-May-2016
Low hormone levels linked to obesity in teens
Study is first to examine how the hormone spexin may contribute to weight gain in children
The Endocrine Society

Obese teenagers already show signs of hormonal differences from normal-weight peers that may make them prone to weight gain, according to a new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

The study found obese teenagers have lower levels of a hormone potentially tied to weight management than normal-weight teens. Studies of adults have found that the hormone, called spexin, is likely involved in regulating the body's fat mass and energy balance.

"Our study is the first to look at levels of spexin in the pediatric population," said one of the study's authors, Seema Kumar, MD, of the Mayo Clinic in Rochester, MN. "Previous research has found reduced levels of this hormone in adults with obesity. Overall, our findings suggest spexin may play a role in weight gain beginning at an early age."


Researchers divided the teenagers into four groups based on their spexin levels. Among the participants with the lowest levels of spexin, the odds of having obesity were 5.25 times higher than in the group with the highest levels of the hormone. Unlike what has been noted in adults, there was no association between spexin levels and fasting glucose.


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