Mar. 28, 2001 DENVER – March 27, 2001 – Most people believe that obesity is only caused by eating too much or not getting enough exercise. But researchers from Denver’s Eleanor Roosevelt Institute have dramatic new evidence that implicates a low level of a certain hormone as an important factor in obesity.
This novel approach to treating obesity, tested in mice, will soon be put to the test during human clinical trials which could begin as early as this year. If scientists are correct, someday a pill, a patch or a simple nasal spray could be used to trigger fat cells to release their stored energy resulting in weight loss.
"We treated a new strain of mice with the hormone MSH and our findings confirm its role in the control of fat levels in the body. The effect of this hormone on fat cells validates our theory," said Miles B. Brennan, Ph.D., a scientist at ERI. "Despite the perception in both the scientific community and the lay public that the only cause of obesity is either appetite or lack of exercise, this new study provides us with more information about how and why we do or do not store fat in our bodies."
Published in the March 27 issue of the prestigious Proceedings of the National Academy of Sciences, researchers from ERI and the Oklahoma Medical Research Foundation are now in discussions with scientists from the University of Colorado Health Sciences Center’s Center for Human Nutrition to test their hypothesis in humans.
This discovery has implications beyond obesity, said Eleanor Roosevelt Institute President David Patterson, Ph.D.
"People with Down syndrome, for example, have difficulty controlling their weight and many medications commonly used to treat epilepsy and various forms of depression often lead to unwanted weight gain. We hope that this finding will be useful for weight control in these conditions as well."
Dr. Patterson said that this new understanding of weight control may also help people with cancer who often times experience dramatic and undesirable weight loss due to chemotherapy and radiation.
Dr. Brennan and his colleague Ute Hochgeschwender, Ph.D, of the Oklahoma Medical Research Foundation, originally discovered that the gene, POMC, was tied to fat metabolism. They published their findings in the international journal Nature Medicine in the fall of 1999.
Denver’s Eleanor Roosevelt Institute was founded in 1961 on a vision of independent medical research. The Institute is staffed by leading scientists from all over the world who study Down syndrome, Lou Gehrig’s Disease, cancer and other diseases and conditions. It is the mission of the Institute’s scientists to seek an in-depth understanding of the process of life and through this understanding, work towards unlocking the mysteries of human health and disease. The Institute’s web address is http://www-eri.uchsc.edu.
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