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New myeloma-obesity research shows drugs can team with body's defenses
Date:5/2/2014

Obesity increases the risk of myeloma, a cancer of plasma cells that accumulate inside the bones.

And with current obesity trends in the United States and especially in South Texas, that's ominous.

"I'm predicting an increase in multiple myeloma," said Edward Medina, M.D., Ph.D., "and with the obesity problems we see in the Hispanic population, there could be a serious health disparity on the horizon."

Dr. Medina, a hematopathologist and assistant professor in the Department of Pathology at The University of Texas Health Science Center at San Antonio, is looking at exactly how obesity causes an increased risk for myeloma.

What he and his colleagues have discovered is a potential way to not only boost the effectiveness of current chemotherapy treatments for myeloma, but at the same time a way to help the body help itself.

In a paper published this week in the journal Leukemia, Dr. Medina and his team look at an important little protein called adiponectin.

Myeloma is often called multiple myeloma because it occurs at many sites within the bone marrow. Healthy plasma cells produce antibodies that fight infection in the body, but myeloma cells produce high levels of abnormal antibodies that, when the cancer cells accumulate, they crowd out production of other important blood cells, both red and white.

"They basically overtake the bone marrow," Dr. Medina said.

The disease can lead to bone pain and fragility, confusion, excessive thirst and kidney failure. While survival rates for patients with myeloma have increased in recent years, many people do not live more than five years beyond diagnosis.

Adiponectin is a protective protein that plays several roles in keeping the body healthy, including killing cancer cells. While adiponectin is produced by fat cells, Medina said, obese people have less of it. The reason for this paradox is that in cases of obesity, fat cells func
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Contact: Elizabeth Allen
allenea@uthscsa.edu
210-450-2020
University of Texas Health Science Center at San Antonio
Source:Eurekalert

Page: 1 2

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