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April 11, 2007
There is no cure for diabetes, but for the first time, researchers are hoping that's about to change. In a clinical trial, 13 young diabetes patients have been able to stop taking insulin injections after undergoing a stem cell treatment.
The trial, reported in the Journal of the American Medical Association, consisted of treating the patients with drugs to suppress their immune systems, followed by stem cells drawn from their own blood.
The researchers say they are excited about the results, because it suggests that diabetics who need daily insulin injections to survive might soon be freed from that regimen. Of the 15 young trial subjects, all but two responded to the treatment.
"This is a very promising study for those who are suffering from Juvenile Diabetes," said Rep. Dave Weldon (R-FL), who is also a physician.
For years, Type I (Juvenile) diabetes has been known to be an autoimmune disorder where the body's own immune cells attack the insulin producing cell in the pancreas. U.S. researchers, conducting their study in Brazil, used a stem cell transplant protocol that has previously been used with success in treating other autoimmune disorders such as lupus and multiple sclerosis, crohns disease, scleroderma, and rheumatoid arthritis.
"The beauty of the treatment protocol used here is that the patient's own bone marrow stem cells were used, guaranteeing a perfect match," Weldon said. "Should these patients remain insulin-free, the treatment is likely to be particularly useful for those suffering from Juvenile Diabetes who have difficultly in maintaining proper insulin levels, as well as for those who have difficulty accessing appropriate health care," he said.
Stem cells are cells that are not fully developed, and have the flexibility to grow into different types of tissue. Earlier studies have raised hopes that stem cell therapies may one day provide treatments for Alzheimer's, Parkinson's and other afflictions for which there are currently no cures.
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