Efforts to Replicate Controversial Diabetes Therapy Bring Partial
An effort by researchers at the University of Chicago to confirm the results of a high-profile study that brought extraordinary hope to diabetes researchers and patients worldwide has met with considerable, but not complete, success. The researchers were able to reverse type-1 diabetes in one-third of mice but were unable to find any evidence of insulin-producing beta cells derived from donated spleen cells, initially thought to be a crucial component of the therapy.
"Using a protocol that was identical to the original study, we were able essentially to cure 32 percent of treated mice, which was quite encouraging, even though it was less than the 67- to 92-percent cure rates previously reported," said transplant immunologist Anita Chong, PhD, associate professor of surgery at the University of Chicago and lead author of the study. "We saw no evidence, however, of spleen-derived beta cells in the pancreas, despite using very s
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