Tag Archive for 'Autoimmune disease'

Study: Stem Cells Fight Multiple Sclerosis

The symptoms of multiple sclerosis could be reversed thanks to stem cell transplants from the patient’s own bone marrow, according to a study that will be published in March in Lancet Neurology by researchers from Northwestern University Feinberg School of Medicine in Chicago, who say that stem cell transplants could restore the immune system of patients suffering from the disease, stopping its evolution, and even causing its regression.

Multiple sclerosis is an autoimmune disease characterized by a defective immune system, which attacks the body’s own tissues in the central nervous system, and effects 57 thousand Italians. The disease develops through a process called “demyelinization”, which causes the deterioration of myelin – sheaths composed of fatty acids that cover nerve fibers – slowing or completely stopping the transmission of nerve impulses along the fibers in the brain and the spinal cord.

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Stem Cells Buy Freedom From Insulin for Type 1 Diabetics

http://video.google.com/videoplay?docid=6553371894741533041

A particular type of stem cell transplantation using the patient’s own cells led to short-term freedom from insulin injections in 20 of 23 patients newly diagnosed with type 1 diabetes participating in an experimental protocol in Brazil.

One patient even managed to go four years without needing outside sources of insulin, although the average was 31 months, said the authors of a report in the April 15 issue of the Journal of the American Medical Association, a themed issue on diabetes.

The patients also kept their blood sugar under control, which is key to preventing complications from diabetes. And, the authors stated, increased C-peptide levels indicated that the pancreas’ beta cells were alive and well.

“We were trying to preserve islet beta cell mass, that is, the cells that produce insulin, by stopping the immune system attack on these cells,” said senior study author Dr. Richard Burt, of Northwestern University Feinberg School of Medicine in Chicago. “Why new onset? Because we wanted to make sure there were still some islets there. We don’t believe stem cells form islet cells, but if the islet cells are still there, there might be regeneration if we stop the attack soon enough.”


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