transplanted pig cells in experimental diabeticA relatively small biotech company in New Zealand is preparing to transplant cells of newborn pigs in eight volunteers suffering from Type I diabetes (juvenile diabetes).Researchers of Living Cell Technologies hopes that animal cells would survive in the body and diabetics produce insulin to control levels of blood sugar. The experimental method could reduce the symptoms but not cure the disease, identified by Professor Bob Elliot, research director of the company. He pointed out that even the risk of patient infection from viruses of pigs is minimal, since the pigs from which cells originated living 150 years in isolation on islands south of New Zealand and have been subjected to laboratory tests. Dr Elliot has tried this technique two more times, one in New Zealand in 1995-96, involving six patients, and one in Russia that began in July 2007 with ten volunteers. In one of the volunteers earlier New Zealand study, the animal cells to continue producing insulin 12 years after transplantation. In other patients the foreign cells or rejected or stopped secrete insulin in a year. This time the pig cells will be covered first with a film of algae-derived material that may prevent the rejection of cells from the immune system of volunteers. Due to the membrane, they would have to take dangerous immunosuppressive drugs. The first transplant is scheduled to take place in about two months and the second will follow several months later. The eight volunteers suffering from Type I diabetes in severe form and selected among 1,000 candidates. In type I diabetes, the immune system mistakenly attacks the cells of the pancreas that produce insulin. Usually the population is type II diabetes, which occurs in adults and is associated with obesity. In this case, the pancreas produces insulin but the body is unable to use it effectively. |
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