Picture: People with type 1 diabetes use daily insulin injections to keep their sugar levels under control.
The technique used in the project is based on a procedure from the winner of the 2012 Nobel Prize in Physiology or Medicine, Shinya Yamanaka. He discovered how to reprogramme skin cells, through the use of hormones and other growth factors, into inducible pluripotent stem cells (iPSC), which could then be induced to become any type of cell desired, such as heart cells beating in a dish.
Shapiro and his team have adapted this technique with the overarching goal of finding a cure for type 1 diabetes. They collect blood samples from patients and treat the cells with a cocktail of hormones and other growth factors to “turn them back in time” and induce them to become insulin-producing cells. When these cells have been transplanted into mice with type 1 diabetes, early results have proven promising.
Professor Shapiro said: “I like to think about it as alchemy, where you are turning dust into gold.”
Professor Shapiro said the latest work was guided by his previous research on the Edmonton Protocol was a breakthrough procedure that transplants islet cells harvested from donated pancreases to type 1 diabetes patients, temporarily freeing them from the need for insulin injections.
While researchers are some way off suggesting a timeline within which the new therapy could potentially be available, Professor Shapiro said he and his collaborators hoped to move toward clinical trials in the next few years.
Professor Shapiro said: “Clearly there is a long way to go and a lot of research that we have to do between these initial stages of experiments to be able to treat first a handful of patients, and ultimately people with diabetes across the world.”
Even if the technique is successful, Professor Shapiro noted much more work will be needed in the fields of robotic engineering, artificial intelligence and stem-cell science to improve the process and make it less labour-intensive. In the future, he envisions a mass production of iPSC and patient-personalised medicine to cure type 1 diabetes.
Professor Shapiro added: “This is the future, this is where the horizon is, this is where the sun is rising. I am confident that we, the industry and mankind will find a way to pay for this and justify the cost of these treatments because it will be so much better than insulin. It will prevent all the complications of diabetes and lead to a far better quality of life.”
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