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Swedish Scientists Just Grew The Cells Type 1 Diabetes Destroys From Scratch

Scientists at Karolinska Institutet and KTH Royal Institute of Technology in Sweden have developed a more reliable method for growing insulin-producing cells from human stem cells, and the results published in Stem Cell Reports represent one of the most encouraging steps yet toward a potential treatment for type 1 diabetes. Type 1 diabetes develops when the immune system attacks and destroys the beta cells in the pancreas that produce insulin, leaving the body unable to regulate blood sugar without daily injections or a pump, and replacing those lost cells with lab-grown versions has long been considered one of the most promising paths toward a true cure. The challenge has always been consistency: previous methods of producing beta cells from stem cells often yielded unpredictable, low-quality results that didn’t function reliably once transplanted. The Swedish team, led by professors Per-Olof Berggren and Fredrik Lanner, developed an optimized protocol that produces high-quality, mature insulin-secreting cells consistently across multiple different human stem cell lines.

In laboratory tests, the cells responded strongly to varying glucose levels the way healthy beta cells should, releasing insulin in appropriate amounts rather than at a flat, unregulated rate. When transplanted into diabetic mice, they restored natural blood sugar control, reversing the diabetes. Berggren said the method could solve several of the problems that have previously blocked stem cell-based treatments for type 1 diabetes, including the challenge of immune rejection, because the approach opens the door to patient-specific cell therapies grown from a person’s own cells. Lanner said the team will now work toward clinical translation with the goal of treating type 1 diabetes in humans, and that the consistency and quality of what they can now produce gives them genuine confidence to take that next step.

Source: https://thefirmo.com/scientists-have-found-a-way-to-grow-the-cells-that-type-1-diabetes-destroys-from-scratch/

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