Polytraumatic accidents could lead in massive loss of blood, which often must be transfused to increase therapeutic outcome. Even if in general there is more demand of blood than supply, especially patients with rare blood types face the problem that insufficient amount of red blood bags matching their needs might be available from donations.
A new paper published in Nature Communications suggest a possible solution by creating unlimited amount of red blood cells using an immortal line of hematopoietic stem cells. On one hand this could reduce the risk of infection by blood transfusion and on the other hand it could help to overcome the lack of blood supply globally.
Clinical trials need to proof effectiveness and safety first. In the end, it could become a valuable source of regeneration after injuries in future.
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