The world’s first clinical trial of laboratory grown red blood cells transfused into humans has begun at the University of Bristol, UK.
The manufactured blood cells were grown from stem cells from donors. The red cells were then transfused into volunteers, as part of an NHS clinical trial called RESTORE (REcovery and survival of STem cell Originated REd cells).
If proved to be safe and effective, this could revolutionise treatments for people with blood disorders such as sickle cell and rare blood types. It can be difficult to find enough well-matched donated blood for some people with these disorders.
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