Lab Grown Blood Given To Humans In Worlds First Clinical Trial

UK researchers say that blood that has been grown in a laboratory has been transfused into two volunteers in the worlds first clinical trial.

Only very small amounts, equivalent to a couple of spoonfuls, are being tested to see how it performs inside the human body.

The BBC reports: The bulk of blood transfusions will always rely on people regularly rolling up their sleeve to donate.

But the ultimate goal is to manufacture vital, but ultra-rare, blood groups that are hard to get hold of.

These are necessary for people who depend on regular blood transfusions for conditions such as sickle cell anaemia.

If the blood is not a precise match then the body starts to reject it and the treatment fails. This level of tissue-matching goes beyond the well-known A, B, AB and O blood groups.

Prof Ashley Toye, from the University of Bristol, said some groups were “really, really rare” and there “might only be 10 people in the country” able to donate.

At the moment, there are only three units of the “Bombay” blood group – first identified in India – in stock across the whole of the UK.

The research project combines teams in Bristol, Cambridge, London and at NHS Blood and Transplant. It focuses on the red blood cells that carry oxygen from the lungs to the rest of the body.

This is how it works:

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