How we get blood in the future
1. Stem cells
Stem cells are isolated from an early embryo and grow continuously in the lab. |

Image credit: John McAbney |

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2. Making blood
Stem cells are treated in complex protocols to turn them into red blood cells. |

Image credit: Ingrid Heersche |
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3. Quality control
All reagents must be of a high quality so that the cells can be given to people. |

Image credit: Roslin Cells |
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4. Scaling-up
Very large scale automated production will be required to meet the need for blood. |

Image credit: Wellcome Images |
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