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‘Mini liver’ will grow in person’s own lymph node in bold new trial


Biotechnology firm LyGenesis has injected donor cells into a person with liver failure for the first time.

But physicians will need to closely monitor them for infection because the person needs to take immunosuppressive drugs so that their body doesn’t reject the donor cells, says Stuart Forbes, a hepatologist at the University of Edinburgh, UK, who is not affiliated with LyGenesis. LyGenesis has been trialling an approach that could help people in this situation — and make use of donated livers that would otherwise go to waste because a person on the transplant waiting list with a compatible health profile hasn’t materialized in time. The trial, which was approved by US regulators in 2020, will not only measure participant safety, survival time and quality of life post-treatment, but will also help to establish the ideal number of mini livers to stabilize someone’s health.

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