In "remarkable" work, a patch of engineered heart muscle cells was used to strengthen a patient's heart before transplant.

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A woman with heart failure was kept alive long enough to receive a heart transplant, in part thanks to newly developed ...

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Following the procedure, they observed that her condition remained stable for three months, allowing her to receive a heart transplant.

Grafting patches of lab-grown muscle to the surface of the heart could offer a lifeline for people waiting for a transplant.