A team of scientists from Tel Aviv University led by Professor Tala Dvir managed to create the first ever artificial heart using 3D printing.
The unique experiment began with the sampling of fat from a volunteer, which was divided into cellular and non-cellular materials. The former were programmed to transform into pluripotent stem cells, which are capable of transforming into cells of any type. And the matrix of non-cellular materials was turned into a hydrogel at that time.
At the next stage, after mixing the stem cells with the gel, they were divided into cardiac and endothelial cells, which make up the inner surface of blood vessels. As a result, scientists managed to obtain two types of "bio-ink". From them, layer by layer using a 3D bioprinter, the heart tissue was created, and then the whole heart.
Despite the fact that the artificial organ does not exceed the size of a rabbit's heart, it nevertheless fully corresponds to the structure of a real human heart. Since in the future such organs will be created from the patients' own biomaterials, their rejection is excluded. What's more, heart transplant candidates no longer have to wait years for their turn.