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The TAU researchers' heart is made from human cells and patient-specific biological materials which serve as the bioinks for 3D printing of complex tissue models.

Researchers have 3D-printed a heart using a patient’s cells, providing hope that the technique could be used to heal hearts or engineer new ones for transplants.

Instead, the newly developed process — known as “cardiac tissue engineering” — aimed to 3-D-print heart tissue. It begins by taking cardiac tissue from the patient.

Nearly one in 100 children in the US are born with a heart defect. Although they can receive transplants, those transplants can be rejected by the body as long as 20 or 30 years later.

The heart was created using a 3D-printed method that lets the researchers make a complex inner structure while still using soft, flexible material as its structure.

Scientists print first 3D heart using patient's biological materials. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2019 / 04 / 190415102242.htm.

Researchers have 3D-printed a heart using a patient’s cells, providing hope that the technique could be used to heal hearts or engineer new ones for transplants.