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3D printed bench top brain a reality soon
In a step closer to creating a full-fledged “bench-top” brain, Australian researchers have developed a 3D-printed layered structure incorporating neural cells that mimics the structure of brain tissue. A “bench-top” brain that accurately reflects actual brain tissue would be significant for researching not only the effect of drugs but brain disorders like schizophrenia and degenerative brain disease.
Sydney: In a step closer to creating a full-fledged “bench-top” brain, Australian researchers have developed a 3D-printed layered structure incorporating neural cells that mimics the structure of brain tissue. A “bench-top” brain that accurately reflects actual brain tissue would be significant for researching not only the effect of drugs but brain disorders like schizophrenia and degenerative brain disease.
We are still a long way from printing a brain but the ability to arrange cells so that they form neuronal networks is a significant step forward, Wallace added. To create their six-layered structure, researchers developed a custom bio-ink containing naturally occurring carbohydrate materials.
The custom materials have properties that allow accurate cell dispersion throughout the structure, while providing a rare level of protection to the cells. The bio-ink is then optimised for 3D-printing and developed for use in a standard cell culturing facility without the need for expensive bio-printing equipment.
The result is a layered structure like brain tissue, in which cells are accurately placed and remain in their designated layer.The brain is amazingly complex, with around 86 billion nerve cells. The challenge for researchers to create bench-top brain tissue from which they can learn about how the brain functions is an extremely difficult one.
