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3-D printed 'building blocks' of life

Scientists have developed a 3-D printing method capable of producing highly uniform ‘blocks’ of embryonic stem cells. These cells – capable of generating all cell types in the body – could be used as the ‘Lego bricks’ to build tissue constructs, larger structures of tissues, and potentially even micro-organs. The results are published today, Wednesday 4th November, in the journal Biofabrication. “It was really exciting to see that we could grow embryoid body in such a controlled manner”, explains Wei Sun, a lead author on the paper. “The grown embryoid body is uniform and homogenous, and serves as a much better starting point for further tissue growth.””

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