Human embryonic stem cells arranged using 3D printing technique

Already revolutionizing manufacturing, 3D printing technology also promises to revolutionize the field of biotechnology. While scientists have previously had success in 3D printing a range of human stem cell cultures developed from bone marrow or skin cells, a team from Scotland's Heriot-Watt University claims to be the first to print the more delicate, yet more flexible, human embryonic stem cells (hESCs). As well as allowing the use of stem cells grown from established cell lines, the technology could enable the creation of improved human tissue models for drug testing and potentially even purpose-built replacement organs.

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