Next Generation: Cell-Covered Fastener

Scientists have developed an interlocking cell scaffold for easy building and dismantling of tissues.

Written byRuth Williams
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Interlocking layers of Tissue-VelcroZHANG ET AL. SCI. ADV. 2015;1:e1500423

The technique: To rapidly assemble and disassemble engineered tissue in culture, researchers at the University of Toronto have designed a system of biocompatible scaffold sheets that, once covered in cells, can be layered together and pulled apart like Velcro. Announcing their technique in a Science Advances paper published today (August 28), the researchers describe the use of “Tissue-Velcro” to build 3D heart tissues that beat spontaneously and synchronously.

“The heart is made pretty much like layers of cells stacked on top of each other, so what this paper is [describing] . . . is these layers of scaffold that have heart cells and endothelial cells and that have a clever way of being linked together,” said Ali Khademhosseini of Harvard Medical School who develops biomaterials ...

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  • ruth williams

    Ruth is a freelance journalist. Before freelancing, Ruth was a news editor for the Journal of Cell Biology in New York and an assistant editor for Nature Reviews Neuroscience in London. Prior to that, she was a bona fide pipette-wielding, test tube–shaking, lab coat–shirking research scientist. She has a PhD in genetics from King’s College London, and was a postdoc in stem cell biology at Imperial College London. Today she lives and writes in Connecticut.

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