Scientists Create Working Organ From Scratch For First Time Ever

Growing living tissue and organs in the lab would be a life-saving trick. But replicating the complexity of an organ, by growing different types of cells in precisely the right arrangement—muscle held together with connective tissue and threaded with blood vessels, for example—is currently impossible. Researchers at MIT have taken a step toward this goal by coming up with a way to make “building blocks” containing different kinds of tissue that can be put together.

 

The team first puts embryoid bodies into microscale wells, which causes the cells to clump together to form spheres. Next they pour a light-sensitive hydrogel solution over the top of the cells. When this solution is exposed to light, it hardens, leaving behind a sphere of cells, half naked, half encased in a cube of gel. The process is repeated to encase the other half in a second type of gel. The result is a hydrogel block, half gelatin, half polyethylene glycol, with a sphere of embryonic stem cells inside.

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Freeman, D. (2014, August 25). Scientists Create Working Organ From Scratch For First Time Ever. Retrieved September 1, 2014, from http://www.huffingtonpost.com/2014/08/25/organ-thymus-embryonic-cells-video_n_5709981.htm

 

 

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