Human colon stem cells have been identified and grown in a petri dish in the lab for the first time. This achievement, made by researchers of the Colorectal Cancer Lab at the Institute for Research in Biomedicine (IRB Barcelona) and published in Nature Medicine, is a crucial advance towards regenerative medicine. Throughout life, stem cells of the colon regenerate the inner layer of our large intestine in a weekly basis. For decades scientists had evidences of the existence of these cells yet their identity remained elusive. Scientists led by the ICREA Professor and researcher at the Institute for Research in Biomedicine (IRB Barcelona) Eduard Batlle discovered the precise location of the stem cells in the human colon and worked out a method that allows their isolation and in vitro expansion, that is their propagation in lab-plates (petri dishes).
Scientists have used animal cells to create an artificial form of meat without the need for the rearing and slaughtering of livestock.
The product, known as "in vitro meat", is made from thousands of stem cells which multiply to produce strips of muscle tissue without ever leaving the lab.
Dutch scientists experimenting with pig cells say it could be just six months before the first test tube sausage is produced, and within a year lab-grown burgers could be created using similar techniques with cows.
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