Media gallery
Induced stem cells
Caption: Induced stem cells, adult skin cells that have been genetically reprogrammed to mimic embryonic stem cells, have been made potentially safer by removing the introduced genes and the viral vector used to ferry the genes into the cells. These cells were reprogrammed to an embryonic like state with the aid of a plasmid, a loop of DNA, which prompts the reprogramming but is not integrated into the genome of the cells. The work was accomplished by geneticist Junying Yu in the laboratory of James Thomson, a UW-Madison School of Medicine and Public Health professor and the director of regenerative biology for the Morgridge Institute for Research.
Date: 2009
Photo credit: courtesy James Thomson
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