Using A Molecular Toolkit To Transform Skin Cells Into Stem Cells
C&EN Associate Editor Sarah Everts notes that in 2006, researchers in Japan figured out a way to use genetic engineering to coax a skin cell to become a so-called "pluripotent" stem cell - a type of cell that can potentially morph or change into any cell of the human body. The scientists achieved the result by infecting the skin cell with a virus containing certain genes instructing the cell to change.
Now chemists are trying to reproduce this cellular alchemy with drug-like substances because gene therapies have faced trouble getting into the clinic. Scientists are looking for chemical ways to go backward in cell development - to reprogram mature cells into stem cells. Others are trying to identify substances that can morph one cell directly into other cell types - for example, from a skin cell directly into a nerve cell that might treat Parkinson's disease - without the use of stem cells at all. The ultimate goal is to be able to reprogram any cell of the body into another by means of a simple molecular kit, the article notes. But as chemists start putting together toolkits with these drug-like molecules, they face many technical hurdles as well as challenges getting acceptance from the stem cell community.
This story is available at http://pubs.acs.org/cen/science/88/8806sci1.html
Article: "Back to the future with stem cells"
American Chemical Society
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