Using a combination of chemicals, scientists have managed to coax skin cells to change into organ-specific stem cell-like cells. Over ten days, the chemicals changed the identity of the cells, until all of the skin cell genes were turned off and the neural stem cell genes were gradually turned on.

See the source article by following the link below:
Using a combination of chemicals, scientists have managed to coax skin cells to change into organ-specific stem cell-like cells. Over ten days, the chemicals changed the identity of the cells, until all of the skin cell genes were turned off and the neural stem cell genes were gradually turned on.