How Can a Skin Cell Become a Nerve Cell?

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Science  01 Jul 2005:
Vol. 309, Issue 5731, pp. 85
DOI: 10.1126/science.309.5731.85

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Scientists are just beginning to understand how cues interact to guide a cell toward its final destiny. Understanding how the roughly 25,000 human genes work together to form tissues--and tweaking the right ones to guide an immature cell's development--will keep researchers occupied for decades.