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Last updated on April 17, 2014 at 7:54 EDT

Latest Steve Wiley Stories

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2009-12-01 09:10:00

Time-lapsed video of individual breast tissue cells reveals a never-before-seen event in the life of a cell: a protein that cycles between two major compartments in the cell. The results give researchers a more complete view of the internal signals that cause breast tissue cells to grow, events that go awry in cancer and are targets of drug development. The protein ERK, which helps cells respond to growth factors, travels back and forth between the nucleus, where genes are turned on and off,...