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Remodeling Takes on New Meaning
updated: Dec 03, 2013, 2:03 PM
By UCSB Public Affairs News
Remodeling Takes on New Meaning in the Realm of Cells:
Team discovers how to change cell types by flipping a single switch
With few exceptions, cells don't change type once they have become specialized - a heart cell, for example, won't suddenly
become a brain cell. However, new findings by researchers at UC Santa Barbara have identified a method for changing one cell type into another in a process
called forced transdifferentiation. Their work appears today in the journal Development.
With C. elegans as the animal model, lead author Misty Riddle, a Ph.D. student in the Rothman Lab, used transcription factor
ELT-7 to change the roundworm's pharynx cells into intestine cells in a single-step process. Every cell has the genetic potential to become any kind of cell.
However, the cell's history and the signals it receives changes the transcription factors it contains and thus determines what kind of cell it will become. A
transcription factor is a protein that causes genes to turn on.
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