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Cancer with a twist: protein instrumental in breast-cancer metastasis.(This Week)
A protein called Twist, which orchestrates gene activity in cells, facilitates the spread of some breast cancers, according to a study in the June 25 Cell.
Because it induces a cell to disengage from its surroundings and float freely, Twist lets nascent cells migrate. Without such movement, embryonic development would come to a halt. This central role in cell migration has also implicated the protein in cancer metastasis.
By screening dozens of mouse genes, physician Sridhar Ramaswamy of Harvard Medical School in Boston and his colleagues found that the one encoding Twist was active in breast cancer that had arisen spontaneously. Mice displaying forms of the…
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