Master Molecular Switch May Prevent The Spread Of Cancer Cells To Distant Sites In The Body

Researchers identified a switch that might prevent cancer cells from metastasizing from a primary tumor to other organs. The switch is a protein that, when in the "on" position, maintains the normal character of cells that line the surface of organs and body cavities. These epithelial cells are the type of cell from which most solid tumors arise. When the switch is turned "off" or absent, the cells can move away from the primary tumor.

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