Russ P. Carstens lead authors Penn Study that identifies a master molecular switch that may prevent the spread of cancer cells to distant sites in body


March 18, 2009

Penn Medicine News Release

PHILADELPHIA – Researchers at the University of Pennsylvania School of Medicine have identified a master 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. However, when the switch is turned “off” or absent, epithelial cells acquire characteristics of another cell type, called mesenchymal cells, and gain the ability to migrate and move away from the primary tumor. The researchers report their findings in this month’s issue of Molecular Cell (view journal article)... Read More