Researchers discover new cancer stem cells in breast tissue

[News]

Whitehead Institute researchers have discovered that a differentiated cell type found in breast tissue can spontaneously convert to a stem-cell-like state, the first time such behavior has been observed in mammalian cells.

More... (http://www.news-medical.net/news/20110412/Researchers-discover-new-cancer-stem-cells-in-breast-tissue.aspx)