Scientists can now differentiate between healthy cells and cancer cells, Daily News, McMaster University, January 5, 2009.
Canadian researchers discover how to ID 'bad' from normal stem cells, CBC News, January 5, 2008.
Tests helps tease out 'good' stem cells from cancer-causing ones: study by Sheryl Ubelacker, The Canadian Press, 2009. The first two sentences:
One of the big worries about one day using stem cells to grow new organs and other tissues for curing disease is that these little regenerative powerhouses could give rise to tumours and end up doing more harm than good.
Now Canadian researchers have found a way to tell good stem cells from bad.