Source: The Globe and Mail
Posted: November 20, 2006 3:47 AM EST
Summary:
New discoveries about the basic biology of cancer are revealing that the root cause of the disease is not tumors, as had long been previously thought, but stem cells that become cancerous. In a new study published the journal Nature, researchers have found that abnormal stem cells are the source of colon cancer. The finding is leading scientists to change the focus of their research to target the cells.
Commentary: This finding is significant, as it could provide physicians with new strategies to detect cancers early and treat them effectively before they spread.
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