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Colon cancer researchers target stem cells, discover viable new therapeutic path
Date:12/1/2013

(TORONTO, Canada Dec. 1, 2013) - Scientists and surgeons at Princess Margaret Cancer Centre have discovered a promising new approach to treating colorectal cancer by disarming the gene that drives self-renewal in stem cells that are the root cause of disease, resistance to treatment and relapse. Colorectal cancer is the third leading cause of cancer-related death in the Western world.

"This is the first step toward clinically applying the principles of cancer stem cell biology to control cancer growth and advance the development of durable cures," says principal investigator Dr. John Dick about the findings published online today in Nature Medicine.

He talks about the research in this video - click the link to watch: https://www.youtube.com/watch?v=QK7JquljkBc.

Dr. Dick pioneered the cancer stem cell field by first identifying leukemia stem cells (1994) and colon cancer stem cells (2007). He is also renowned for isolating a human blood stem cell in its purest form as a single stem cell capable of regenerating the entire blood system paving the way for clinical use (2011). Dr. Dick holds a Canada Research Chair in Stem Cell Biology and is a Senior Scientist at University Health Network's Princess Margaret Cancer Centre and McEwen Centre for Regenerative Medicine. He is also a Professor in the Department of Molecular Genetics, University of Toronto, and Director of the Cancer Stem Cell Program at the Ontario Institute for Cancer Research.

In pre-clinical experiments, the research team replicated human colon cancer in mice to determine if specifically targeting the stem cells was clinically relevant. First, the researchers identified that the gene BMI-1, already implicated in maintaining stem cells in other cancers, is the pivotal regulator of colon cancer stem cells and drives the cycle of self-renewal, proliferation and cell survival. Ne
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Contact: Jane Finlayson
jane.finlayson@uhn.ca
416-946-2846
University Health Network
Source:Eurekalert  

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