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USC study in Nature Genetics supports a stem cell origin of cancer

." Laird notes that this theory, while relatively new, is gaining support among scientists.

Findings from the USC study also can be applied to stem cell research funded by the California Institute for Regenerative Medicine (CIRM), which was created through passage of California Proposition 71 in 2004. "One of CIRM's aims," says Laird, "is to culture and differentiate embryonic stems cells cells that would then be placed into patients. Since our research shows that cancer is rooted in stem cells, it would be very important to screen for the epigenetic abnormalities that we uncovered, so as to prevent people from receiving potentially cancer-prone cells."

Looking ahead, Laird and his USC colleagues would next like to focus on what causes some genes to transition from temporary repression to permanent silencing. "Once we determine that," Laird explains, "we can turn to the fundamental question: How can we prevent this transition?"


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Contact: Jennifer Chan
chanj@usc.edu
323-442-2830
University of Southern California
8-Jan-2007


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