Wednesday 21 November 2012

Cancer: Some cells don't know when to stop

Researchers at University of Southern California are using new imaging techniques to look at cancerous cells and how some keep replicating, despite being exposed to chemotherapy.

This new imaging is allowing them to see why some cancerous cells keep dividing while others are shut down and stop with exposure to chemotherapy.  The cells that keep going, called "checkpoint mutants," have been seen to keep replicating.

Prior research indicated that the exposure to chemotherapy would stop the checkpoint mutants from replicating and would damage DNA.  With this new technique they are able to see that they keep working.

Their findings have been published in the journal Molecular 7 Cellular Biology.

For the full article, visit http://www.sciencedaily.com/releases/2012/11/121119171403.htm

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