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UNC study supports role of circadian clock in response to chemotherapy
Date:1/13/2009

o take it still do not survive and it is not as effective on other cancers, such as colon, ovarian and lung cancers. Sancar said he believes that identifying the times when the cancer cells' ability to repair damage is at a minimum may enable clinicians to tailor treatment and improve the survival rate for people with testicular cancer and these other more common cancers as well.

He also would like to see his findings being used for cancer prevention. Because the enzyme Sancar identified also repairs damage caused by sunlight, he plans to determine if the repair capacity in human skin changes as a function of the time of day.

"If we show the same patterns in humans as we did in mice, then it could tell us when would be the safest time to be in the sun (2 p.m. to 6 p.m.), and when would be the best time to avoid sun exposure (6 a.m. to 10 a.m.)," Sancar said. "The new information could help us prevent skin cancers."


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Contact: Les Lang
llang@med.unc.edu
919-966-9366
University of North Carolina School of Medicine
Source:Eurekalert

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