Cyclobutane pyrimidine dimers (CPD's) are the deleterious DNA products of UV radiation. They are difficult for our cells to detect for repair because they are tightly wound within the DNA. Now a specific protein complex has been found which helps the cell identify and remove the CPD's.
The worst type of skin cancer is malignant melanoma. There is a drug available to treat this, but patients become resistant to the drug over time. Now researchers have figured out why.
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