DNA Repair Map Of The Entire Human Genome

Friday, May 8, 2015 - 09:40 in Biology & Nature

When the chemotherapy drugs like cisplatin or oxaliplatin hit cancer cells, they damage DNA so that the cells can't replicate but those cells have ways to repair the DNA and so the cancer drugs aren't as effective as they could be. When DNA is damaged, cells use many enzymes to cut the strand of DNA and excise the damaged fragment. Then, other enzymes repair the original DNA so that the cells can function properly. Previously, Sancar's lab used purified enzymes to discover how this process happens in DNA damaged by UV irradiation and by chemotherapeutic drugs such as cisplatin and oxaliplatin. read more

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