DNA damage by C1027 involves hydrogen atom abstraction and addition to nucleobases
2012
San Pedro, Joanna Maria N. | Beerman, Terry A. | Greenberg, Marc M.
C1027 is a potent antitumor agent that damages DNA. It has the unusual ability to produce double strand breaks and interstrand cross-links (ICLs) intracellularly, which enable it to initiate concurrent ataxia-telangiestasia mutated (ATM) and Rad-3 related (ATR) independent damage responses. The latter form of damage is not well characterized. We have examined the effect of DNA sequence on C1027 reactivity and found it to be more diverse than previously thought. In addition, analysis of the chemical stability of ICLs suggests that they result from reaction with the deoxyribose ring on one strand but direct addition to a nucleobase on the opposite strand.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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