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DNA-protein crosslinks. An example of this induction is with platinum derivatives, such as cisplatin and oxaliplatin. They create non-enzymatic DNA-protein crosslinks through non-specific crosslinking of chromatin-interacting proteins to DNA. Crosslinking is also possible in other therapeutic agents by either stabilizing covalent DNA-protein reaction intermediates or by creating a pseudosubstrate, which traps the enzyme on DNA. Camptothecin derivatives, such as irinotecan and topotecan, target and trap specific DNA topoisomerase

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