In this paper the interactions between DNA and anti-cancer drug oxaliplatin were investigated by using magnetic tweezers.The dynamics of DNA condensation due to oxaliplatin was traced under various forces.It is found ...In this paper the interactions between DNA and anti-cancer drug oxaliplatin were investigated by using magnetic tweezers.The dynamics of DNA condensation due to oxaliplatin was traced under various forces.It is found that torsion constraint in DNA enhances the ability of oxaliplatin for shortening DNA.The transplatin helps oxaliplatin combine to DNA and increase the rate of DNA condensation.All these results are consistent to the previously proposed model and are helpful for further investigation of interaction between DNA and oxaliplatin.展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.11104341 and 11274374)the National Basic Research Program of China(Grant No.2013CB837200)
文摘In this paper the interactions between DNA and anti-cancer drug oxaliplatin were investigated by using magnetic tweezers.The dynamics of DNA condensation due to oxaliplatin was traced under various forces.It is found that torsion constraint in DNA enhances the ability of oxaliplatin for shortening DNA.The transplatin helps oxaliplatin combine to DNA and increase the rate of DNA condensation.All these results are consistent to the previously proposed model and are helpful for further investigation of interaction between DNA and oxaliplatin.