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[1]刘 丹,徐泽彬,王 凯*,等.N,N,-偶联共轭双卟啉化合物与DNA的相互作用[J].武汉工程大学学报,2018,40(06):591-596.[doi:10. 3969/j. issn. 16742869. 2018. 06. 001]
 LIU Dan,XU Zebing,WANG Kai*,et al.Study of N, N,-Conjugated Bisporphyrins Interacting with DNA[J].Journal of Wuhan Institute of Technology,2018,40(06):591-596.[doi:10. 3969/j. issn. 16742869. 2018. 06. 001]
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N,N,-偶联共轭双卟啉化合物与DNA的相互作用(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
40
期数:
2018年06期
页码:
591-596
栏目:
化学与化学工程
出版日期:
2018-12-28

文章信息/Info

Title:
Study of N, N,-Conjugated Bisporphyrins Interacting with DNA
文章编号:
20180601
作者:
刘 丹1 徐泽彬1 王 凯*1 2 汪泽江1 吴风收1

1. 武汉工程大学化工与制药学院,湖北 武汉 430205;2. 湖北大学化学化工学院,湖北 武汉 430062
Author(s):
LIU Dan1 XU Zebing1 WANG Kai*1 2 WANG Zejiang1 WU Fengshou1

1. School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China;2. College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China
关键词:
卟啉共轭双卟啉ct-DNA结合模式相互作用
Keywords:
porphyrin conjugated bisporphyrin ct-DNA binding mode interaction
分类号:
O627;O614
DOI:
10. 3969/j. issn. 16742869. 2018. 06. 001
文献标志码:
A
摘要:

在我们先前的研究中,合成了三种新化合物,N,N-偶联四苯基双卟啉化合物(Por 1) 及其Zn配合物 (Por 2) 和N,N-偶联甲基吡啶双卟啉化合物 (Por 3)。通过紫外-可见吸收光谱、荧光发射光谱以及圆二色谱等方法,研究了这些卟啉化合物Por 1、Por 2和Por 3与ct-DNA的结合模式。研究结果表明:Por 1与DNA通过外部沟连和外部堆积模式结合。而Por 2与DNA则是外部沟连和插入模式结合,Por 3可以插入DNA之中,并且能借助于静电作用,与DNA的磷酸骨架进行结合。Por 1~Por 3与ct-DNA的结合常数分别为1.84×106 L/mol、1.06×106 L/mol和8.27×105 L/mol。这些研究为后续的肿瘤细胞光动力活性测试奠定一定的理论基础。
Abstract:

Three new compounds, N, N’-conjugated tetraphenyl bisporphyrin (Por 1), their Zn complex (Por 2) and N, N’-conjugated bisporphyrin with N-methyl pyridine (Por 3) were prepared in our previous studies. The properties of these compounds interacting with calf thymus DNA were investigated by UV-vis, fluorescence and circular dichroism spectroscopy in the present work. The results show that Por 1 interacts with ct-DNA through the groove binding and external stacking modes, while Por 2 binds to DNA with a combination of external stacking with intercalation mode, and Por 3 can insert into DNA and integrate with its phosphate backbone through an electrostatic interaction. The binding constants of Por 1, Por 2 and Por 3 with ct-DNA are calculated to be 1.84×106 L/mol, 1.06×106 L/mol, and 8.27×105 L/mol, respectively. These studies provide a theoretical basis for the subsequent investigation of photodynamic activity tests against tumor cells.

参考文献/References:


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备注/Memo

备注/Memo:

收稿日期:2018-04-17基金项目:国家自然科学基金(20902071)作者简介:刘 丹,硕士研究生。 E-mail:[email protected]*通讯作者:王 凯,博士,教授。E-mail: [email protected]引文格式:刘丹,徐泽彬,王凯,等. N,N,-偶联共轭双卟啉化合物与DNA的相互作用[J]. 武汉工程大学学报,2018,40(6):591-596.
更新日期/Last Update: 2018-12-22