DNA threading bis(9-aminoacridine-4-carboxamides): Effects of piperidine sidechains on DNA binding, cytotoxicity and cell cycle arrest
摘要:
We describe the synthesis of a series of DNA-threading bis(9-aminoacridine-4-carboxamides) comprising ethylpiperidino and N-methylpiperidin-4-yl sidechains, joined via neutral flexible alkyl chains, charged flexible polyamine chains and a semi-rigid charged piperazine linker. Their cytotoxicity towards human leukaemic cells gives IC50 values ranging from 99 to 1100 nM, with the ethylpiperidino series generally being more cytotoxic than the N-methylpiperidin-4-yl series. Measurements with supercoiled DNA indicate that they bisintercalate. (C) 2008 Elsevier Ltd. All rights reserved.
DNA threading bis(9-aminoacridine-4-carboxamides): Effects of piperidine sidechains on DNA binding, cytotoxicity and cell cycle arrest
作者:Zhicong He、Xianyong Bu、Alexandra Eleftheriou、Malik Zihlif、Zhang Qing、Bernard W. Stewart、Laurence P.G. Wakelin
DOI:10.1016/j.bmc.2008.02.063
日期:2008.4
We describe the synthesis of a series of DNA-threading bis(9-aminoacridine-4-carboxamides) comprising ethylpiperidino and N-methylpiperidin-4-yl sidechains, joined via neutral flexible alkyl chains, charged flexible polyamine chains and a semi-rigid charged piperazine linker. Their cytotoxicity towards human leukaemic cells gives IC50 values ranging from 99 to 1100 nM, with the ethylpiperidino series generally being more cytotoxic than the N-methylpiperidin-4-yl series. Measurements with supercoiled DNA indicate that they bisintercalate. (C) 2008 Elsevier Ltd. All rights reserved.