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Anti-Cancer Agents in Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 1871-5206
ISSN (Online): 1875-5992

Synthesis and Anticancer Properties of a Novel Bis-intercalator

Author(s): Wei Shen, Huimin Deng and Zhiqiang Gao

Volume 13, Issue 4, 2013

Page: [632 - 638] Pages: 7

DOI: 10.2174/1871520611313040011

Price: $65

Abstract

A series of naphthalene diimide (ND)-based mono-, bis-, and tris-intercalators are synthesized and evaluated for their anticancer activities. All compounds show anticancer activities in the micromolar range. Among them the bis-intercalator is the most promising. Experimental results indicate that (i) target compounds intercalate DNA and (ii) the bis-intercalator with the optimal linker shows considerably more affinity to DNA than corresponding mono-and tris-intercalators. Spectroscopic measurements indicate that the ND groups bind to the double-stranded DNA (ds-DNA) in a classical threading intercalation mode, while the cationic linker reinforces the intercalation via electrostatic interaction with ds-DNA. In vitro cytotoxicity of the bis-intercalator towards a number of cancer cells, such as C6, HeLa, and MDA-435S, is tested and compared to that of normal cells. Attractive anticancer activity is observed with the bisintercalator, which provides a new lead in the anticancer drug design strategy.

Keywords: Anticancer, Bis-intercalator, C6 cell, Cancer, Circular dichroism spectroscopy, Cytotoxicity, DNA, Fluorometry, Hela cell, Intercalator, MDA-435S cell, Naphthalene diimide, Threading intercalation, UV-Vis spectrometry, Viscometry


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