Trisubstituted Isoalloxazines as a New Class of G-Quadruplex Binding Ligands: Small Molecule Regulation of c-kit Oncogene Expression
作者:Mallesham Bejugam、Sven Sewitz、Pravin S. Shirude、Raphaël Rodriguez、Ramla Shahid、Shankar Balasubramanian
DOI:10.1021/ja075881p
日期:2007.10.1
isoalloxazines as a new class of G-quadruplex binding ligands. We have developed a short and robust synthesis for trisubstituted isoalloxazines in good yields. The G-quadruplex binding and stabilization potential of isoalloxazines was assessed by surface plasmon resonance and fluorescence resonance energy transfer assay. The data revealed that these isoalloxazines bind and stabilize G-quadruplex DNA, but not
在此,我们报告了 3,8,10-三取代异恶嗪作为一类新的 G-四链体结合配体的主要生物学数据的设计、合成和生物物理评估。我们开发了一种短而稳定的三取代异恶嗪合成方法,收率良好。通过表面等离子体共振和荧光共振能量转移测定评估异咯嗪的 G-四链体结合和稳定潜力。数据显示,这些异恶嗪结合并稳定 G-四链体 DNA,但不结合双链体 DNA,并表现出区分 DNA 四链体的潜力。使用表达原癌基因 c-kit(MCF-7 和 HGC-27)的细胞系进行的基于细胞的实验表明,此类异恶嗪可以抑制 c-kit 的表达。