Synthesis, DNA Binding and Topoisomerase I Inhibition Activity of Thiazacridine and Imidazacridine Derivatives
作者:Elizabeth Lafayette、Sinara Vitalino de Almeida、Marina da Rocha Pitta、Eduardo Carneiro Beltrão、Teresinha Gonçalves da Silva、Ricardo Olímpio de Moura、Ivan da Rocha Pitta、Luiz de Carvalho、Maria do Carmo Alves de Lima
DOI:10.3390/molecules181215035
日期:——
suppressors in some cancer cell lines. For a better understanding of the mechanism of action of these compounds, binding studies of 5-acridin-9-ylmethylidene-3-amino-2-thioxo-thiazolidin-4-one, 5-acridin-9-ylmethylidene-2-thioxo-thiazolidin-4-one, 5-acridin-9-ylmethylidene-2-thioxo-imidazolidin-4-one and 3-acridin-9-ylmethyl-thiazolidin-2,4-dione with calf thymus DNA (ctDNA) by electronic absorption and fluorescence
噻唑吖啶和咪唑吖啶衍生物在某些癌细胞系中作为肿瘤抑制因子已显示出有希望的结果。为了更好地了解这些化合物的作用机制,对 5-acridin-9-ylmethylidene-3-amino-2-thioxo-thiazolidin-4-one, 5-acridin-9-ylmethylidene-2-thioxo- 的结合研究thiazolidin-4-one、5-acridin-9-ylmethylidene-2-thioxo-imidazolidin-4-one 和 3-acridin-9-ylmethyl-thiazolidin-2,4-dione 与小牛胸腺 DNA (ctDNA) 通过电子吸收和进行荧光光谱和圆二色光谱。结合常数范围从 1.46 × 10(4) 到 6.01 × 10(4) M(-1)。UV-Vis、荧光和圆二色性测量表明,这些化合物通过嵌入或外部结合与 ctDNA 有效相互作用。除了