Discovery of a Monoiodo Aza-BODIPY Near-Infrared Photosensitizer: in vitro and in vivo Evaluation for Photodynamic Therapy
作者:Zhiliang Yu、Junliang Zhou、Xin Ji、Guangyu Lin、Shuang Xu、Xiaochun Dong、Weili Zhao
DOI:10.1021/acs.jmedchem.0c00882
日期:2020.9.10
Photodynamic therapy (PDT) as a rising platform of the cancer treatment method is receiving increased attention. Through systematic evaluation of halogen substitution on aza-4,4-difluoro-4-bora-3a,4a-diaza-s-indacenes (BODIPY), we have found that monoiodo-derived aza-BODIPYs provided greater efficacy than other halogenated aza-BODIPY PSs. 4 and 15 as monoiodinated aza-BODIPY dyes containing p-methoxyphenyl
光动力疗法(PDT)作为癌症治疗方法的一个新兴平台正受到越来越多的关注。通过对卤素取代基的系统评价氮杂-4,4-二氟-4-硼-3-一个,4一-diaza-小号-indacenes(BODIPY),我们已经发现比其它卤化的是一碘代衍生氮杂BODIPYs提供更大的功效氮杂-BODIPY PS。包含对甲氧基苯基部分的单碘化aza-BODIPY染料的4和15被鉴定为有效的NIR aza-BODIPY型PS,在54 J / cm 2的光剂量下,其IC 50值对HeLa细胞的IC 50值低至76和81 nM , 分别。4具有优异的光毒性,低暗毒性和良好的热/光稳定性,并且主要分布在细胞的线粒体中。凋亡被证实是主要的细胞死亡途径,并证明了体外活性氧的产生。体内全身荧光成像和离体器官分布研究表明,4在单次光照射下以低药物剂量提供了优异的PDT效果,并显示了优于ADPM06和Ce6的已知PS的优势。