Pyrrolo[2,1-c][1,4] benzodiazepine-3,11-diones protect SHSY-5Y cells from Cd-induced apoptosis involving suppression of endoplasmic reticulum stress
作者:Chao Ma、Ke Du、Ying Zhao、Linkui Zhang、Baichun Hu、Maosheng Cheng
DOI:10.1016/j.bmc.2018.09.011
日期:2018.10
Cadmium (Cd) is a potent toxic heavy metal, some studies showed that Cd-induced apoptosis is through ER stress pathway. Compounds of pyrrolo[2,1–c][1,4]benzodiazepine (PBD)-3,11-diones were discovered as potent neuroprotective agents against Cd-induced toxicity in SH-SY5Y cells for the first time. In this study, twenty-six PBD-3,11-dione derivatives were synthesized and evaluated for their neuroprotective
镉(Cd)是一种有效的有毒重金属,一些研究表明,镉诱导的细胞凋亡是通过内质网应激途径引起的。首次发现吡咯并[2,1–c] [1,4]苯并二氮杂(PBD)-3,11-二酮类化合物是有效的神经保护剂,可对抗Cd诱导的SH-SY5Y细胞毒性。在这项研究中,合成了二十六个PBD-3,11-二酮衍生物,并通过CCK-8分析评估了它们对Cd诱导的毒性的神经保护活性。他们对SAR的初步研究表明,苯环上可以容忍各种取代基,而PBD-3,11-二酮支架的N10位上的烷基杂环基对于这些活性很重要。其中,化合物13c表现出最佳活性(细胞活力= 68.6%,25μM)。此外,我们发现该化合物13c可通过Western印迹法通过下调ER应激标志物GRP78,CHOP,Caspase12和Caspase3的表达来抑制镉诱导的细胞凋亡。结果,在硅片ADME / T特性的评价结果表明,13c中显示出介质BBB渗透水平和有