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A novel class of small molecule inhibitors with radioprotective properties

机译:一种具有辐射保护性的小型分子抑制剂类别

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The goal of this study was to develop novel radioprotective agents targeting the intrinsic apoptotic pathway and thus decreasing the radiation-induced damage. For that purpose, we designed, synthesized and analyzed ten new compounds based on the 1-(4-(2-hydroxyethyl)piperazin-l-yl)-3-phenoxypropan-2-ol leading structure. The cytotoxicity of the newly synthesized substances was tested in vitro on cell lines derived from different progenitor cells by WST-1 proliferation assay. mTr test was utilized to assess half-maximal inhibitory concentrations and maximum tolerated concentrations of novel compounds in A-549 cells. Screening for radioprotective properties was performed using flow-cytometry in MOLT-4 cells exposed to Co-60 ionizing gamma radiation. Selected candidates underwent in vivo testing in C57BI/6J mice having a positive impact on their immunological status. In summary, we report here promising compounds with radioprotective effect in vivo. (C) 2019 Elsevier Masson SAS. All rights reserved.
机译:本研究的目标是开发靶向内在凋亡途径的新型辐射防护剂,从而降低辐射诱导的损伤。为此目的,我们基于1-(2-(2-羟乙基)哌嗪-1-基)-3-苯氧基丙烷-2-OL领先结构,设计了三种新化合物的设计,合成和分析了十种新化合物。通过WST-1增殖测定法在衍生自不同祖细胞的细胞系上在体外进行新合成物质的细胞毒性。利用MTR试验评估A-549细胞中的半最大抑制浓度和最大耐受的新化合物的新化合物。使用暴露于CO-60电离γ辐射的MOLT-4细胞中的流式细胞术进行筛选进行放射性保护性能。在C57BI / 6J小鼠中进行了选择的候选人,对其免疫状况产生了积极影响。总之,我们在这里报告了具有体内辐射防护作用的有希望的化合物。 (c)2019年Elsevier Masson SAS。版权所有。

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