Drug design, synthesis, in vitro and in silico evaluation of selective monoaminoxidase B inhibitors based on 3-acetyl-2-dichlorophenyl-5-aryl-2,3-dihydro-1,3,4-oxadiazole chemical scaffold
作者:Simona Distinto、Rita Meleddu、Matilde Yanez、Roberto Cirilli、Giulia Bianco、Maria Luisa Sanna、Antonella Arridu、Pietro Cossu、Filippo Cottiglia、Cristina Faggi、Francesco Ortuso、Stefano Alcaro、Elias Maccioni
DOI:10.1016/j.ejmech.2015.12.026
日期:2016.1
With the aim to identify new, potent and selective monoamine oxidase B (MAO-B) inhibitors, molecular interaction field analysis has been applied to a MAO-B complex with 3-acetyl-2,5-diaryl-2,3-dihydro-1,3,4-oxadiazole chemical structure, known as a privileged scaffold for this target. Several compounds displayed potent in vitro activity, exhibiting IC50 values in the medium to low nanomolar range.
为了识别新型的,有效的和选择性的单胺氧化酶B(MAO-B)抑制剂,分子相互作用场分析已应用于具有3-乙酰基-2,5-二芳基-2,3-二氢- 1,3,4-恶二唑的化学结构,被称为该目标的特权支架。几种化合物具有强大的体外活性,在中等至低纳摩尔范围内均具有IC 50值。最有希望的衍生物的对映异构体通过对映选择性HPLC分离并进行体外评估。根据理论药物设计,实验结果清楚地表明了配体立体化学在靶标识别/抑制中的关键作用。特别是(R)-对映异构体相对于(S)-立体异构体显示出最佳活性。最后,将对接实验与分子动力学(MD)模拟耦合起来,用于理解新化合物的推定MAO -B结合模式,为进一步的结构优化提供详细信息。