Synthesis and SAR studies of novel 1,2,4-oxadiazole-sulfonamide based compounds as potential anticancer agents for colorectal cancer therapy
作者:Farheen Shamsi、Phool Hasan、Aarfa Queen、Afzal Hussain、Parvez Khan、Bushra Zeya、Hannah M. King、Sandeep Rana、Jered Garrison、Mohamed F. Alajmi、M. Moshahid Alam Rizvi、Muhammad Zahid、Md Imtaiyaz Hassan、Mohammad Abid
DOI:10.1016/j.bioorg.2020.103754
日期:2020.5
diverse series of 1,2,4-oxadiazoles based substituted compounds were designed, synthesized and evaluated as anticancer agents targeting carbonic anhydrase IX (CAIX). Initial structure-activity analysis suggested that the thiazole/thiophene-sulfonamide conjugates of 1,2,4-oxadiazoles exhibited potent anticancer activities with low μM potencies. Compound OX12 exhibited antiproliferative activity (IC50 =
设计,合成和评估了一系列基于1,2,4-恶二唑的取代化合物,并将其作为靶向碳酸酐酶IX(CAIX)的抗癌剂。初步的结构活性分析表明,1,2,4-恶二唑的噻唑/噻吩-磺酰胺共轭物显示出有效的抗癌活性,且μM效力低。化合物OX12表现出抗增殖活性(IC50 = 11.1 µM),并对与肿瘤相关的CAIX具有明显的抑制作用(IC50 = 4.23 µM)。因此,对OX12进行了结构优化,并合成并评估了其SAR定向衍生物(OX17-27)。通过这种迭代,化合物OX27的抗增殖作用几乎增加了两倍(IC50 = 6.0 µM),可与临床药物阿霉素相比,并且对CAIX的效力明显更高(IC50 = 0.74 µM)。另外,OX27处理降低了CAIX的表达,诱导了细胞凋亡和ROS的产生,抑制了结肠癌细胞的集落形成和迁移。我们的研究为进一步优化已鉴定的OX27提供了临床前理由,OX27是可能治疗CRC的合适先导。