AbstractIn an effort to further investigate previously observed activity of indolyl sulfonamides towards pancreatic cancer cell lines, a library of 44 compounds has been synthesized. The biological activity of the compounds has been determined using two different screening assay techniques against 7 pancreatic cancer cell lines and 9 non‐pancreatic cancer cell lines. In the first assay, the cytotoxicity of the compounds was evaluated using a traditional (48 hour compound exposure) method. An in silico investigation was conducted to determine if the compounds might be inducing cell death by inhibiting the S100A2‐p53 protein‐protein interaction. In the second assay, the potential role of the compounds as metabolic inhibitors of ATP production was evaluated using a rapid screening (1–2 hour compound exposure) method. IC50 values of the hit compounds were obtained and four compounds displayed sub‐micromolar potency against PANC‐1 cells. The investigation has provided several compounds that display selective in vitro activity toward pancreatic cancer that warrant further development.
摘要 为了进一步研究之前观察到的吲哚基磺酰胺类化合物对胰腺癌细胞系的活性,我们合成了一个由 44 种化合物组成的化合物库。利用两种不同的筛选测定技术,测定了这些化合物对 7 种胰腺癌细胞系和 9 种非胰腺癌细胞系的生物活性。在第一种试验中,采用传统方法(48 小时化合物暴露)评估了化合物的细胞毒性。此外,还进行了硅学研究,以确定化合物是否可能通过抑制 S100A2-p53 蛋白-蛋白相互作用而诱导细胞死亡。在第二项试验中,采用快速筛选(化合物暴露 1-2 小时)方法评估了化合物作为 ATP 生成代谢抑制剂的潜在作用。获得了命中化合物的 IC50 值,其中四个化合物对 PANC-1 细胞具有亚微摩尔效力。这项研究提供了几种对胰腺癌具有选择性体外活性的化合物,值得进一步开发。