A 300-member flavonoid dimer library of multidrug resistance-associated protein 1 (MRP1, ABCC1) modulators was rapidly assembled using “click chemistry”. Subsequent high-throughput screening has led to the discovery of highly potent (EC50 ranging from 53 to 298 nM) and safe (selective indexes ranging from >190 to >1887) MRP1 modulators. Some dimers have potency about 6.5- to 36-fold and 64- to 358-fold
使用“点击
化学”快速组装了具有300种成员的抗药性相关蛋白1(MRP1,ABCC1)调节剂的类
黄酮二聚体文库。随后的高通量筛选导致发现了高效MRP1调节剂(
EC 50为53至298 nM)和安全的(选择性指数为> 190至> 1887)。一些二聚体的效力分别比众所周知的MRP1
抑制剂维拉帕米和MK571高约6.5至36倍和64至358倍。他们抑制DOX流出并恢复细胞内DOX浓度。预测最有效的调节剂Ac3Az11将以竞争方式与MRP1的两部分底物结合位点结合。此外,它提供了足够的浓度以使其血浆
水平保持在体外
EC以上50(对于DOX为53 nM)持续约90分钟。总体而言,我们证明,“点击
化学”与高通量筛选相结合是发现具有强效MRP1修饰功能的化合物的一种快速,可靠和有效的工具。