Structural-based design, synthesis, and antitumor activity of novel alloxazine analogues with potential selective kinase inhibition
作者:Waleed H. Malki、Ahmed M. Gouda、Hamdy E.A. Ali、Rabaa Al-Rousan、Doaa Samaha、Ashraf N. Abdalla、Juan Bustamante、Zakaria Y. Abd Elmageed、Hamed I. Ali
DOI:10.1016/j.ejmech.2018.04.029
日期:2018.5
Protein kinases are promising therapeutic targets for cancer therapy. Here, we applied multiple approaches to optimize the potency and selectivity of our reported alloxazine scaffold. Flexible moieties at position 2 of the hetero-tricyclic system were incorporated to fit into the ATP binding site and extend to the adjacent allosteric site and selectively inhibit protein kinases. This design led to
蛋白激酶是癌症治疗的有希望的治疗靶标。在这里,我们应用了多种方法来优化我们报道的阿洛嗪支架的效价和选择性。杂三环系统位置2的柔性部分被纳入以适合ATP结合位点,并延伸到相邻的变构位点,并选择性抑制蛋白激酶。这种设计导致对ABL1,CDK1 / Cyclin A1,FAK和SRC激酶的潜在选择性抑制作用达到30-59%。优化的铅(10b; IC50 = 40 nM)对乳腺癌(MCF-7)细胞的细胞毒性提高了约50倍。许多化合物显示出对卵巢(A2780)和结肠癌(HCT116)细胞潜在的细胞毒性,可提高约10-30倍(IC50 5-17 nM)。膜联蛋白-V / PI凋亡测定的结果表明,与MCF-7细胞的媒介物对照相比,许多化合物可诱导明显的早期死亡(89-146%)和显着晚期的(556-1180%)细胞死亡。SAR表明,5-脱氮杂恶嗪比Alo-1和FAK激酶具有更高的选择性。GoldScor