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Development of 2-arylbenzo[h]quinolone analogs as selective CYP1B1 inhibitors

机译:开发2-芳基苯并[h]喹诺酮类似物作为选择性CYP1B1抑制剂

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The CYP1B1 enzyme is regarded as a potential target for cancer prevention and therapy. Based on the structure of α-naphthoflavone (ANF), diverse 2-arylbenzo[ h ]quinolone derivatives were designed, synthesized and evaluated as selective CYP1B1 inhibitors. Compared with ANF, although few of the title compounds possessed comparable or slightly higher CYP1B1 inhibitory activity, these compounds displayed a significantly increased selectivity toward CYP1B1 over CYP1A2. Among them compounds 5e , 5g and 5h potently inhibited the activity of CYP1B1 with IC _(50) values of 3.6, 3.9 and 4.1 nM respectively, paralleled by an excellent selectivity profile. On the basis of predicted clog? P values, these target compounds may exhibit improved water-solubility compared to ANF. In particular, 5h showed a great superiority in the reversal of CYP1B1-mediated docetaxel resistance in vitro . The current study may serve as a good starting point for the further development of more potent as well as specific CYP1B1 inhibitors capable of reversing CYP1B1-mediated anticancer-drug resistance.
机译:CYP1B1酶被认为是癌症预防和治疗的潜在靶标。根据α-萘黄酮(ANF)的结构,设计,合成和评价了各种2-芳基苯并[h]喹诺酮衍生物,并将其作为选择性CYP1B1抑制剂。与ANF相比,虽然很少有标题化合物具有相当或略高的CYP1B1抑制活性,但这些化合物对CYP1B1的选择性比CYP1A2显着提高。其中化合物5e,5g和5h分别以优异的选择性分布与IC_(50)值分别为3.6、3.9和4.1 nM抑制CYP1B1的活性。根据预测的木log?与ANF相比,这些目标化合物的P值可以显示出更高的水溶性。特别是5h在逆转CYP1B1介导的多西紫杉醇耐药性方面显示出极大的优势。本研究可能为进一步开发能够逆转CYP1B1介导的抗癌药耐药性的更有效的以及特定的CYP1B1抑制剂提供了良好的起点。

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