Investigation of stereoisomeric bisarylethenesulfonic acid esters for discovering potent and selective PTP1B inhibitors
作者:Fangzhou Xie、Fengzhi Yang、Yaoyao Liang、Liang Li、Yu Xia、Faqin Jiang、Wenlu Liu、Yunyue Qi、Sharmin Reza Chowdhury、Dongsheng Xie、Lei Fu
DOI:10.1016/j.ejmech.2018.12.032
日期:2019.2
work, a series of cis- and trans-pyrrolidine bisarylethenesulfonic acid esters were prepared and their PTP1B inhibitory potency, selectivity and membrane permeability were evaluated. These novel stereoisomeric molecules especially trans-isomers exhibited remarkable inhibitory activity, significant selectivity as well as good membrane permeability (e.g. compound 28a, IC50 = 120, 1940 and 2670 nM against
由于蛋白质酪氨酸磷酸酶1B(PTP1B)在胰岛素信号传导和瘦素受体途径中的关键调节作用,因此已被认为是2型糖尿病(T2DM)和肥胖症的有希望的治疗靶标。在这项工作中,制备了一系列顺式和反式吡咯烷双芳基磺酸磺酸酯,并评估了其对PTP1B的抑制力,选择性和膜通透性。这些新颖的立体异构分子,特别是反式异构体,表现出显着的抑制活性,显着的选择性以及良好的膜渗透性(例如,化合物28a,IC 50 = 120、1940和2670 nM,分别针对PTP1B,TCPTP和SHP2,以及P app = 1.74×10 -6 cm / s)。分子模拟表明,通过与PTP1B的非催化位点建立更多的相互作用,反式-吡咯烷双芳基磺酸磺酸酯比其顺式异构体具有更强的结合亲和力。进一步的生物学活性研究表明,化合物28a可以增强胰岛素刺激的葡萄糖摄取和胰岛素介导的胰岛素受体β(IRβ)磷酸化,而没有明显的细胞毒性。