Dual-targeting Rutaecarpine-NO donor hybrids as novel anti-hypertensive agents by promoting release of CGRP
作者:Jinjin Ma、Lan Chen、Jinbao Fan、Wei Cao、Guangyao Zeng、Yajing Wang、Yuanjian Li、Yingjun Zhou、Xu Deng
DOI:10.1016/j.ejmech.2019.02.037
日期:2019.4
to react with H2S in vivo to form HNO, thereby activating HNO-TRPA1-CGRP pathway. Inspired by combination therapy, 11 rutaecarpine-furoxan hybrids were designed, synthesized and evaluated. The results demonstrated that most hybrids exerted comparable or improved vasodilator activities. Among which, 13a is the most potent both ex vivo (EC50 = 13.1 nM) and in vivo. Mechanistic studies revealed that the
CGRP被认为是最有效的血管扩张药,在高血压的发生和发展中起着重要的作用。TRPV1和TRPA1在促进CGRP的合成和释放,从而调节心血管张力方面至关重要。Rutaecarpine通过刺激CGRP合成和通过激活TRPV1释放而表现出有效的血管舒张和高血压作用。并且已经显示NO在体内与H 2 S反应形成HNO,从而激活HNO-TRPA1-CGRP途径。受联合疗法的启发,设计,合成和评估了11种芸香果树素-呋喃聚糖杂种。结果表明,大多数杂种发挥相当或改善的血管扩张活性。其中13a是离体细胞(EC)最有效的50 = 13.1 nM)和体内。机理研究表明,杂种的血管舒张作用和抗高血压作用可能涉及通过TRPV1和TRPA1的双重激活促进CGRP释放。这项工作表明,双靶杂种可能是发现和开发新型抗高血压药物的有效且有前途的方法。