我们描述了XHE-III-74(一种选择性的α4β3γ2GABA A R配体)的类似物的合成,证明其能离体释放气道平滑肌并降低小鼠哮喘模型中的气道高反应性。为了改善该化合物作为哮喘治疗药的性能,在临床前测定中评估了一系列类似的类似物,这些类似物在C-8位上用氘代甲氧基代替甲氧基。包括微粒体稳定性,细胞毒性和感觉运动障碍。氘代化合物与相应的非氘代类似物具有相同或更高的代谢稳定性,并且观察到某些氘代化合物的感觉运动损伤增加。与该化合物系列的其他羧酸衍生物相比,硫酯具有更高的细胞毒性。从体外筛选中鉴定出的最有前途的化合物16也强烈抑制了大鼠的平滑肌收缩。离体豚鼠气管环。通过用鼠卵清蛋白致敏和激发的模型降低气道高反应性来确定平滑肌松弛,表明16在低乙酰甲胆碱浓度下是有效的。但是,由于16的药代动力学欠佳,因此这种作用受到了限制。基于这些发现,将研究XHE-III-74的其他类似物,以改善体内代谢稳
NOVEL GABAA AGONISTS AND METHODS OF USING TO CONTROL AIRWAY HYPERRESPONSIVENESS AND INFLAMMATION IN ASTHMA
申请人:UWM RESEARCH FOUNDATION, INC.
公开号:US20150232473A1
公开(公告)日:2015-08-20
Novel methods of treating inflammation and airway constriction using GABAergic compounds with reduced benzo-diazepine-like CNS activity are provided. Novel compounds which selectively target alpha-4 and alpha-5 GABA
A
receptors and methods of using those compounds to treat bronchoconstriction and inflammation are provided herein.
[EN] NOVEL GABAA AGONISTS AND METHODS OF USING TO CONTROL AIRWAY HYPERRESPONSIVENESS AND INFLAMMATION IN ASTHMA<br/>[FR] NOUVEAUX AGONISTES GABAA ET LEURS PROCÉDÉS D'UTILISATION POUR LUTTER CONTRE L'HYPEREXCITABILITÉ ET L'INFLAMMATION BRONCHIQUES AU COURS DE L'ASTHME
申请人:UWM RES FOUNDATION INC
公开号:WO2014047413A1
公开(公告)日:2014-03-27
Novel methods of treating inflammation and airway constriction using GABAergic compounds with reduced benzodiazepine-like CNS activity are provided. Novel compounds which selectively target alpha-4 and alpha-5 GABAA receptors and methods of using those compounds to treat bronchoconstriction and inflammation are provided herein.