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Potent, Selective, Water Soluble, Brain-Permeable EP2 Receptor Antagonist for Use in Central Nervous System Disease Models.
Journal of Medicinal Chemistry ( IF 6.8 ) Pub Date : 2020-01-16 , DOI: 10.1021/acs.jmedchem.9b01218
Radhika Amaradhi 1 , Avijit Banik 1 , Shabber Mohammed 1 , Vidyavathi Patro 1 , Asheebo Rojas 1 , Wenyi Wang 1 , Damoder Reddy Motati 1 , Ray Dingledine 1 , Thota Ganesh 1
Affiliation  

Activation of prostanoid EP2 receptor exacerbates neuroinflammatory and neurodegenerative pathology in central nervous system diseases such as epilepsy, Alzheimer's disease, and cerebral aneurysms. A selective and brain-permeable EP2 antagonist will be useful to attenuate the inflammatory consequences of EP2 activation and to reduce the severity of these chronic diseases. We recently developed a brain-permeable EP2 antagonist 1 (TG6-10-1), which displayed anti-inflammatory and neuroprotective actions in rodent models of status epilepticus. However, this compound exhibited moderate selectivity to EP2, a short plasma half-life in rodents (1.7 h) and low aqueous solubility (27 μM), limiting its use in animal models of chronic disease. With lead-optimization studies, we have developed several novel EP2 antagonists with improved water solubility, brain penetration, high EP2 potency, and selectivity. These novel inhibitors suppress inflammatory gene expression induced by EP2 receptor activation in a microglial cell line, reinforcing the use of EP2 antagonists as anti-inflammatory agents.

中文翻译:


用于中枢神经系统疾病模型的有效、选择性、水溶性、脑渗透性 EP2 受体拮抗剂。



前列腺素 EP2 受体的激活会加剧中枢神经系统疾病(如癫痫、阿尔茨海默病和脑动脉瘤)中的神经炎症和神经退行性病理。选择性和脑渗透性 EP2 拮抗剂将有助于减轻 EP2 激活的炎症后果并减轻这些慢性疾病的严重程度。我们最近开发了一种脑渗透性 EP2 拮抗剂 1 (TG6-10-1),它在癫痫持续状态啮齿动物模型中显示出抗炎和神经保护作用。然而,该化合物对 EP2 表现出中等选择性,在啮齿动物中的血浆半衰期较短(1.7 小时)且水溶性较低(27 μM),限制了其在慢性疾病动物模型中的使用。通过先导化合物优化研究,我们开发了几种新型 EP2 拮抗剂,这些拮抗剂具有改善的水溶性、脑渗透性、高 EP2 效力和选择性。这些新型抑制剂抑制小胶质细胞系中 EP2 受体激活诱导的炎症基因表达,增强了 EP2 拮抗剂作为抗炎剂的用途。
更新日期:2020-01-17
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