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    • 95. 发明授权
    • Method for identifying muscarinic agents lacking miotic side effects
    • 识别缺乏瞳孔副作用的毒蕈碱药的方法
    • US5677327A
    • 1997-10-14
    • US493509
    • 1995-06-22
    • Daniel W. GilElizabeth Woldemussie
    • Daniel W. GilElizabeth Woldemussie
    • G01N33/50G01N33/94A61K31/415
    • G01N33/5044G01N33/5008G01N33/502G01N33/5088G01N33/944G01N2500/10Y10S514/913
    • The present invention provides a method for identifying a compound having muscarinic agonist activity that will lower intraocular pressure without causing miosis which comprises measuring the activity of the compound at the m.sub.3 and m.sub.5 muscarinic receptors and determining from the activity measurement a compound having at least twice the agonist activity at the m.sub.5 receptor as compared to the m.sub.3 receptor. Preferably, the method of measuring said muscarinic agonist activity comprises eliciting phosphoinositide hydrolysis in CHO-K1 cells stably expressing the m.sub.3 and m.sub.5 muscarinic receptor subtypes. The present invention also provides a method of lowering the intraocular pressure in a mammal which comprises administering to said mammal a compound that has been determined to have at least twice the agonist activity at the m.sub.5 receptor as compared to the m.sub.3 receptor.
    • 本发明提供了一种用于鉴定具有毒蕈碱激动剂活性的化合物的方法,其将降低眼内压而不引起瞳孔缩小,其包括测量化合物在m3和m5毒蕈碱受体的活性,并从活性测定确定具有至少两倍 与m3受体相比,m5受体的激动剂活性。 优选地,测量所述毒蕈碱激动剂活性的方法包括在稳定表达m3和m5毒蕈碱受体亚型的CHO-K1细胞中引发磷酸肌醇水解。 本发明还提供一种降低哺乳动物眼内压的方法,其包括向所述哺乳动物施用与m 3受体相比被确定具有m5受体的激动剂活性至少两倍的化合物。