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    • 35. 发明申请
    • Assay for and uses of peptide hormone receptor agonists
    • 测定和使用肽激素受体激动剂
    • US20030191114A1
    • 2003-10-09
    • US10441757
    • 2003-05-20
    • Alan S. KopinMartin Beinborn
    • A61K031/5513
    • C12Q1/02A61K38/00C07K14/72C07K2319/00G01N33/74G01N2333/72
    • The invention features a method for determining whether a candidate compound is a non-peptide agonist of a peptide hormone receptor. In this method, a candidate compound is exposed to a form of the peptide hormone receptor, or to a protein that interacts with a peptide hormone receptor, which has an enhanced ability to amplify the intrinsic activity of a non-peptide agonist. The second messenger signaling activity of the enhanced receptor is measured in the presence of the candidate compound, and compared to the second messenger signaling activity of the wildtype receptor measured in the absence of the candidate compound. A change in second messenger signaling activity indicates that the candidate compound is an agonist. An increase in second messenger signaling activity indicates that the compound is either a full or partial positive agonist; a decrease in second messenger signaling activity indicates that the compound is an inverse (also termed a nullnegativenull) agonist. The invention further embraces a method of using a peptide hormone receptor agonist for the treatment or prevention of a physiological disease, as well as particular enhanced receptors and the nucleic acid sequences which code for them.
    • 本发明的特征在于确定候选化合物是肽激素受体的非肽激动剂的方法。 在该方法中,候选化合物暴露于肽激素受体的形式,或与肽激素受体相互作用的蛋白质,其具有增强的非肽激动剂的内在活性的能力。 在候选化合物的存在下测量增强受体的第二信使信号活性,并与不存在候选化合物时测量的野生型受体的第二信使信号传导活性进行比较。 第二信使信号活动的变化表明候选化合物是激动剂。 第二信使信号活性的增加表明该化合物是全部或部分阳性激动剂; 第二信使信号传导活性的降低表明该化合物是反义(也称为“阴性”)激动剂。 本发明还包括使用肽激素受体激动剂来治疗或预防生理疾病的方法,以及特定的增强受体和编码它们的核酸序列。