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    • 39. 发明授权
    • Assay methods and systems utilizing mast cell clones
    • 使用肥大细胞克隆的测定方法和系统
    • US4559310A
    • 1985-12-17
    • US496543
    • 1983-05-20
    • Harvey I. CantorGary Nabel
    • Harvey I. CantorGary Nabel
    • C12N5/0787G01N33/554G01N33/68
    • G01N33/6854C12N5/0642G01N33/554C12N2501/59C12N2502/11C12N2503/02Y10S435/975Y10S436/808
    • The present invention is directed to an in vitro assay, useful in determining the effectiveness of anti-allergy compounds and/or useful in measuring the degree of sensitivity of a patient to particular allergens.The present invention permits potential anti-allergy agents to be assayed in a number of ways. For example, the binding and dissociation rates of IgE to the mast cells in the presence and the absence of the substance being tested may be measured thereby giving a direct indication of that substance's ability to interfere with the IgE binding reaction. Another measure of a substance's potential as an anti-allergy agent is based upon the release of mediators or other compounds from the mast cells after sensitization by the allergen and exposure of the sensitized cells to the allergen.The present invention generally involves the following steps:(a) sensitizing cloned mast cells to an allergen;(b) exposing sensitized mast cells to the allergen in the presence of a test anti-allergy agent; and(c) measuring the reaction products of step (b) for an indication of test compound effect.
    • 本发明涉及用于确定抗过敏化合物的有效性和/或可用于测量患者对特定变应原的敏感度的体外测定。 本发明允许以多种方式测定潜在的抗过敏剂。 例如,可以测量在存在和不存在被测物质时IgE与肥大细胞的结合和解离速率,从而直接指示该物质干扰IgE结合反应的能力。 物质作为抗过敏剂的潜力的另一个测量是基于过敏原致敏后暴露于致敏细胞后释放介质或其他化合物从肥大细胞中释放。 本发明通常包括以下步骤:(a)使克隆的肥大细胞对过敏原敏感; (b)在测试抗过敏剂的存在下将致敏的肥大细胞暴露于变应原; 和(c)测量步骤(b)的反应产物以表明测试化合物的作用。