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    • 4. 发明授权
    • Methods and reagents for non-invasive imaging of atherosclerotic plaque
    • 用于动脉粥样硬化斑块非侵入性成像的方法和试剂
    • US06375925B1
    • 2002-04-23
    • US09381594
    • 1999-11-22
    • Sotorios TsimikasJoseph L. WitztumWulf PalinskiLinda K. Curtis
    • Sotorios TsimikasJoseph L. WitztumWulf PalinskiLinda K. Curtis
    • A61K5100
    • A61K51/1027A61K51/1093
    • The invention provides reagents and methods for their use in in vivo diagnosis of atherosclerosis. In particular, the invention provides monoclonal antibodies which bind oxidation specific epitopes in atherosclerotic plaque lesions, such as those which occur in oxidized LDL, in vivo with high binding specificity; i.e., at about 10 to 20 times the rate of binding of the antibodies to adjacent normal arterial tissue. When detectably labeled and administered according to the invention, the antibodies are clearly imaged when bound to atherosclerotic plaque using known imaging techniques and devices, such as a gamma camera. In addition, the invention provides a method for substantially reducing interference from background signal in the blood pool into which such agents are introduced for detection and quantification of atherosclerotic plaque burden in the cardiovascular tissue of a host.
    • 本发明提供了用于动脉粥样硬化体内诊断的试剂和方法。 特别地,本发明提供在动物粥样硬化斑块病变中结合氧化特异性表位的单克隆抗体,例如在氧化型LDL中发生的那些,具有高结合特异性; 即抗体相邻正常动脉组织结合速率的约10至20倍。 当根据本发明可检测地标记和施用时,当使用已知的成像技术和装置(例如γ照相机)结合动脉粥样硬化斑块时,抗体清楚地成像。 此外,本发明提供了一种用于基本上减少血库中背景信号的干扰的方法,其中引入这些药剂用于检测和定量主体心血管组织中的动脉粥样硬化斑块负荷。