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    • 10. 发明授权
    • Animal model for detection of vulnerable plaques
    • 用于检测脆弱斑块的动物模型
    • US06580016B2
    • 2003-06-17
    • US09760182
    • 2001-01-12
    • Paul S. TeirsteinKenneth W. CarpenterIstvan SzinaiDavid A. Schwartz
    • Paul S. TeirsteinKenneth W. CarpenterIstvan SzinaiDavid A. Schwartz
    • A01K6700
    • A61K49/126A61B6/4057A61B6/481A61B6/508A61K49/0442A61K49/085A61K51/065G01N33/92G01N2400/40G01N2800/323
    • The present invention provides in vivo methods for detection of vulnerable plaque in a subject in need thereof. In the invention method the subject is administered a diagnostic amount of a biologically compatible detectable lipid-avid agent, the detectable lipid-avid agent is allowed to penetrate arterial walls and attach to any lipid accumulations of oxidized LDL-cholesterol in arterial walls in the wall of an artery; unbound detectable lipid-avid agent is allowed to clear from the body by natural processes, and the presence of the detectable lipid-avid agent attached to the lipid accumulation in the wall of the artery is detected. Detection of bound lipid-avid agent indicates the presence of a vulnerable plaque and predicts a heightened risk of lethal heart attack or thrombus. The detectable lipid-avid agent is selected for its ability to penetrate arterial walls and bind with oxidized LDL-cholesterol in the lipid accumulation in a vulnerable plaque. Alternatively, macrophage-avid agents, for example a lipid-avid agent attached to a macrophage-specific antibody, can be used in the invention methods. The invention further includes methods for in vitro assays for detecting vulnerable plaque and a porcine animal model of vulnerable plaque useful for testing treatment modalities.
    • 本发明提供了在有需要的受试者中检测易损斑块的体内方法。 在本发明方法中,给予受试者诊断量的生物相容性可检测的脂质 - 抗体试剂,允许可检测的脂质激动剂渗透动脉壁并附着于壁中动脉壁中氧化的LDL-胆固醇的任何脂质积聚 的动脉 通过天然过程使未结合的可检测的脂质 - 抗体试剂从身体中清除,并且检测附着在动脉壁中的脂质积聚的可检测的脂质激动剂的存在。 检测结合的脂质抗体剂表明存在易受伤害的斑块,并预测致死性心脏病发作或血栓的风险增加。 选择可检测的脂质抗体试剂,以其穿透动脉壁并与氧化的LDL-胆固醇结合在易损斑块中的脂质积聚中。 或者,巨噬细胞激动剂,例如与巨噬细胞特异性抗体连接的脂质 - 抗体试剂可用于本发明的方法中。 本发明还包括用于检测易损斑块的体外测定方法和用于测试治疗方式的易损斑块的猪动物模型。