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    • 6. 发明授权
    • Compositions and methods for diagnosis and treatment of tumors
    • 用于诊断和治疗肿瘤的组合物和方法
    • US07803380B2
    • 2010-09-28
    • US12340211
    • 2008-12-19
    • Vivian TakafujiXin Wei Wang
    • Vivian TakafujiXin Wei Wang
    • A61K39/38A61K38/00
    • C07K16/2848A61K38/00A61K2039/505C07K16/18C07K16/24C07K16/2884C07K16/40C07K2317/76G01N33/57438G01N33/57484G01N2333/52
    • Based on the observation of the cooperation of osteopontin (OPN) and matrixmetalloproteinase-9 (MMP-9) in the promotion of the metastatic phenotype, therapies and diagnostic assays are disclosed for the treatment of a tumor that overexpresses OPN, such as hepatocellular carcinoma (HCC), for example metastatic HCC. In one example, methods of treating a tumor include administration of an agent that reduces cellular invasion resulting from the interaction between a fragment of OPN (OPN-5kD) generated by MMP-9 cleavage and CD44 receptor. Examples of such agents include fragments of OPN-5kD and antibodies specific for OPN-5kD. Therapeutic compositions are also provided that include such agents. Also provided are methods of diagnosing or prognosing a tumor, for example by detecting expression of OPN-5kD peptide or OPN-c mRNA in a biological sample obtained from the subject. Also provided are antibodies that specifically bind OPN-5kD.
    • 基于骨桥蛋白(OPN)和基质金属蛋白酶-9(MMP-9)在促进转移表型中的合作观察,公开了治疗和过度表达OPN的肿瘤如肝细胞癌( HCC),例如转移性HCC。 在一个实例中,治疗肿瘤的方法包括施用减少由MMP-9切割产生的OPN片段(OPN-5kD)与CD44受体之间的相互作用而引起的细胞侵袭的药剂。 这些试剂的实例包括OPN-5kD片段和OPN-5kD特异性抗体。 还提供包括这些试剂的治疗组合物。 还提供了诊断或预后肿瘤的方法,例如通过检测从受试者获得的生物样品中OPN-5kD肽或OPN-cmRNA的表达。 还提供了特异性结合OPN-5kD的抗体。