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    • 2. 发明授权
    • scFv antibodies which pass epithelial and/or endothelial layers
    • 通过上皮和/或内皮层的scFv抗体
    • US08936785B2
    • 2015-01-20
    • US12307875
    • 2007-07-10
    • Adrian Auf Der MaurAlcide BarberisDavid M. UrechPeter Lichtlen
    • Adrian Auf Der MaurAlcide BarberisDavid M. UrechPeter Lichtlen
    • A61K39/395C07K16/18C07K16/22C07K16/24A61K39/00
    • C07K16/18A61K39/39591A61K2039/505A61K2039/54C07K16/22C07K16/241C07K2317/24C07K2317/622
    • scFv antibodies which specifically bind selected antigens and are obtainable by a method comprising (i) selecting from a pool of soluble and stable antibody frameworks a soluble and stable framework matching best the framework of a non-human antibody against the antigen with a certain binding specificity, (ii) either providing said soluble and stable framework with CDRs that bind specifically to said antigen, or mutating the framework of said non-human antibody towards the sequence of said soluble and stable framework, to generate scFv antibodies, (iii) testing the generated antibody for solubility and stability, and testing the generated antibody for antigen binding, and (iv) selecting an scFV that is soluble, stable and binds to the antigen specifically. Also provided are pharmaceutical compositions comprising said scFv antibody, methods of treatment and diagnosis for diseases related to over expression of antigens that are specifically bound by said antibody.
    • scFv抗体,其特异性结合所选择的抗原,并且可通过以下方法获得:(i)从可溶性和稳定的抗体框架库中选择可溶性和稳定的框架,以最佳匹配抗人抗体的框架与一定的结合特异性 提供与所述抗原特异性结合的CDR提供所述可溶性和稳定的框架,或者将所述非人抗体的框架朝向所述可溶性和稳定框架的序列突变以产生scFv抗体,(iii)测试 产生抗体的溶解度和稳定性,并测试所产生的抗体的抗原结合,和(iv)选择可溶性,稳定并特异性结合抗原的scFV。 还提供了包含所述scFv抗体的药物组合物,与由所述抗体特异性结合的抗原过度表达相关疾病的治疗和诊断方法。