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    • 4. 发明授权
    • IL-21 as a regulator of immunoglobin production
    • IL-21作为免疫球蛋白生产的调节剂
    • US07332645B2
    • 2008-02-19
    • US11027868
    • 2004-12-30
    • Warren J. LeonardKatsutoshi OzakiRosanne Spolski
    • Warren J. LeonardKatsutoshi OzakiRosanne Spolski
    • A01K67/00A01K67/033A01K67/027C07H21/02C07H21/04C12N15/00
    • C07K14/7155A01K67/0276A01K2217/05A01K2227/105A01K2267/0381C07K14/5406C12N15/8509
    • A transgenic mouse is disclosed herein whose somatic and germ cells comprise a disrupted IL-21 receptor gene, the disruption being sufficient to inhibit the binding of IL-21 to an IL-21 receptor, and a disrupted IL-4 gene, the disruption being sufficient to inhibit the production of IL-4 or the binding of IL-4 to the IL-4 receptor. A mouse homozygous for the disrupted IL-21 receptor gene and homozygous for the disrupted IL-4 gene has diminished B cell function. A method is disclosed for altering a B cell activity. The method includes administering a therapeutically effective amount of an agent that interferes with the interaction of IL-21 with an IL-21 receptor, thereby altering the B cell activity. A method is also disclosed for of treating a subject with Job's disorder or atopic disease. A method is also disclosed for treating or preventing an allergic reaction in a subject. A method is also disclosed for treating a subject with an autoimmune or antibody mediated disorder.
    • 本文公开了一种转基因小鼠,其体细胞和生殖细胞包含破坏的IL-21受体基因,所述破坏足以抑制IL-21与IL-21受体的结合以及破坏的IL-4基因,所述破坏是 足以抑制IL-4的产生或IL-4与IL-4受体的结合。 对于破坏的IL-21受体基因纯合的小鼠和破坏的IL-4基因是纯合的,具有减少的B细胞功能。 公开了用于改变B细胞活性的方法。 该方法包括施用治疗有效量的干扰IL-21与IL-21受体相互作用的试剂,由此改变B细胞活性。 还公开了用于治疗患有约瑟病或特应性疾病的受试者的方法。 还公开了用于治疗或预防受试者的过敏反应的方法。 还公开了用自身免疫或抗体介导的病症治疗受试者的方法。