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    • 7. 发明授权
    • Agonizing dimeric cell-surface receptors with a receptor binding moiety and chelating metal
    • 用受体结合部分和螯合金属激活二聚体细胞表面受体
    • US06413952B1
    • 2002-07-02
    • US09301897
    • 1999-04-29
    • Juan I. LuengoStephen G. MillerJohn G. Gleason
    • Juan I. LuengoStephen G. MillerJohn G. Gleason
    • A01N5502
    • C07D487/04A61K31/315A61K31/4439A61K31/555C07F3/003
    • Dimeric cell-surface receptors in a subject are agonized by administering a metal chelated dimeric cell-surface receptor ligand formed by chelating a receptor binding moiety with a metal ion such as zinc, or by co-administering the receptor binding moiety and the metal ion. The binding moiety is a small organic molecule having a molecular weight of from about 100 to about 850, and metal chelation may form a symmetrical multimer such as a dimer of the receptor binding moiety. An example is bis{2,5-bis[2-benzimidazolylimino]-3a,6a-bis(2-pyridyl)-1,2,3,3a,4,5,6,6a-octahydroimidazo[4,5-d]imidazole-N,N′}-zinc(II). Dimeric cell surface receptors include granulocyte colony-stimulating factor, erythropoeitin receptor, macrophage-colony-stimulating factor, growth hormone receptor, thrombopoietin receptor, interferon alpha receptor, interferon beta receptor, tyrosine kinase receptor, insulin receptor and leptin receptor. A pharmaceutical composition containing a carrier and the ligand or the binding moiety and the metal ion separately can be used to enhance leukocyte production and to treat bacterial and fungal infections.
    • 通过施用通过螯合受体结合部分与金属离子如锌形成的金属螯合的二聚体细胞表面受体配体,或通过共同施用受体结合部分和金属离子来激发受试者中的二聚体细胞表面受体。 结合部分是分子量为约100至约850的小有机分子,金属螯合可以形成对称的多聚体,例如受体结合部分的二聚体。 一个例子是双{2,5-双[2-苯并咪唑并咪唑啉] -3a,6a-双(2-吡啶基)-1,2,3,3a,4,5,6,6a-八氢咪唑并[4,5-d ]咪唑-N,N' - 锌(II)。 二聚体细胞表面受体包括粒细胞集落刺激因子,红细胞生成素受体,巨噬细胞集落刺激因子,生长激素受体,血小板生成素受体,干扰素α受体,干扰素β受体,酪氨酸激酶受体,胰岛素受体和瘦蛋白受体。 可以使用含有载体​​和配体或结合部分和金属离子的药物组合物来增强白细胞产生和治疗细菌和真菌感染。