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    • 10. 发明申请
    • THERAPEUTIC MOLECULES
    • 治疗分子
    • WO2005030803A1
    • 2005-04-07
    • PCT/AU2004/001336
    • 2004-09-29
    • THE WALTER AND ELIZA HALL INSTITUTE OF MEDICAL RESEARCHBACA, ManuelFAIRLIE, Walter, DouglasUBOLDI, Alessandro, Dimitri
    • BACA, ManuelFAIRLIE, Walter, DouglasUBOLDI, Alessandro, Dimitri
    • C07K14/52
    • C07K14/5415A61K38/00
    • The present invention relates generally to Leukemia Inhibitory Factor (LIF) variants. More particularly, the present invention provides cytokine antagonists and agonists. Even more particularly, the present invention provides agonists and antagonists of cytokines which act via the Leukemia Inhibitory Factor (LIF) receptor a-chain (LIFR) and gp130 signalling system. The agonists and antagonists are based on modified forms of LIF. The agonists and antagonists of the present invention are also useful as targets for developing or screening for chemical mimetics and in particular small chemical mimetics of the modified LIF molecules. The agonists and antagonists of the present invention are useful agents in the treatment and/or prophylaxis of cytokine-mediated conditions including inflammation, cancer growth, fertility and pregnancy, or for the culturing of embryonic stem cells. The present invention further contemplates a method for modulating cytokine-mediated physiological or disease conditions such as inflammation, cancer, fertility or pregnancy as well as compositions comprising the antagonists.
    • 本发明一般涉及白血病抑制因子(LIF)变体。 更具体地,本发明提供细胞因子拮抗剂和激动剂。 更具体地,本发明提供通过白血病抑制因子(LIF)受体a链(LIFR)和gp130信号传导系统起作用的细胞因子的激动剂和拮抗剂。 激动剂和拮抗剂是基于修饰形式的LIF。 本发明的激动剂和拮抗剂也可用作开发或筛选化学模拟物,特别是修饰的LIF分子的小化学模拟物的靶标。 本发明的激动剂和拮抗剂是治疗和/或预防细胞因子介导的病症(包括炎症,癌症生长,生育力和怀孕)或用于培养胚胎干细胞的有用试剂。 本发明进一步考虑了调节细胞因子介导的生理或疾病状况如炎症,癌症,生育力或怀孕以及包含拮抗剂的组合物的方法。