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    • 8. 发明申请
    • NOVEL HUMAN GROWTH FACTORS
    • 新的人类成长因素
    • WO1998007749A1
    • 1998-02-26
    • PCT/US1997014139
    • 1997-08-22
    • HUMAN GENOME SCIENCES, INC.YU, Guo-LiangDILLON, Patrick, J.EBNER, ReinhardENDRESS, Gregory, A.
    • HUMAN GENOME SCIENCES, INC.
    • C07K14/475
    • C07K14/475A61K38/00C12N2799/026
    • The present invention relates to huXAG-1, huXAG-2 and huXAG-3 proteins which are novel human growth factors. These proteins share homology with the XAG protein of Xenopus laevis and can be found in colon tissue. huXAG-1 is specifically found in cancerous colon cells and may therefore be a growth factor for colon cancer. In particular, isolated nucleic acid molecules are provided encoding the huXAG-1, huXAG-2 and huXAG-3 proteins. huXAG-1, huXAG-2 and huXAG-3 polypeptides are also provided as are vectors, host cells and recombinant methods for producing the same. The invention further relates to screening methods for identifying agonists and antagonists of huXAG-1, huXAG-2 or huXAG-3 activity as well as diagnostic and therapeutic uses of the proteins.
    • 本发明涉及作为新型人生长因子的huXAG-1,huXAG-2和huXAG-3蛋白。 这些蛋白质与非洲爪蟾的XAG蛋白质具有同源性,并且可以在结肠组织中发现。 huXAG-1特异性地存在于癌性结肠细胞中,因此可能是结肠癌的生长因子。 特别地,提供编码huXAG-1,huXAG-2和huXAG-3蛋白的分离的核酸分子。 还提供huXAG-1,huXAG-2和huXAG-3多肽,载体,宿主细胞和用于制备它们的重组方法。 本发明还涉及用于鉴定huXAG-1,huXAG-2或huXAG-3活性的激动剂和拮抗剂以及蛋白质的诊断和治疗用途的筛选方法。