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    • 1. 发明授权
    • Osteoprotegerin variant proteins
    • 骨保护素变体蛋白
    • US08530624B2
    • 2013-09-10
    • US12584802
    • 2009-09-11
    • Anthony RobertsGeorge KopsidasGregory CoiaMerilyn SleighVincent Batori
    • Anthony RobertsGeorge KopsidasGregory CoiaMerilyn SleighVincent Batori
    • C07K14/00C07K14/435C07K14/46C07K14/47C07K14/475
    • C07K14/70578
    • The present invention relates to novel osteoprotegerin variant proteins (GYPs) that demonstrate reduced binding affinity for their ligand TRAIL when compared to wild-type osteoprotegerin. Nucleic acids which encode these GYPs are also provided. Recombinant vectors and host cells expressing these GYPs are also encompassed as are methods of producing recombinant GYPs. The present invention also relates to compositions comprising these GYPs, and to methods of treating bone diseases characterised by increased bone turnover and/or loss. The GYPs of the invention are useful for preventing bone resorption and may be used to treat any condition resulting in abnormal bone turnover or bone loss such as osteoporosis, hypercalcemia, Paget's disease of bone, multiple myeloma, bone cancer and bone loss due to rheumatoid arthritis or osteomyelitis, and the like.
    • 本发明涉及当与野生型骨保护素相比时,其表现出对其配体TRAIL的结合亲和力降低的新型骨保护蛋白变体蛋白(GYP)。 还提供了编码这些GYP的核酸。 重组载体和表达这些GYP的宿主细胞也包括在生产重组GYP的方法中。 本发明还涉及包含这些GYP的组合物,以及治疗以增加的骨转换和/或损失为特征的骨疾病的方法。 本发明的GYP可用于预防骨吸收,并且可用于治疗导致异常骨周转或骨丢失的任何病症,例如骨质疏松症,高钙血症,骨的佩吉特氏病,多发性骨髓瘤,骨癌和类风湿性关节炎引起的骨丢失 或骨髓炎等。