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    • 3. 发明申请
    • LIGANDS THAT BIND TGF-BETA RECEPTOR RII
    • 结合TGF-β受体RII的配体
    • WO2011012609A2
    • 2011-02-03
    • PCT/EP2010/060867
    • 2010-07-27
    • GLAXO GROUP LIMITEDDE WILDT, Rudolf MariaDIMECH, Caroline JHOLMES, SteveSTOOP, Adriaan Allart
    • DE WILDT, Rudolf MariaDIMECH, Caroline JHOLMES, SteveSTOOP, Adriaan Allart
    • C07K16/28
    • C07K16/2863C07K16/40C07K2317/21C07K2317/56C07K2317/565C07K2317/567C07K2317/569C07K2317/76C07K2317/92
    • The invention provides an anti-TGFbetaRII immunoglobulin single variable domain. Suitably, an anti-TGFbetaRII immunoglobulin single variable domain in accordance with the invention is one which binds to TGFbetaRII with a dissociation constant (Kd) in the range of 10pM to 50nM, preferably 10pM to 10nM, preferably 250pM to 10nM. Isolated polypeptides comprising an amino acid sequence that is at least 70% identical to at least one amino acid sequence selected from the group of: SEQ ID NOs: 1 to 23, wherein said isolated polypeptide binds to TGFbetaRII are also provided. The invention also provides a polypeptide, ligand or pharmaceutical composition for treating a disease associated with TGFbeta signalling and suitably a disease selected from the group of: tissue fibrosis, such as pulmonary fibrosis, including idiopathic pulmonary fibrosis, liver fibrosis, including cirrhosis and chronic hepatitis, rheumatoid arthritis, ocular disorders, or fibrosis of the skin, including keloid of skin, and kidney such as nephritis, kidney fibrosis and nephrosclerosis, and a vascular condition, such as restenosis.
    • 本发明提供抗TGFbetaRII免疫球蛋白单可变结构域。 合适地,根据本发明的抗TGFbetaRII免疫球蛋白单可变结构域是以10pM至50nM,优选10pM至10nM,优选250pM至10nM范围内的解离常数(Kd)结合TGFβRII的结构域。 分离的多肽包含与选自SEQ ID NO:1至23的至少一个氨基酸序列至少70%相同的氨基酸序列,其中所述分离的多肽与TGFbetaRII结合。 本发明还提供了用于治疗与TGFbeta信号传导相关疾病的合适的多肽,配体或药物组合物,适当地选自以下组中的疾病:组织纤维化,例如肺纤维化,包括特发性肺纤维化,肝纤维化,包括肝硬化和慢性肝炎 ,类风湿性关节炎,眼部疾病或皮肤纤维化,包括皮肤瘢痕疙瘩和肾脏如肾炎,肾纤维化和肾硬化,以及血管病变,如再狭窄。