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    • 5. 发明授权
    • Methods for inhibiting TGF-&bgr; activity
    • 抑制TGF-β活性的方法
    • US06277812B1
    • 2001-08-21
    • US08458834
    • 1995-06-02
    • Erkki I. RuoslahtiYu Yamaguchi
    • Erkki I. RuoslahtiYu Yamaguchi
    • A01N6100
    • C07K14/4703A61K38/00C07K14/4725C07K14/475C07K14/495C07K2319/00
    • The present invention provides a method of inhibiting an activity of a cell regulatory factor comprising contacting the cell regulatory factor with a purified polypeptide, wherein the polypeptide comprises the cell regulatory factor binding domain of a protein and wherein the protein is characterized by a leucine-rich repeat of about 24 amino acids. In a specific embodiment, the present invention relates to the ability of decorin, a 40,000 dalton protein that usually carries a glycosaminoglycan chain, to bind TGF-&bgr;. The invention also provides a novel cell regulatory factor designated MRF. Also provided are methods of identifying, detecting and purifying cell regulatory factors and proteins which bind and affect the activity of cell regulatory factors. The present invention further relates to methods for the prevention or reduction of scarring by administering decorin or a functional equivalent of decorin to a wound. The methods are particularly useful for dermal wounds resulting from burns, injuries or surgery. In addition, the present invention includes pharmaceutical compositions containing decorin or its functional equivalent and a pharmaceutically acceptable carrier useful in such methods. Finally, methods for preventing or inhibiting pathological conditions by administering decorin are also provided.
    • 本发明提供了抑制细胞调节因子活性的方法,包括使细胞调节因子与纯化的多肽接触,其中所述多肽包含蛋白质的细胞调节因子结合结构域,其中所述蛋白质的特征在于富含亮氨酸 重复约24个氨基酸。 在一个具体实施方案中,本发明涉及核心蛋白聚糖,通常携带糖胺聚糖链的40,000道尔顿蛋白结合TGF-β的能力。 本发明还提供了称为MRF的新型细胞调节因子。 还提供鉴定,检测和纯化结合并影响细胞调节因子活性的细胞调节因子和蛋白质的方法。 本发明还涉及通过给予伤口的核心蛋白聚糖或核心蛋白聚糖的功能等同物来预防或减少瘢痕形成的方法。 这些方法对于由烧伤,损伤或手术引起的皮肤伤口特别有用。 此外,本发明包括含有核心蛋白聚糖蛋白聚糖或其功能等同物的药物组合物和可用于这些方法的药学上可接受的载体。 最后,还提供了通过管理核心蛋白聚糖来预防或抑制病理状况的方法。
    • 7. 发明授权
    • Fibronectin Type III polypeptides
    • 纤连蛋白III型多肽
    • US5837813A
    • 1998-11-17
    • US460421
    • 1995-06-01
    • Erkki I. RuoslahtiAlex Morla
    • Erkki I. RuoslahtiAlex Morla
    • A61K38/00C07K14/78A61K38/39
    • C07K14/78A61K38/00
    • The present invention provides fibronectin self-assembly sites. The invention provides a set of polypeptides derived from the first type III repeat of fibronectin which contain a fibronectin-fibronectin binding site. These polypeptides have been used to obtain a second set of polypeptides derived from the C-terminal type I repeats which contain a second fibronectin-fibronectin binding site which interacts with the first type III repeat of fibronectin. These polypeptides are capable of inhibiting fibronectin matrix assembly by interfering with fibronectin-fibronectin binding. These polypeptides are also capable of enhancing fibronectin matrix assembly and inducing disulfide cross-linking of fibronectin molecules in vitro. In addition, these polypeptides are capable of inhibiting migration of tumor cells. The polypeptides of the present invention have a number of related uses as well.
    • 本发明提供纤连蛋白自组装位点。 本发明提供一组衍生自含有纤连蛋白 - 纤连蛋白结合位点的纤连蛋白的第一III型重复序列的多肽。 已经使用这些多肽获得源自C末端I型重复序列的第二组多肽,其含有与纤连蛋白的第一III型重复相互作用的第二纤连蛋白 - 纤连蛋白结合位点。 这些多肽能够通过干扰纤连蛋白 - 纤连蛋白结合来抑制纤连蛋白基质组装。 这些多肽还能够体外增强纤连蛋白基质的组装和诱导纤连蛋白分子的二硫键交联。 此外,这些多肽能够抑制肿瘤细胞的迁移。 本发明的多肽也具有许多相关用途。