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    • 2. 发明申请
    • Protein for blocking platelet adhesion
    • 用于阻断血小板粘附的蛋白质
    • US20060094079A1
    • 2006-05-04
    • US11153433
    • 2005-06-16
    • Wolfgang StrittmatterDetlef GussowUwe HofmannJurgen HembergerZisi FotevBernhard Scheuble
    • Wolfgang StrittmatterDetlef GussowUwe HofmannJurgen HembergerZisi FotevBernhard Scheuble
    • C07H21/04C12N9/64
    • C07K14/43536A61K38/00
    • A naturally occurring protein isolated from the saliva of the medicinal leech Hirudo medicinalis is described which strongly binds to collagen thus acting as an inhibitor of natural platelet adhesion to collagen. The protein has a molecular weight of about 12,000, an acidic isoelectric point and contains six cysteins. The protein was sequenced and the gene was cloned from a H. medicinalis cDNA-library. Procedures for producing such polypeptide by recombinant techniques are disclosed. The recombinant and the natural occurring proteins are potent inhibitors of collagen-dependent platelet adhesion and therefore useful for the therapeutic treatment of various conditions related to heart disease and diseases of the circulation system. Furthermore, the protein is useful for coating natural or artificial collagen surfaces in order to render them nonadhesive for cells and prevent the activation of cells.
    • 描述了从药用水蛭Hirudo medicinalis的唾液中分离的天然存在的蛋白质,其与胶原强烈结合,从而作为天然血小板粘附到胶原的抑制剂。 蛋白质的分子量约为12,000,是酸性等电点,含有六个半胱氨酸。 对蛋白质进行测序,并从H. medicinalis cDNA文库克隆该基因。 公开了通过重组技术生产这种多肽的方法。 重组和天然存在的蛋白质是胶原依赖性血小板粘附的有效抑制剂,因此可用于治疗与心脏病和循环系统疾病有关的各种病症。 此外,该蛋白质可用于包被天然或人造胶原表面,以使其对细胞不粘附并阻止细胞的活化。
    • 4. 发明申请
    • Soluble recombinant alphavbeta3 adhesion receptor
    • 可溶性重组脂蛋白3粘附受体
    • US20050130137A1
    • 2005-06-16
    • US10460672
    • 2003-10-31
    • Simon GoodmanBeate DieffenbachDetlef GussowRaj MehtaEilish CullenAlex Brown
    • Simon GoodmanBeate DieffenbachDetlef GussowRaj MehtaEilish CullenAlex Brown
    • C12N15/09C07K1/22C07K14/705C12N15/12C12P21/02C12R1/91C12Q1/68C07H21/04
    • C07K14/70557C12N2799/026
    • The invention relates to a novel purified recombinant αVβ3 adhesion receptor which shows an unimpaired ligand binding activity, and a process for preparing said soluble non-membrane bound receptor in excellent yields by recombinant techniques using a baculovirus-insect cell expression system. The so-synthesized soluble receptor may be used very easily as screening tool for new therapeutic compounds which may inhibit the natural αvβ3 adhesion receptor. Such therapeutic compounds which can be discovered very easily, fast and without health risk by means of the souluble receptors according to the invention may be, for example, RGD peptides or non-peptidic compounds mimicking the natural ligand epitopes. The invention relates, furthermore, to a corresponding process for preparing recombinant full-length αVβ3 adhesion receptor in excellent yields, additionally using detergents to dissolve the membrane bound receptor from the surface of the host cell.
    • 本发明涉及一种显示出未受损配体结合活性的新型纯化的重组α3 N 3 3 N 3粘附受体,以及制备所述可溶性非膜结合受体的方法 通过使用杆状病毒 - 昆虫细胞表达系统的重组技术获得。 如此合成的可溶性受体可以非常容易地用作可能抑制天然α3β3粘附受体的新的治疗化合物的筛选工具。 可以通过根据本发明的灵魂受体非常容易,快速且没有健康风险发现的这种治疗化合物可以是例如RGD肽或模仿天然配体表位的非肽化合物。 此外,本发明还涉及以优异的产率制备重组全长α1 H 3β3 N粘附受体的相应方法,另外使用洗涤剂将膜结合受体从 宿主细胞的表面。