NOVEL ANTIPLATELET AGENT
    122.
    发明申请
    NOVEL ANTIPLATELET AGENT 失效
    新型抗反射剂

    公开(公告)号:US20020123457A1

    公开(公告)日:2002-09-05

    申请号:US09381261

    申请日:1999-12-07

    CPC classification number: C07K14/355 A61K38/00

    Abstract: This invention combines the unique antiplatelet effects of S-nitrosothiols and the antiadhesive properties of fragments of vWF in the A1 domain to provide unique molecules that exploit both of these properties. Preferred molecules comprise a fragment of A1 (ala444-asp73O) in which arginine at position 545 is replaced by cysteine (the most frequent von Willebrand disease type 2b mutation) that has been discovered to impair platelet adhesion, and to exhibit antithrombotic activity in vivo. This cysteine residue may be S-nitrosated to produce a novel molecule that has the potential for impairing platelet adhesion as well as activation/aggregation, and such molecules form the basis of a novel therapeutic method for impairing platelet responses following vascular injury or in other thrombotic disorders according to this invention.

    Abstract translation: 本发明将S-亚硝基硫醇的独特抗血小板作用和vWF片段的抗粘附性质结合在A1结构域中,以提供利用这两种特性的独特分子。 优选的分子包含A1(ala444-asp73O)的片段,其中545处的精氨酸被已被发现损伤血小板粘附的半胱氨酸(最常见的血管性血友病血型B型突变)所代替,并在体内表现出抗血栓形成活性。 该半胱氨酸残基可以被S-亚硝基化以产生具有损害血小板粘附和活化/聚集的潜力的新分子,并且这些分子形成用于损伤血管损伤或其它血栓形成后血小板反应的新型治疗方法的基础 根据本发明的病症。

    Hepatitis C protease exosite for inhibit or design
    129.
    发明申请
    Hepatitis C protease exosite for inhibit or design 审中-公开
    丙型肝炎蛋白酶外界抑制或设计

    公开(公告)号:US20020102533A1

    公开(公告)日:2002-08-01

    申请号:US09878579

    申请日:2001-06-11

    CPC classification number: C12N9/506 C12Q1/37 G01N33/5767 G01N2500/04

    Abstract: This invention relates to a novel method of hepatitis C protease inhibition through interaction with a novel exosite remote from the active site but overlapping with P4null-P6null region of the extended substrate binding site. In particular, the present invention provides a description of a region of the enzyme and structure activity relationships of peptides with affinity for this exosite. Ligands binding in the exosite are competitive with larger substrates such as the physiological substrate. As such, exploitation of the exosite represents a therapeutic for the hepatitis C disease.

    Abstract translation: 本发明涉及通过与远离活性位点但与扩展的底物结合位点的P4'-P6'区重叠的新型外显子相互作用的丙型肝炎蛋白酶抑制的新方法。 特别地,本发明提供酶的区域和对该外部位点的亲和力的肽的结构活性关系的描述。 在外部位点结合的配体与较大的底物如生理底物竞争。 因此,外部位点的开发代表了丙型肝炎疾病的治疗剂。

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