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    • 83. 发明授权
    • Method for imaging a site of arthritis in an animal
    • 用于成像动物中关节炎部位的方法
    • US09585972B2
    • 2017-03-07
    • US14116711
    • 2012-05-09
    • Sherry L. ThorntonXiaoyang QiMatthew J. Flick
    • Sherry L. ThorntonXiaoyang QiMatthew J. Flick
    • A61B5/00A61B8/00A61B10/00A61K49/00A61K9/51
    • A61K49/0056A61B5/004A61B5/0071A61B5/4528A61B2503/40A61K9/5146A61K49/0017
    • The present disclosure demonstrates that a nanovesicle comprising a membrane-associated lysosomal protein (saposin C; “SapC”) incorporated into a phospholipid has a high fusogenic affinity for phosphatidylserine-rich domains on the surfaces of target cell membranes. It is believed that the nanovesicles target surface exposed phosphatidylserine on the membranes of cells associated with arthritis, allowing for detection of local tissue damage associated with arthritis. In plasma membranes, phosphatidylserine is normally present only on the inner leaflet but is “flipped” to the outer leaflet upon the presence of cell damage. Incorporation of the fluorophore in the nanovesicles allows for the in vivo visualization of the fluorophore in targeted tissue and provides a technique to detect and evaluate the onset and progression of arthritic disease in an animal. Furthermore, the use of the nanovesicle in optical imaging methods provides great promise for analyzing events occurring early in the pathogenesis of arthritis and arthritic disease.
    • 本公开内容表明包含掺入磷脂的膜相关溶酶体蛋白(saposin C;“SapC”)的纳米囊体对靶细胞膜表面上的磷脂酰丝氨酸富集结构域具有高融合亲和力。 据信纳米囊体将表面暴露的磷脂酰丝氨酸靶向与关节炎相关的细胞膜,允许检测与关节炎相关的局部组织损伤。 在质膜中,磷脂酰丝氨酸通常仅存在于内部小叶上,但是在存在细胞损伤时被“翻转”到外部小叶上。 荧光团在纳米囊中的引入允许目标组织中的荧光团的体内可视化,并且提供了检测和评价动物中关节炎疾病发病和进展的技术。 此外,纳米囊在光学成像方法中的应用为分析关节炎和关节炎疾病发病早期发生的事件提供了巨大的前景。
    • 90. 发明申请
    • Compounds With Modifying Activity Enhanced Under Hypoxic Conditions
    • 低氧条件下改性活性增强的化合物
    • US20150152390A1
    • 2015-06-04
    • US14531774
    • 2014-11-03
    • Board of Regents, The University of Texas System
    • Frederick M. MacDonnellThamara K. JanaratneSanjay Awashti
    • C12N5/09
    • C12N5/0693A61K31/435A61K49/0017C07F15/0046C07F15/0053C12N2500/10
    • Compositions and methods for modifying one or more biologic targets are provided. Suitable targets include cells, DNA, proteins, enzymes, and/or a subject in need thereof. The compositions may exist as a monomer or multimer and are active in a biologic environment with enhanced activity in hypoxic environments and, thus, exhibit improved specificity for hypoxic biologic targets (e.g., tumorigenic cells and those undergoing uncontrolled cell growth). A composition typically comprises a complex with an overall charge of 2+ or greater having at least one ruthenium atom attached to a redox active ligand. The redox active ligand helps maintain separation of more than one ruthenium atom. Suitable compositions may further include a terminal ligand comprising a heterocyclic aromatic compound. When provided to a biologic target, the composition modifies the biologic target and no additional compounds need be provided. Suitable compositions are typically catalytic and regenerative in the presence of a reducing agent.
    • 提供了修改一个或多个生物靶标的组合物和方法。 合适的靶标包括细胞,DNA,蛋白质,酶和/或有需要的受试者。 组合物可以作为单体或多聚体存在,并且在缺氧环境中具有增强活性的生物环境中具有活性,因此对缺氧生物靶标(例如致瘤细胞和经受不受控制的细胞生长的那些)表现出改善的特异性。 组合物通常包含具有2+或更大的总电荷的复合物,其具有连接到氧化还原活性配体的至少一个钌原子。 氧化还原活性配体有助于保持多于一个钌原子的分离。 合适的组合物还可以包括包含杂环芳族化合物的末端配体。 当提供给生物靶标时,组合物修饰生物靶标,不需要提供其他化合物。 合适的组合物通常在还原剂存在下是催化和再生的。