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    • 1. 发明申请
    • METHOD OF SELECTIVE PROTEIN ENRICHMENT AND ASSOCIATED APPLICATIONS
    • 选择性蛋白质丰富和相关应用的方法
    • WO2008008709A2
    • 2008-01-17
    • PCT/US2007072947
    • 2007-07-06
    • LEAP BIOSCIENCE CORPHUI CEN
    • HUI CEN
    • G01N33/53
    • G01N33/554G01N33/6803
    • Provided herein are methods of selective enrichment of ligands present in a suitable biological sample. According to the invention, one or a plurality of receptor carriers may be used to capture ligands which are capable of binding to receptors immobilized on the surface of the receptor carriers. The receptor carriers bound with the ligands are separated from the remaining sample and the ligands are then eluted with a ligand elution solution to result in a ligand-containing solution, which is further concentrated to give a ligand sample. In one embodiment, the receptor carriers are living cells comprising a plurality of receptors on the outer leaflet of cytoplasmic membranes. Ligand samples obtained by the present invention may be useful for ligand profiling, for example, via any known methods including 2-D gel electrophoresis coupled with mass spectrometry, for example.
    • 本文提供选择性富集存在于合适的生物样品中的配体的方法。 根据本发明,可以使用一种或多种受体载体捕获能够结合固定在受体载体表面上的受体的配体。 与配体结合的受体载体与剩余的样品分离,然后用配体洗脱溶液洗脱配体,得到含配体的溶液,其进一步浓缩得到配体样品。 在一个实施方案中,受体载体是在细胞质膜外叶上包含多个受体的活细胞。 通过本发明获得的配体样品可用于配体分析,例如通过任何已知的方法,包括与质谱联用的2-D凝胶电泳。
    • 6. 发明授权
    • .gamma. II adaptin
    • γII适应症
    • US6165733A
    • 2000-12-26
    • US861745
    • 1997-05-22
    • Hui CenLewis T. Williams
    • Hui CenLewis T. Williams
    • C07K14/47C12N9/12C12N15/12C12Q1/00C07K14/46C12N15/62
    • C12N9/1205C07K14/47C07K2319/00
    • A mammalian protein involved in receptor-mediated endocytosis specifically binds to phosphatidylinositol 3-kinase. More specifically it binds to the Bcr homology domain of the p85 subunit of phosphatidylinositol 3-kinase. Phathoidylinositol 3-kinase also binds to platelet derived growth factor receptor. Other receptors may also bind, including those for insulin, insulin-like growth factor-1, colony stimulating factor 1, nerve growth factor, hepatocyte growth factor, stem cell growth factor, and epidermal growth factor. Mitogenesis is the consequence of the binding and internalization of these growth factors. Inhibition of the process of receptor-mediated internalization inhibits mitogenesis.
    • 参与受体介导的内吞作用的哺乳动物蛋白质特异性结合磷脂酰肌醇3-激酶。 更具体地说,它结合磷脂酰肌醇3-激酶的p85亚基的Bcr同源结构域。 Phathoidylinositol 3-kinase也与血小板衍生生长因子受体结合。 其他受体也可能结合,包括胰岛素,胰岛素样生长因子-1,集落刺激因子1,神经生长因子,肝细胞生长因子,干细胞生长因子和表皮生长因子。 有丝分裂是这些生长因子的结合和内化的结果。 受体介导的内化过程的抑制抑制有丝分裂。
    • 7. 发明授权
    • Enzyme substrate comprising a functional dye and associated technology and methods
    • 酶底物包含功能染料及相关技术和方法
    • US08586325B2
    • 2013-11-19
    • US13891406
    • 2013-05-10
    • Fei MaoHui Cen
    • Fei MaoHui Cen
    • C12Q1/37A61K38/14C07D279/08
    • C12N9/96C07D263/60C07D417/06C07D501/00C07K7/06C12Q1/37C12Q1/48C12Q1/485G01N21/6486G01N33/582
    • Enzyme substrates and associated technology of the present invention are provided. An enzyme substrate of the invention may comprise a biologically functional fluorescent dye and an enzyme-specific substrate moiety attached in such a way that the functionality of the functional dye is diminished. An enzymatic reaction may cleave at least a portion of the substrate moiety from the enzyme substrate to provide a more functional product dye. This product dye may be nonfluorescent or weakly fluorescent, in general, and relatively fluorescent, in a particular condition, such as when bound to a partner biological molecule or an assembly of partner biological molecules. An enzyme substrate of the present invention may thus be useful in fluorescence detection, and/or in any of a variety of useful applications, such as the detection of enzymatic activity in a cell-free system or in a living cell, the screening of drugs, or the diagnosis of disease.
    • 提供了本发明的酶底物和相关技术。 本发明的酶底物可以包含生物功能性荧光染料和酶特异性底物部分,其功能性染料的官能度减弱。 酶反应可以从酶底物切割底物部分的至少一部分以提供更多功能的产物染料。 通常,在特定条件下,例如当结合到伴侣生物分子或伴侣生物分子的组合时,该产物染料通常可以是非荧光的或弱荧光的,并且是相对荧光的。 因此,本发明的酶底物可用于荧光检测和/或各种有用应用中的任何一种,例如在无细胞系统或活细胞中检测酶活性,筛选药物 ,或疾病的诊断。
    • 8. 发明授权
    • Enzyme substrate comprising a functional dye and associated technology and methods
    • 酶底物包含功能染料及相关技术和方法
    • US08092784B2
    • 2012-01-10
    • US12095322
    • 2006-11-21
    • Fei MaoHui CenWai-yee Leung
    • Fei MaoHui CenWai-yee Leung
    • A61B10/00C12Q1/68
    • C12N9/96C07D263/60C07D417/06C07D501/00C07K7/06C12Q1/37C12Q1/48C12Q1/485G01N21/6486G01N33/582
    • Enzyme substrates and associated technology of the present invention are provided. An enzyme substrate of the invention may comprise a biologically functional fluorescent dye and an enzyme-specific substrate moiety attached in such a way that the functionality of the functional dye is diminished. An enzymatic reaction may cleave at least a portion of the substrate moiety from the enzyme substrate to provide a more functional product dye. This product dye may be nonfluorescent or weakly fluorescent, in general, and relatively fluorescent, in a particular condition, such as when bound to a partner biological molecule or an assembly of partner biological molecules. An enzyme substrate of the present invention may thus be useful in fluorescence detection, and/or in any of a variety of useful applications, such as the detection of enzymatic activity in a cell-free system or in a living cell, the screening of drugs, or the diagnosis of disease.
    • 提供了本发明的酶底物和相关技术。 本发明的酶底物可以包含生物功能性荧光染料和酶特异性底物部分,其功能性染料的官能度减弱。 酶反应可以从酶底物切割底物部分的至少一部分以提供更多功能的产物染料。 通常,在特定条件下,例如当结合到伴侣生物分子或伴侣生物分子的组合时,该产物染料通常可以是非荧光的或弱荧光的,并且是相对荧光的。 因此,本发明的酶底物可用于荧光检测和/或各种有用应用中的任何一种,例如在无细胞系统或活细胞中检测酶活性,筛选药物 ,或疾病的诊断。