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    • 2. 发明授权
    • Method for determining a product secretion profile of cells
    • 确定细胞产物分泌谱的方法
    • US07622274B2
    • 2009-11-24
    • US11842090
    • 2007-08-20
    • Manfred R. KollerElie G. HananiaAnnabeth FieckTimothy M. Eisfeld
    • Manfred R. KollerElie G. HananiaAnnabeth FieckTimothy M. Eisfeld
    • C12Q1/24
    • C12N13/00
    • The invention provides methods for purifying one or more cells based on the level of one or more products secreted by the cells. In one embodiment, the method involves (a) contacting a plurality of cells immobilized in proximity to a capture matrix, the capture matrix capable of localizing a product secreted by one or more of the cells, with an agent that selectively binds to the product, the agent capable of generating a signal detectable as a property of light; (b) illuminating a population of the cells, the population contained in a frame; (c) detecting two or more properties of light directed from the frame, wherein a first property of light identifies substantially all cells of the population, and the second property of light identifies product localized to the capture matrix; (d) locating (i) substantially all cells of the population with reference to the detected first property of light, and (ii) one or more selected cells with reference to the detected second property of light, and (e) irradiating the non-selected cells, wherein each non-selected cell receives a substantially lethal dose of radiation, whereby one or more selected cells having a desired product secretion profile are purified.
    • 本发明提供了基于由细胞分泌的一种或多种产物的水平纯化一种或多种细胞的方法。 在一个实施方案中,该方法包括(a)使固定在捕获基质附近的多个细胞与能够选择性结合产物的试剂接触,所述捕获基质能够将由一种或多种细胞分泌的产物定位, 所述试剂能够产生可检测为光的性质的信号; (b)照亮一群人群,包含在一个框架内的群体; (c)检测从所述框架引导的光的两个或多个属性,其中光的第一特性基本上标识所述群体的所有细胞,并且所述光的第二属性识别定位于所述捕获矩阵的产品; (d)参照检测到的第一性质,将(i)基本上所有细胞的群体定位,以及(ii)参照检测到的第二属性的一个或多个所选择的细胞,和(e) 选择的细胞,其中每个未选择的细胞接受基本致死的辐射剂量,从而纯化具有所需产物分泌曲线的一个或多个选择的细胞。
    • 5. 发明申请
    • METHODS FOR ISOLATING CELLS BASED ON PRODUCT SECRETION
    • 基于产品分离的细胞分离方法
    • US20100136683A1
    • 2010-06-03
    • US12603413
    • 2009-10-21
    • Manfred R. KollerElie G. HananiaAnnabeth FieckTimothy M. Eisfeld
    • Manfred R. KollerElie G. HananiaAnnabeth FieckTimothy M. Eisfeld
    • C12N5/078
    • C12N13/00
    • The invention provides methods for purifying one or more cells based on the level of one or more products secreted by the cells. In one embodiment, the method involves (a) contacting a plurality of cells immobilized in proximity to a capture matrix, the capture matrix capable of localizing a product secreted by one or more of the cells, with an agent that selectively binds to the product, the agent capable of generating a signal detectable as a property of light; (b) illuminating a population of the cells, the population contained in a frame; (c) detecting two or more properties of light directed from the frame, wherein a first property of light identifies substantially all cells of the population, and the second property of light identifies product localized to the capture matrix; (d) locating (i) substantially all cells of the population with reference to the detected first property of light, and (ii) one or more selected cells with reference to the detected second property of light, and (e) irradiating the non-selected cells, wherein each non-selected cell receives a substantially lethal dose of radiation, whereby one or more selected cells having a desired product secretion profile are purified.
    • 本发明提供了基于由细胞分泌的一种或多种产物的水平纯化一种或多种细胞的方法。 在一个实施方案中,该方法包括(a)使固定在捕获基质附近的多个细胞与能够选择性结合产物的试剂接触,所述捕获基质能够将由一种或多种细胞分泌的产物定位, 所述试剂能够产生可检测为光的性质的信号; (b)照亮一群人群,包含在一个框架内的群体; (c)检测从所述框架引导的光的两个或多个属性,其中光的第一特性基本上标识所述群体的所有细胞,并且所述光的第二属性识别定位于所述捕获矩阵的产品; (d)参照检测到的第一性质,将(i)基本上所有细胞的群体定位,以及(ii)参照检测到的第二属性的一个或多个所选择的细胞,和(e) 选择的细胞,其中每个未选择的细胞接受基本致死的辐射剂量,从而纯化具有所需产物分泌曲线的一个或多个选择的细胞。
    • 8. 发明授权
    • Stabilized retrovirus compositions
    • 稳定的逆转录病毒组合物
    • US5616487A
    • 1997-04-01
    • US307862
    • 1994-09-15
    • Bernhard O. PalssonTimothy M. Eisfeld
    • Bernhard O. PalssonTimothy M. Eisfeld
    • A61K48/00C12N7/00C12N7/01C12N15/867C12N5/10
    • C12N15/86C12N7/00A61K48/00C12N2740/13021C12N2740/13043C12N2740/13051
    • The present invention provides a stabilized virus, which is modified using a stabilizing agent. The invention also provides a process for producing a stabilized virus by culturing viral producing cells with a stabilizing agent at a temperature below 37.degree. C. The invention further provides methods to introduce an exogenous nucleotide sequence into a cell using a stabilized virus containing the exogenous nucleotide sequence. The invention also provides methods for administering an exogenous nucleotide sequence to a subject using a stabilized virus containing the exogenous nucleotide sequence. The invention further provides a method to produce a protein by infecting a cell with a stabilized virus containing a exogenous nucleotide sequence encoding the protein and then isolating the protein produced by the infected cells.
    • 本发明提供了使用稳定剂改性的稳定的病毒。 本发明还提供了通过在37℃以下的温度下用稳定剂培养病毒产生细胞来生产稳定的病毒的方法。本发明还提供了使用含有外源核苷酸的稳定化病毒将外源核苷酸序列引入细胞的方法 序列。 本发明还提供了使用含有外源核苷酸序列的稳定化病毒向受试者施用外源核苷酸序列的方法。 本发明还提供了通过用含有编码该蛋白质的外源核苷酸序列的稳定化病毒感染细胞,然后分离由感染细胞产生的蛋白质来生产蛋白质的方法。
    • 10. 发明授权
    • Methods for purification of cells based on product secretion
    • 基于产品分泌来净化细胞的方法
    • US07425426B2
    • 2008-09-16
    • US10801931
    • 2004-03-15
    • Manfred R. KollerElie G. HananiaAnnabeth FieckTimothy M. Eisfeld
    • Manfred R. KollerElie G. HananiaAnnabeth FieckTimothy M. Eisfeld
    • C12Q1/24
    • C12N13/00
    • The invention provides methods for purifying one or more cells based on the level of one or more products secreted by the cells. In one embodiment, the method involves (a) contacting a plurality of cells immobilized in proximity to a capture matrix, the capture matrix capable of localizing a product secreted by one or more of the cells, with an agent that selectively binds to the product, the agent capable of generating a signal detectable as a property of light; (b) illuminating a population of the cells, the population contained in a frame; (c) detecting two or more properties of light directed from the frame, wherein a first property of light identifies substantially all cells of the population, and the second property of light identifies product localized to the capture matrix; (d) locating (i) substantially all cells of the population with reference to the detected first property of light, and (ii) one or more selected cells with reference to the detected second property of light, and (e) irradiating the non-selected cells, wherein each non-selected cell receives a substantially lethal dose of radiation, whereby one or more selected cells having a desired product secretion profile are purified.
    • 本发明提供了基于由细胞分泌的一种或多种产物的水平纯化一种或多种细胞的方法。 在一个实施方案中,该方法包括(a)使固定在捕获基质附近的多个细胞与能够选择性结合产物的试剂接触,所述捕获基质能够将由一种或多种细胞分泌的产物定位, 所述试剂能够产生可检测为光的性质的信号; (b)照亮一群人群,包含在一个框架内的群体; (c)检测从所述框架引导的光的两个或多个属性,其中光的第一特性基本上标识所述群体的所有细胞,并且所述光的第二属性识别定位于所述捕获矩阵的产品; (d)参照检测到的第一性质,将(i)基本上所有细胞的群体定位,以及(ii)参照检测到的第二属性的一个或多个所选择的细胞,和(e) 选择的细胞,其中每个未选择的细胞接受基本致死的辐射剂量,从而纯化具有所需产物分泌曲线的一个或多个选择的细胞。