Methods of concentrating shear-sensitive biopolymers
    2.
    发明授权
    Methods of concentrating shear-sensitive biopolymers 有权
    浓缩剪切敏感生物聚合物的方法

    公开(公告)号:US08388847B2

    公开(公告)日:2013-03-05

    申请号:US12549247

    申请日:2009-08-27

    摘要: The invention relates generally to methods of concentrating mixtures including shear sensitive biopolymers, such as von Willebrand Factor. Conventional methods of concentrating biopolymers impart too much shear stress, which causes the degradation of shear sensitive biopolymers. The methods disclosed herein reduce the shear stress while maintaining a high rate of filtrate flux. Disclosed herein is a method for concentrating shear sensitive biopolymers including flowing a mixture with a shear sensitive biopolymer into a hollow fiber dialysis module to form a retentate having a shear sensitive biopolymer concentration that is greater than that of the mixture. Hollow fiber dialysis modules have high filtrate fluxes and low shear rates at low flow rates. This ensures a high product yield and minimal loss of shear sensitive biopolymers.

    摘要翻译: 本发明一般涉及浓缩混合物的方法,所述混合物包括剪切敏感的生物聚合物,例如von​​ Willebrand因子。 浓缩生物聚合物的常规方法赋予过大的剪切应力,这导致剪切敏感生物聚合物的降解。 本文公开的方法降低剪切应力,同时保持高速率的滤液通量。 本文公开了一种用于浓缩剪切敏感生物聚合物的方法,包括将具有剪切敏感生物聚合物的混合物流动到中空纤维透析模块中以形成具有大于混合物的剪切敏感生物聚合物浓度的滞留物。 中空纤维透析模块在低流速下具有高滤液通量和低剪切速率。 这确保了高产品收率和剪切敏感生物聚合物的最小损失。

    Method for producing mature VWF from VWF pro-peptide
    3.
    发明授权
    Method for producing mature VWF from VWF pro-peptide 有权
    从VWF前肽生产成熟VWF的方法

    公开(公告)号:US08058411B2

    公开(公告)日:2011-11-15

    申请号:US12152762

    申请日:2008-05-16

    IPC分类号: C07K1/18 C07K17/00 A61K35/16

    CPC分类号: C07K14/435

    摘要: The present invention relates to a method for producing a mature von Willebrand Factor (VWF) from von Willebrand Factor pro-peptide comprising the steps: immobilizing VWF pro-peptide on an ion exchange resin, incubating the immobilized VWF pro-peptide with furin to obtain immobilized mature VWF, and isolating mature VWF from the ion exchange resin by elution.

    摘要翻译: 本发明涉及一种用于从血管性血友病因子原肽生产成熟血管性血友病因子(VWF)的方法,包括以下步骤:将VWF前肽固定在离子交换树脂上,将固定化的VWF前肽与弗林蛋白酶孵育得到 固定化的成熟VWF,并通过洗脱从离子交换树脂中分离成熟的VWF。

    Method for producing mature VWF from VWF Pro-Peptide
    4.
    发明申请
    Method for producing mature VWF from VWF Pro-Peptide 有权
    用于从VWF Pro肽生产成熟VWF的方法

    公开(公告)号:US20090029918A1

    公开(公告)日:2009-01-29

    申请号:US12152762

    申请日:2008-05-16

    IPC分类号: A61K38/00 C07K1/00 A61P7/00

    CPC分类号: C07K14/435

    摘要: The present invention relates to a method for producing a mature von Willebrand Factor (VWF) from von Willebrand Factor pro-peptide comprising the steps: immobilizing VWF pro-peptide on an ion exchange resin, incubating the immobilized VWF pro-peptide with furin to obtain immobilized mature VWF, and isolating mature VWF from the ion exchange resin by elution.

    摘要翻译: 本发明涉及一种用于从血管性血友病因子原肽生产成熟血管性血友病因子(VWF)的方法,包括以下步骤:将VWF前肽固定在离子交换树脂上,将固定化的VWF前肽与弗林蛋白酶孵育得到 固定化的成熟VWF,并通过洗脱从离子交换树脂中分离成熟的VWF。

    Methods of Purifying Recombinant Adamts13 and Other Proteins and Compositions Thereof
    5.
    发明申请
    Methods of Purifying Recombinant Adamts13 and Other Proteins and Compositions Thereof 有权
    纯化重组Adamts13和其他蛋白质及其组合物的方法

    公开(公告)号:US20110081700A1

    公开(公告)日:2011-04-07

    申请号:US12847956

    申请日:2010-07-30

    IPC分类号: C12N9/64 C12N7/06 C12N11/00

    摘要: Provided herein are methods for purifying recombinant A Disintegrin-like and Metallopeptidase with Thrombospondin Type 1 Motif 13 (ADAMTS13) protein from a sample. The method comprises enriching for ADAMTS13 protein by chromatographically contacting the sample with hydroxyapatite under conditions that allow ADAMTS13 protein to appear in the eluate or supernatant from the hydroxylapatite. The methods may further comprise tandem chromatography with a mixed mode cation exchange/hydrophobic interaction resin that binds ADAMTS13 protein. Additional optional steps involve ultrafiltration/diafiltration, anion exchange chromatography, cation exchange chromatography, and viral inactivation. Also provided herein are methods for inactivating virus contaminants in protein samples, where the protein is immobilized on a support. Also provided herein are compositions of ADAMTS13 prepared according to said methods.

    摘要翻译: 本文提供了用于从样品中纯化重组的A解体素样和金属蛋白酶与血小板反应蛋白1型基因13(ADAMTS13)蛋白的方法。 该方法包括通过在允许ADAMTS13蛋白出现在羟基磷灰石的洗脱液或上清液中的条件下使样品与羟基磷灰石层析接触来富集ADAMTS13蛋白。 所述方法可以进一步包括具有结合ADAMTS13蛋白的混合模式阳离子交换/疏水相互作用树脂的串联色谱法。 附加的任选步骤包括超滤/渗滤,阴离子交换层析,阳离子交换层析和病毒灭活。 本文还提供了用于灭活蛋白质样品中的病毒污染物的方法,其中蛋白质被固定在载体上。 本文还提供根据所述方法制备的ADAMTS13的组合物。

    Methods of purifying recombinant ADAMTS13 and other proteins and compositions thereof
    7.
    发明授权
    Methods of purifying recombinant ADAMTS13 and other proteins and compositions thereof 有权
    重组ADAMTS13及其组合物的纯化方法

    公开(公告)号:US08945895B2

    公开(公告)日:2015-02-03

    申请号:US12847956

    申请日:2010-07-30

    IPC分类号: C12N11/00 A61K38/00 C12N9/64

    摘要: Provided herein are methods for purifying recombinant A Disintegrin-like and Metallopeptidase with Thrombospondin Type 1 Motif 13 (ADAMTS13) protein from a sample. The method comprises enriching for ADAMTS13 protein by chromatographically contacting the sample with hydroxyapatite under conditions that allow ADAMTS13 protein to appear in the eluate or supernatant from the hydroxylapatite. The methods may further comprise tandem chromatography with a mixed mode cation exchange/hydrophobic interaction resin that binds ADAMTS13 protein. Additional optional steps involve ultrafiltration/diafiltration, anion exchange chromatography, cation exchange chromatography, and viral inactivation. Also provided herein are methods for inactivating virus contaminants in protein samples, where the protein is immobilized on a support. Also provided herein are compositions of ADAMTS13 prepared according to said methods.

    摘要翻译: 本文提供了用于从样品中纯化重组的A解体素样和金属蛋白酶与血小板反应蛋白1型基因13(ADAMTS13)蛋白的方法。 该方法包括通过在允许ADAMTS13蛋白出现在羟基磷灰石的洗脱液或上清液中的条件下使样品与羟基磷灰石层析接触来富集ADAMTS13蛋白。 所述方法可以进一步包括具有结合ADAMTS13蛋白的混合模式阳离子交换/疏水相互作用树脂的串联色谱法。 附加的任选步骤包括超滤/渗滤,阴离子交换层析,阳离子交换层析和病毒灭活。 本文还提供了用于灭活蛋白质样品中的病毒污染物的方法,其中蛋白质被固定在载体上。 本文还提供根据所述方法制备的ADAMTS13的组合物。

    METHODS OF CONCENTRATING SHEAR-SENSITIVE BIOPOLYMERS
    8.
    发明申请
    METHODS OF CONCENTRATING SHEAR-SENSITIVE BIOPOLYMERS 有权
    浓缩敏感生物聚合物的方法

    公开(公告)号:US20100051550A1

    公开(公告)日:2010-03-04

    申请号:US12549247

    申请日:2009-08-27

    IPC分类号: B01D61/26

    摘要: The invention relates generally to methods of concentrating mixtures including shear sensitive biopolymers, such as von Willebrand Factor. Conventional methods of concentrating biopolymers impart too much shear stress, which causes the degradation of shear sensitive biopolymers. The methods disclosed herein reduce the shear stress while maintaining a high rate of filtrate flux. Disclosed herein is a method for concentrating shear sensitive biopolymers including flowing a mixture with a shear sensitive biopolymer into a hollow fiber dialysis module to form a retentate having a shear sensitive biopolymer concentration that is greater than that of the mixture. Hollow fiber dialysis modules have high filtrate fluxes and low shear rates at low flow rates. This ensures a high product yield and minimal loss of shear sensitive biopolymers.

    摘要翻译: 本发明一般涉及浓缩混合物的方法,所述混合物包括剪切敏感的生物聚合物,例如von​​ Willebrand因子。 浓缩生物聚合物的常规方法赋予过大的剪切应力,这导致剪切敏感生物聚合物的降解。 本文公开的方法降低剪切应力,同时保持高速率的滤液通量。 本文公开了一种用于浓缩剪切敏感生物聚合物的方法,包括将具有剪切敏感生物聚合物的混合物流动到中空纤维透析模块中以形成具有大于混合物的剪切敏感生物聚合物浓度的滞留物。 中空纤维透析模块在低流速下具有高滤液通量和低剪切速率。 这确保了高产品收率和剪切敏感生物聚合物的最小损失。