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相关概念视频

Downstream Processing01:29

Downstream Processing

Downstream processing begins once fermentation is complete and involves a series of steps to recover and purify products such as acids, vitamins, antibiotics, or proteins.Cell HarvestingFor example, for intracellular protein-based products, the first step is harvesting the cells. This is typically achieved using centrifugation or filtration to separate the cells from the liquid phase.Cell Disruption for Intracellular ProductsIf the target product is intracellular, the harvested cells must be...

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Process Development for the Production and Purification of Adeno-Associated Virus AAV2 Vector using Baculovirus-Insect Cell Culture System
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下游工艺强化AAV纯化通过亲和染色学使用单通触流过的单通道流过.

Akshay S Chaubal1, Ronny Horax2,3, Christopher J Yehl4

  • 1Department of Chemical Engineering, Pennsylvania State University, University Park, Pennsylvania.

Biotechnology and bioengineering
|October 25, 2025
PubMed
概括
此摘要是机器生成的。

基相关病毒载体 (AAV) 的下一代制造工艺使用单通触流过 (SPTFF) 得到了加强. 这种方法显著提高了生产率,并降低了基因疗法生产的成本.

关键词:
腺相关病毒 (AAV)单通触流过器 单通触流过器亲缘关系染色图学 亲缘关系染色图学这是一个澄清,澄清.连续加工是连续的加工.过程强化,过程强化.

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科学领域:

  • 生物技术是生物技术.
  • 生物加工是一种生物加工.
  • 基因治疗制造业 基因治疗制造业

背景情况:

  • 腺相关病毒载体 (AAV) 对基因疗法至关重要,但制造成本限制了可访问性.
  • 目前的AAV下游处理需要对效率和可扩展性进行优化.

研究的目的:

  • 在实验室和试点尺度上设计和评估加强的AAV下游制造流程.
  • 评估新型澄清和单通触流过 (SPTFF) 对AAV产量和纯度的影响.

主要方法:

  • 使用BioOptimalTM MF-SL微过器和膜吸附器进行澄清和删除DNA.
  • 使用再生纤维素膜实现的SPTFF用于AAV度.
  • 在试点规模上开发了一种综合工艺,结合了澄清,SPTFF和亲和色谱.

主要成果:

  • 使用SPTFF实现了12X的直线体积度,AAV产量>99%.
  • 在实验室和试验规模分别证明了48%和37%的宿主细胞蛋白质去除.
  • 综合工艺减少了81%的运行时间,提高了8.5倍的生产率.

结论:

  • SPTFF是一种可行的技术,可以加强大规模的AAV下游加工.
  • 强化过程为基因疗法制造提供了显著的效率,成本效益和生产率的改进.
  • 进一步开发强化过程可以提高基于AAV的基因疗法的可负担性和可访问性.