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相关概念视频

Upstream Processing01:27

Upstream Processing

Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...

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相关实验视频

Updated: Jul 17, 2026

A Convenient and General Expression Platform for the Production of Secreted Proteins from Human Cells
07:09

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重编程结依赖,以开发用于重组蛋白表达的细胞系.

Ju Young Lee, Hyunbin D Huh, Dong Ki Lee

    Biotechnology journal
    |May 3, 2024
    PubMed
    概括

    研究人员确定了附着到悬浮过渡 (AST) 因素,以使细胞在没有附着的情况下生长. 这种新的系统可以改善细胞转染和蛋白质生产,用于生物制药制造.

    科学领域:

    • 生物技术是生物技术.
    • 细胞生物学 细胞生物学
    • 生物制药制造业 生物制药制造业

    背景情况:

    • 生物制药生产依赖于细胞系,这些细胞系能够在大型制造业中独立成长.
    • 在细胞系中诱导悬浮适应和有效的转染仍然是一个重大挑战.
    • 开发新的人类细胞系对于提高生物制药生产效率至关重要.

    研究的目的:

    • 确定使附着细胞能够独立于附着细胞生长的因素.
    • 开发一种可诱导和可逆的系统来重新编程细胞定依赖性.
    • 提高生物制造细胞系中的转化效率和蛋白质表达率.

    主要方法:

    • 确定"坚持到暂停过渡" (AST) 因素:IKZF1,BTG2和KLF1.
    • 从HEK293A细胞系中建立293-AST细胞和293-AST-TetR细胞.
    • 开发一种可诱导和可逆的重编程系统,用于系依赖.

    主要成果:

    • 鉴定到的AST因子成功诱导了附着细胞的独立于 anchorage的生长.
    • AST-TetR系统证明了可以诱导和可逆重编程的固定依赖性.
    • AST-TetR系统显著提高了转染效率和蛋白质表达率.
    关键词:
    AST 的因素是 AST 的因素.坚持到暂停的过渡.停泊的依赖性 停泊的依赖性蛋白质治疗药物 蛋白质治疗药物悬架调整的调整

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    Recombinant Protein Expression for Structural Biology in HEK 293F Suspension Cells: A Novel and Accessible Approach
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    High Yield Expression of Recombinant Human Proteins with the Transient Transfection of HEK293 Cells in Suspension
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    High Yield Expression of Recombinant Human Proteins with the Transient Transfection of HEK293 Cells in Suspension

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    Recombinant Protein Expression for Structural Biology in HEK 293F Suspension Cells: A Novel and Accessible Approach
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    Recombinant Protein Expression for Structural Biology in HEK 293F Suspension Cells: A Novel and Accessible Approach

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    High Yield Expression of Recombinant Human Proteins with the Transient Transfection of HEK293 Cells in Suspension
    11:42

    High Yield Expression of Recombinant Human Proteins with the Transient Transfection of HEK293 Cells in Suspension

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    结论:

    • AST-TetR系统为开发先进细胞系提供了一个新的技术平台.
    • 该系统通过克服细胞适应和转染方面的挑战,促进了更高效的生物制药生产.
    • 这些发现为生物制药行业改善细胞系发展铺平了道路.