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相关概念视频

Overview Of Cell Separation And Isolation01:20

Overview Of Cell Separation And Isolation

Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.

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相关实验视频

Updated: May 30, 2026

A Comparative Approach to Characterize the Landscape of Host-Pathogen Protein-Protein Interactions
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剩余宿主细胞蛋白:来源,特性,检测方法和数据采集方式

Yifan Yao1,2, Xuemei Wen1,2, Hongjuan Pan1,2

  • 1National Key Laboratory of Lead Druggability Research, Shanghai Institute of Pharmaceutical Industry, Shanghai, China.

Frontiers in microbiology
|September 3, 2025
PubMed
概括

主体细胞蛋白 (HCP) 是生物制药中的杂质,存在安全风险. 这一审查涵盖了医疗人员检测方法,重点是质谱和ELISA,以及未来更好的控制进展.

关键词:
标志性检测情况主体细胞蛋白质预处理的来源

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An HS-MRM Assay for the Quantification of Host-cell Proteins in Protein Biopharmaceuticals by Liquid Chromatography Ion Mobility QTOF Mass Spectrometry
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Author Spotlight: Detecting Low-Abundant Host Cell Proteins in Drug Products Using Enrichment Beads and Limited Digestion
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相关实验视频

Last Updated: May 30, 2026

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13:56

A Comparative Approach to Characterize the Landscape of Host-Pathogen Protein-Protein Interactions

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An HS-MRM Assay for the Quantification of Host-cell Proteins in Protein Biopharmaceuticals by Liquid Chromatography Ion Mobility QTOF Mass Spectrometry
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An HS-MRM Assay for the Quantification of Host-cell Proteins in Protein Biopharmaceuticals by Liquid Chromatography Ion Mobility QTOF Mass Spectrometry

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Author Spotlight: Detecting Low-Abundant Host Cell Proteins in Drug Products Using Enrichment Beads and Limited Digestion
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科学领域:

  • 生物制药制造业
  • 分析化学
  • 蛋白质化学

背景情况:

  • 主体细胞蛋白 (HCP) 是主体生物在重组蛋白质生产中的过程相关杂质.
  • 剩余的医疗人员可能会导致免疫性,药物效率降低和长期副作用,因此需要严格监管.
  • 检测痕迹医疗人员面临的挑战包括广泛的动态范围和蛋白质不稳定性.

研究的目的:

  • 审查治疗产品中的残留HCP的来源,特性,预处理和检测方法.
  • 讨论生物制药中医疗保健人员控制的当前监管考虑因素.
  • 探索医疗人员检测和降低风险的未来进展.

主要方法:

  • 对生物制药制造业的医疗人员现有文献的审查.
  • 分析质谱和酶相关免疫吸收试验 (ELISA) 用于检测HCP.
  • 讨论样品预处理和数据处理技术.

主要成果:

  • 医疗人员是生物制药生产中需要严格控制的关键杂质.
  • 质谱仪提供高灵敏度和分辨率的HCP检测,补充ELISA.
  • 在HCP检测方面面临的挑战包括动态范围和稳定性,正在进行改进的研究.

结论:

  • 有效检测和控制残留的HCP对于生物制药的安全性和有效性至关重要.
  • 未来的研究应侧重于先进的样本准备和数据分析,以提高灵敏度和准确性.
  • 综合风险评估和流程优化可以进一步降低HCP的剩余风险.