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An efficient and robust strategy for developing cell lines through targeted integration

delete2026-04-01
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PRE
AI
D
Duncan McVey *
G
Garg, Charu
W
Wang, Chaojie
A
Awan, Aashir
Z
Zheng, Rui
J
Jennifer Zhang
S
Sturner, Steve
L
Langsdorf, Erik
Y
Yu, Le
S
Shankarling, Krishnamurthy
G
Giovanni Rizzi
A
Agarwal, Kitty
T
Tremml, Gabi
A
Anurag Khetan
DOI:10.1002/btpr.88509delete
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摘要

摘要

En 中文
降低细胞系开发所需时间并提高结果可预测性是持续改进的重点。靶向整合(TI)是一种将生物制剂表达盒插入预定位点(即着陆位点)的策略,用于此目的。为使着陆位点宿主细胞具有商业可行性,必须支持高滴度,且着陆位点中的转基因必须高效转录。构建此类宿主TI细胞系需要大量时间和精力,且成功率较低。本文介绍了一种策略,我们将一种稳定高表达mAb细胞系进行转化,并生成了多个具有商业相关性的TI宿主细胞系。我们使用符合平台的流程常规生成6 g/L mAb克隆,并通过工艺优化达到8至>10 g/L,且这些克隆在表型和遗传上稳定。我们还创建了一种双着陆位点,其中两个着陆位点位于同一位置。这为简化差异化表达基因的构建提供了机会,因为两个着陆位点预计表现一致。
Keyword:
MEDIATED CASSETTE EXCHANGE
SITE-SPECIFIC INTEGRATION
GENE INTEGRATION
ANTIBODY EXPRESSION
GENOMIC INTEGRATION
MAMMALIAN-CELLS
SLEEPING-BEAUTY
RECOMBINATION
TRANSPOSON
SYSTEM

期刊

Biotechnology Progress 封面图
Biotechnology Progress
IF:
2.5
论文数:
184
被引数:
7.4K

机构

B
bristol-myers squibb
学者数:
1.2W
论文数: 5.7K
被引数: 18
引用论文

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