Use of ubiquitous chromatin opening elements (UCOE) as tools to maintain transgene expression in biotechnology.

Use of ubiquitous chromatin opening elements (UCOE) as tools to maintain transgene expression in biotechnology.
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DOI:
10.1016/j.csbj.2022.11.059
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发表时间:
2023
影响因子:
6
通讯作者:
White, Robert J.
White, Robert J.
中科院分区:
生物学2区
文献类型:
--
作者:
Sizer, Rebecca E.;White, Robert J.

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工业生物技术面临的一个主要挑战是维持转基因表达。使用ucoe可以使转录免受表观遗传沉默的影响。这篇综述描述了ucoe的主要特点及其在与工业相关的环境中的表现。生物制药工业最重要的产出之一是重组蛋白,其中许多是通过将转基因整合到哺乳动物细胞的基因组中来生产的。然而,表达是高度可变的,在长时间的培养过程中可能不稳定。这通常是由于表观遗传机制使转基因沉默。为了解决这个问题,载体已经被设计成包括无所不在的染色质开放元件(UCOEs),以防止沉默。在这里,我们重述了UCOEs可以改变染色质环境并有益于生物制造的证据。
A major challenge for industrial biotechnology is to maintain transgene expression. Transcription can be insulated against epigenetic silencing using UCOEs. This review describes key features of UCOEs and their performance in contexts relevant to industry. Amongst the most important outputs of the biopharmaceutical industry are recombinant proteins, many of which are produced by integrating transgenes into the genomes of mammalian cells. However, expression is highly variable and can be unstable during prolonged culture. This is often due to epigenetic mechanisms silencing the transgenes. To combat this problem, vectors have been engineered to include ubiquitous chromatin opening elements (UCOEs) that protect against silencing. Here, we recount the evidence that UCOEs can modify chromatin environments and benefit biomanufacturing.
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