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在人类多能干细胞 (hPSC) 中通过CRISPR/Cas9进行定向的大片段基因组删除

Sai Wei¹, Ruiting Ma², Ting Zhang³

¹Key Laboratory of Tropical Translational Medicine of Ministry of Education & Key Laboratory of Brain Science Research Transformation in Tropical Environment of Hainan Province, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Hainan Medical University, Haikou, Hainan 571199, China; Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan 571101, China.

Stem cell research

|October 30, 2025

概括

研究人员开发了一种CRISPR/Cas9方法,在人类多能干细胞 (hPSCs) 中创建大型基因组删除. 这种技术有助于模拟由基因组删除引起的疾病,用于先进的研究.

科学领域:

遗传学遗传学是一个
基因组学就是基因组学.
干细胞生物学干细胞生物学

背景情况:

大规模的基因组删除是各种人类疾病的重要贡献者.
了解这些删除的功能影响对于疾病研究至关重要.

研究的目的:

建立一个基于CRISPR/Cas9的协议,用于诱导人体多能干细胞 (hPSCs) 中的有针对性的大片段删除.
为疾病研究和功能基因组学提供一种强大的方法来建模hPSC中的基因组删除.

主要方法:

使用了CRISPR/Cas9技术,其中两个单导向RNA (sgRNA) 围绕着目标区域.
通过电穿孔传递Cas9蛋白和sgRNA到单细胞hPSC中.
使用结点PCR识别了删除,并对基因组完整性和分化能力进行了验证编辑细胞系.

主要成果:

在hPSCs中成功诱导了针对性的大片段删除.
通过结PCR确认了基因组删除.
评估干细胞身份,型稳定性和三系分化潜力的编辑hPSC线路.

结论:

开发的CRISPR/Cas9协议提供了一种可靠的方法,用于生成hPSC中的大型基因组删除.
这种方法促进了与删除相关的遗传疾病的建模.
使功能基因组学研究和使用患者衍生的iPSC或工程 hPSC 的疾病建模成为可能.

关键词:

这就是CRISPR/Cas9的作用.大片段删除编辑.在 RNP RNP 中.

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