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相关概念视频

CRISPR01:59

CRISPR

52.9K
Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
52.9K
CRISPR/Cas9 Genome Editing01:28

CRISPR/Cas9 Genome Editing

252
The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...
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相关实验视频

Updated: Sep 14, 2025

Enhanced Genome Editing with Cas9 Ribonucleoprotein in Diverse Cells and Organisms
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Enhanced Genome Editing with Cas9 Ribonucleoprotein in Diverse Cells and Organisms

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精确定义CRISPR编辑单细胞中的疾病变异效应

Yuriy Baglaenko1,2,3,4,5,6, Zepeng Mu7,8,9,10, Michelle Curtis7,8,9,10

  • 1Center for Data Sciences, Brigham and Women's Hospital, Boston, MA, USA. yuriy.baglaenko@cchmc.org.

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|July 23, 2025
PubMed
概括

这项研究引入了一种新型的多组单细胞测序方法,以精确识别致病基因及其功能. 这种方法克服了CRISPR编辑的局限性,以了解基因变异及其对人类疾病的影响.

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A Standard Methodology to Examine On-site Mutagenicity As a Function of Point Mutation Repair Catalyzed by CRISPR/Cas9 and SsODN in Human Cells
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Last Updated: Sep 14, 2025

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Enhanced Genome Editing with Cas9 Ribonucleoprotein in Diverse Cells and Organisms

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科学领域:

  • 基因组学
  • 分子生物学
  • 免疫学

背景情况:

  • 已知有成千上万的与疾病相关的非编码等位基因,但识别因果基因及其功能是具有挑战性的.
  • CRISPR-Cas编辑允许DNA修改,但面临的局限性包括低效编辑和非特异性的转录变化.

研究的目的:

  • 开发和应用多组单细胞测序方法以识别致病等位基因及其功能后果.
  • 克服功能性基因组研究当前CRISPR编辑技术的局限性.

主要方法:

  • 开发了一种多组单细胞测序策略,整合了DNA测序,转录组分析和细胞表面蛋白质表达.
  • 应用该方法研究基因破坏,调节区域删除,单核酸多态 (SNP) 基因和多重编辑.
  • 研究了一种IL2RA自身免疫变体对人类T细胞的影响.

主要成果:

  • 成功确定了单个单核酸多态 (SNP) 的功能影响.
  • 在人类T细胞中证明了IL2RA自身免疫变异的特定状态效应.
  • 验证了多模式功能基因组单细胞测定用于识别因果变异的实用性.

结论:

  • 这种多模式单细胞方法可以精确识别原始人类细胞中的因果遗传变异.
  • 该方法弥补了人类复杂疾病中遗传变异的功能影响的关键差距.
  • 促进非编码性疾病等位基因的功能性表征.