在初级细胞中进行小型化的可扩展阵列CRISPR查,可以在单一的供体分辨率上进行发现
Miti A Patel1, Brittany P Boribong1, Hugo Sinha1
1DropGenie, Cambridge, MA, USA.
Scientific reports
|August 11, 2025
概括
这项研究引入了一种新的数字微流体 (DMF) 电穿孔平台,用于初级人类细胞中高效,低输入的基因编辑. 该系统能够在罕见细胞群中实现高通量基因组工程和功能基因组学查.
科学领域:
- 生物技术是生物技术.
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 在人类初级细胞中有效的基因编辑对于治疗和功能基因组学至关重要.
- 传统的电穿孔方法通常需要很高的细胞数量,并且缺乏平行实验的可扩展性.
研究的目的:
- 开发和验证下一代数字微流体 (DMF) 电穿孔平台,用于高通量,低输入的基因组工程.
- 为了使CRISPR-Cas9核糖核蛋白复合体 (RNP) 和mRNA能够有效地传递到人类初级细胞中.
- 为了证明平台在功能基因组学屏幕中的实用性,使用罕见或珍贵的细胞类型.
主要方法:
- 利用数字微流体 (DMF) 平台与平面电极阵列来操纵离散滴.
- 集成DMF系统与实验室自动化进行并行实验.
- 将CRISPR-Cas9 RNP和mRNA货物在低输入水平 (只需3000个细胞/条件) 输送到初级人类细胞中.
主要成果:
- 在各种主要人类细胞类型中证明了高效的转染和基因编辑.
- 通过非同类末端连接 (NHEJ) 实现高基因淘汰率,并通过同质导向修复 (HDR) 实现精确的淘汰.
- 成功地将该平台应用于CD4+T细胞中的阵列CRISPR-Cas9屏幕,识别T细胞耗尽的新型调节者.
结论:
- 该DMF电穿孔平台提供了一个强大的,小型化的解决方案,用于基因组工程在罕见和珍贵的初级人类细胞.
- 该系统为高含量遗传查提供了一个可扩展的框架,促进治疗开发和功能基因组学研究.
相关概念视频
CRISPR
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 Short...
CRISPR and crRNAs
Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
CRISPR
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 Short...
The Antiviral System of Bacteria and Archaea: CRISPR
CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats is a adaptive immune system found in bacteria and archaea that protects against viral infections. This system enables prokaryotic cells to identify, remember, and neutralize foreign genetic elements, primarily bacteriophages, by storing fragments of the invader’s DNA as a genetic memory.The CRISPR immune response begins during an initial infection. Cas (CRISPR-associated) proteins play a central role in this defense.
CRISPR/Cas9 Genome Editing
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...


