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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [guide-seq]

ABSTRACT: Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [guide-seq]

PROVIDER: PRJNA992492 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25194893_1.fastq.gz	Fastqsanger.gz
	SRR25194893_2.fastq.gz	Fastqsanger.gz
	SRR25194894_1.fastq.gz	Fastqsanger.gz
	SRR25194894_2.fastq.gz	Fastqsanger.gz
	SRR25194895_1.fastq.gz	Fastqsanger.gz

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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [guide-seq]

Project description:CRISPR/Cas12a-based combinational screening has shown remarkable potential in identifying genetic interactions. Here, we described an innovative method for combinational genetic screen with rapid constructing of dual-crRNA library by gene splicing through overlap extension PCR (SOE PCR) and the adoption of CeCas12a, which was identified previously by us with strict PAM recognition and low off- targeting, to guarantee the fidelity and efficiency. The custom, pooled SOE crRNA array (SOCA) library for double knockout screen could be conveniently constructed in lab for widespread use and CeCas12a mediated high fidelity screen display good performances even under negative selection screen. By designing an SOCA dual-crRNA library which covered the most of kinase and metabolism-associated gene targets of FDA- approved drugs that were implicated in hepatocellular carcinoma (HCC) tumorigenesis, novel cross talks between the two gene sets were negatively selected out to synergistically inhibit HCC cell growth in vitro and in vivo and also validated by virtual double knockdown screening based on TCGA databases. Thus through our rapid, efficient and high fidelity double knockout screening system, it is very promising to systemically dig genetic interactions between multiple gene sets or synergistic combinations of FDA-approved drugs for clinical translational medicine in the future.

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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [target-seq]

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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [RNA-Seq]

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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [library seq]

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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis

Project description:Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis

| PRJNA992483 | ENA

Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [RNA-Seq]

Project description:Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [RNA-Seq]

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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [target-seq]

Project description:Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [target-seq]

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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [library seq]

Project description:Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis [library seq]

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The compact high-fidelity EbCas12a enables all-in-one AAV delivery system

Project description:we characterized a novel compact Cas12a ortholog, EbCas12a, from the Erysipelotrichia bacterium with activities in mammalian cells. It is with the PAM sequence of 5’-TTTV-3’ (V=A, G, C) and the smallest size of ~3.47kb among reported Cas12a orthologs so far. Moreover, enhanced EbCas12a (enEbCas12a) was also developed to have comparable editing efficiency with higher specificity to AsCas12a and LbCas12a in mammalian cells. With the help of the compact enEbCas12a, all-in-one AAV delivery system with crRNA for Cas12a was developed for both in vitro and in vivo. Altogether, with the help of the novel smallest high fidelity enEbCas12a, this first case of the all-in-one AAV delivery for Cas12a could greatly boost future gene therapy and scientific research.

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Rapid CRISPR/Cas12a-based dual-crRNA library screening in high fidelity reveals novel genetic interactions during hepatocarcinogenesis

Project description:This SuperSeries is composed of the SubSeries listed below.

2024-08-02 | GSE236831 | GEO