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

GSE236826 Mus musculus (mouse) RNA-seq (gene expression) 12 samples Submitted 2024/08/02 Platform GPL13112
At a glance

RNA-seq (gene expression) · mouse · 12 samples

What it is
RNA-seq (gene expression)Gene activity measured by sequencing. The summary does not mention single-cell work, so this is most likely bulk: one average per sample, the usual starting point for comparing groups.
Organism
Mus musculus (mouse)
Samples
12 samples: 3 × WT vs 3 × crRaf1 vs 3 × crPkm2 vs 3 × crRaf1_crPkm2Groups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
High-fidelity CRISPR/Cas12a dual-crRNA screening reveals novel synergistic interactions in hepatocellular carcinomaClinical and translational medicine · 2024
Summary (written by the submitters)
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.
Read the full summary ↓
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.
Published in
High-fidelity CRISPR/Cas12a dual-crRNA screening reveals novel synergistic interactions in hepatocellular carcinoma
Chen Q, Pang M, Chen P et al. · Clinical and translational medicine 2024 · PMID 39073026 · doi:10.1002/ctm2.1758
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE236826_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: For RNA-seq the counts are usually a table among the supplementary files (look for 'counts', 'expression', 'FPKM' or 'TPM' in the file name). The series matrix of a sequencing study is sometimes nearly empty.

Also filed as BioProject PRJNA992494 and SRA study SRP448018. Searching any of these in the dataset finder brings you back here.

Study design
3 × WT vs 3 × crRaf1 vs 3 × crPkm2 vs 3 × crRaf1_crPkm2

Supports a between-group comparison across 12 samples.

How we read this: 4 replicated groups read from 12 sample titles; they account for 12 of them. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study
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