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Transcriptome-scale RNA-targeting CRISPR screens reveal essential lncRNAs in human cells

GSE281460 Homo sapiens (human) Single-cell RNA-seq 12 samples Submitted 2024/11/15 Platform GPL18573Platform GPL24676
At a glance

Single-cell RNA-seq · human · 12 samples

What it is
Single-cell RNA-seqGene activity measured in thousands of individual cells, so cell types can be told apart. Read from the summary: GEO's own type field only says 'expression profiling by sequencing', so confirm it in the paper.
Organism
Homo sapiens (human)
Samples
12 samples: 11 distinct titles, 1 of them repeatedGroups 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
RETRACTED: Transcriptome-scale RNA-targeting CRISPR screens reveal essential lncRNAs in human cellsCell · 2024
Summary (written by the submitters)
Mammalian genomes host a diverse array of RNA that includes protein-coding and noncoding transcripts. However, the functional roles of most long noncoding RNAs (lncRNAs) remain elusive. Using massively parallel RNA-targeting CRISPR Cas13 screens, we probed how loss of ~6,200 lncRNAs impacts cell fitness across five human cell lines and identified 778 lncRNAs with either context-specific or broad essentiality.
Read the full summary ↓
We observe a high level of consistency between distinct guide RNAs targeting the same lncRNA in the pooled screens and confirm their essentiality with individual perturbations. We find that the overwhelming majority of essential lncRNAs operate independently of their nearest protein-coding genes. Using transcriptome profiling in single cells, we discover that essential lncRNAs modulate key cellular pathways for proliferation and that their loss can impair cell cycle progression and drive apoptosis. Many essential lncRNAs demonstrate dynamic expression across tissues during development and, using ~9,000 primary tumors, we pinpoint those lncRNAs whose expression in tumors correlates with survival, yielding new biomarkers and potential therapeutic targets. This transcriptome-wide survey of functional lncRNAs advances our understanding of noncoding transcripts and demonstrates the potential of transcriptome-scale noncoding screens with Cas13.
Published in
RETRACTED: Transcriptome-scale RNA-targeting CRISPR screens reveal essential lncRNAs in human cells
Liang WW, Müller S, Hart SK et al. · Cell 2024 · PMID 39532094 · doi:10.1016/j.cell.2024.10.021
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 GSE281460_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: Single-cell studies usually ship their counts as 10x files (matrix.mtx, barcodes.tsv, features.tsv), an .h5 file, or an .rds / .h5ad object that Seurat or Scanpy can open. Look for those among the supplementary files.

Also filed as BioProject PRJNA1161603 and SRA study SRP543663. Searching any of these in the dataset finder brings you back here.

Study design
11 distinct titles, 1 of them repeated
RfxCas13d expressing K562 cells, pooled lncRN… ×2

How we read this: Read from 12 sample titles: 11 distinct titles with little repetition. 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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