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ORAI1 inhibition as an efficient preclinical therapy for tubular aggregate myopathy and Stormorken syndrome

GSE244524 Mus musculus (mouse) RNA-seq (gene expression) 32 samples Submitted 2024/03/13 Platform GPL21103
At a glance

RNA-seq (gene expression) · mouse · 32 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
32 samples: 6 conditions, mostly with about 4 replicates eachGroups 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
ORAI1 inhibition as an efficient preclinical therapy for tubular aggregate myopathy and Stormorken syndromeJCI insight · 2024
Summary (written by the submitters)
Tubular aggregate myopathy (TAM) and Stormorken syndrome (STRMK) are clinically overlapping disorders characterized by childhood-onset muscle weakness and a variable occurrence of multi-systemic signs including short stature, thrombocytopenia, and hyposplenism. TAM/STRMK is caused by gain-of-function mutations in the Ca2+ sensor STIM1 or the Ca2+ channel ORAI1, both regulating Ca2+ homeostasis through the ubiquitous SOCE (store-operated Ca2+ entry) mechanism.
Read the full summary ↓
Functional experiments in cells have demonstrated that the TAM/STRMK mutations induce SOCE overactivation, resulting in excessive influx of extracellular Ca2+. There is currently no treatment for TAM/STRMK, but SOCE is amenable to manipulation. Here we crossed Stim1R304W/+ mice harboring the most common TAM/STRMK mutation with Orai1R93W/+ mice carrying an ORAI1 mutation partially obstructing Ca2+ influx. Compared with Stim1R304W/+ littermates, Stim1R304W/+Orai1R93W/+ offspring showed a normalization of bone architecture, spleen histology, and muscle morphology, an increase of thrombocytes, and improved muscle contraction and relaxation kinetics. Accordingly, comparative RNA- sequencing detected more than 1200 dysregulated genes in Stim1R304W/+ mice and revealed a major restoration of gene expression in Stim1R304W/+Orai1R93W/+ mice. Altogether, we provide physiological, morphological, functional, and molecular data highlighting the therapeutic potential of ORAI1 inhibition to rescue the multi-systemic TAM/STRMK signs, and we identified myostatin as a suitable biomarker for TAM/STRMK in human and mouse.
Published in
ORAI1 inhibition as an efficient preclinical therapy for tubular aggregate myopathy and Stormorken syndrome
Silva-Rojas R, Pérez-Guàrdia L, Simon A et al. · JCI insight 2024 · PMID 38516893 · doi:10.1172/jci.insight.174866
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 GSE244524_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 PRJNA1023487 and SRA study SRP464291. Searching any of these in the dataset finder brings you back here.

Study design
6 conditions, mostly with about 4 replicates each
TA muscle, WT ×8 TA muscle, Stim1KI ×8 TA muscle, Orai1KO ×4 TA muscle, KIKO ×4 TA muscle, Orai1KI ×4 TA muscle, KIKI ×4

Supports a between-group comparison across 32 samples.

How we read this: 6 replicated groups read from 32 sample titles; they account for 32 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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