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NG2/CSPG4 regulates the transcriptional profile of mandibular fibrochondrocytes during serum starvation [RNAseq-immortalized cells]

GSE245590 Mus musculus (mouse) RNA-seq (gene expression) 12 samples Submitted 2024/10/30 Platform GPL24247
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 × HITM_Norm vs 3 × HITM_Opti vs 3 × HITMNG2Col6_Norm vs 3 × HITMNG2Col6_OptiGroups 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
NG2/CSPG4 attenuates motility in mandibular fibrochondrocytes under serum starvation conditionsFrontiers in cell and developmental biology · 2023
Summary (written by the submitters)
Changes in the mechanical homeostasis of the temporomandibular joint (TMJ) can lead to the initiation and progression of degenerative arthropathies such as osteoarthritis (OA). Cells sense and engage with their mechanical microenvironment through interactions with the extracellular matrix. In the mandibular condylar cartilage, the pericellular microenvironment is composed of type VI collagen.
Read the full summary ↓
NG2/CSPG4 is a transmembrane proteoglycan that binds with type VI collagen, and has been implicated in the cell stress response. The objective of this study is to define the role of NG2/CSPG4 in the cell stress response during serum starvation. To evaluate the role of the NG2/CSPG4, primary mandibular fibrochondrocytes from c57 BL/6 J and NG2/CSPG4 knockout mice (mixed sex) were cultured in normal and serum starvation conditions. To evaluate the role of the NG2/CSPG4 ectodomain, primary mandibular fibrochondrocytes were immortalized using hTERT. CRSIPR/Cas9 was used to truncate the NG2/CSPG4 ectodomain by targeting the type VI collagen binding region. Normal culture conditions were AMEM growth media supplemented with 10% FBS, penicillin, L-Glut, and plasmocin. Serum starvation conditions were Optimem media with no FBS, supplemented with penicillin, L-Glut, and plasmocin. Serum starvation was induced for 24 hours. RNA from the cells was isolated using the RNeasy kit (Qiagen). poly(A) RNA was fragmented using divalent cation buffer in elevated temperature. The DNA library construction is shown in the following workflow. Quality control analysis and quantification of the sequencing library were performed using Agilent Technologies 2100 Bioanalyzer High Sensitivity DNA Chip. Paired-ended sequencing was performed on Illumina’s NovaSeq 6000 sequencing system. Sequencing was done by LC Sciences. These data illustrate that in serum starvation conditions, NG2/CSPG4 knockout mandibular fibrochondrocytes and targeted truncation of the NG2/CSPG4 ectodomain alters the transcriptional profile of the cell, promoting biological processes associated with cell stress, migration, and ossiciation.
Published in
NG2/CSPG4 attenuates motility in mandibular fibrochondrocytes under serum starvation conditions
Ahn SY, Bagheri Varzaneh M, Zhao Y et al. · Frontiers in cell and developmental biology 2023 · PMID 38020894 · doi:10.3389/fcell.2023.1240920
This dataset
Open GSE245590 in finder → Find more mouse RNA-seq datasets →
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.

Series matrix ↓
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 GSE245590_RAW.tar (it can run to tens of gigabytes).

All supplementary files ↗ Whole study · RAW.tar ↓
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.

Raw reads on ENA ↗

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 PRJNA1029039 and SRA study SRP466852. Searching any of these in the dataset finder brings you back here.

NCBI GEO page ↗ Paper (PMID 38020894) ↗
Study design
3 × HITM_Norm vs 3 × HITM_Opti vs 3 × HITMNG2Col6_Norm vs 3 × HITMNG2Col6_Opti

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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