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SRX7434989: GSM4231669: NOD-ICAM-1; Mus musculus; RNA-Seq
1 ILLUMINA (NextSeq 500) run: 94.2M spots, 5.4G bases, 2.2Gb downloads

Submitted by: NCBI (GEO)
Study: Redefining the heterogeneity of peripheral nerve cells in health and autoimmunity
show Abstracthide Abstract
Peripheral nerves contain axons and their enwrapping glia cells named Schwann cells (SC) that are either myelinating or non-myelinating (nmSC). Our understanding of other cells in the peripheral nervous system (PNS) remains limited. Here, we provide an unbiased single-cell transcriptomic characterization of the non-diseased rodent PNS. We identified and independently confirmed novel markers of previously underappreciated nmSC and nerve-associated fibroblasts. We also found and characterized two distinct populations of nerve-resident homeostatic myeloid cells that transcriptionally differed from central nervous system microglia. In a model of chronic autoimmune neuritis, homeostatic myeloid cells were outnumbered by infiltrating lymphocytes which modulated the local cell-cell interactome and induced a specific transcriptional response in glia cells. This response was partially shared between the peripheral and central nervous system glia identifying common immunological features across different parts of the nervous system. Our study thus identifies novel subtypes and cell-type markers of PNS cells and a partially conserved autoimmunity module induced in glia cells. Overall design: Single cell RNA sequencing of undiseased C57BL/6 mice and naive Lewis rats to explore the healthy PNS. ScRNA-seq of NOD control and ICAM-1-/-NOD mice was performed to analyze chronic autoimmune neuritis.
Sample: NOD-ICAM-1
SAMN13673144 • SRS5880197 • All experiments • All runs
Organism: Mus musculus
Library:
Instrument: NextSeq 500
Strategy: RNA-Seq
Source: TRANSCRIPTOMIC
Selection: cDNA
Layout: PAIRED
Construction protocol: Sciatic nerves and the brachial nerve plexus were dissected from intracardial PBS perfused the mice. Nerves were first mechanically dissociated. Cells were then isolated by combining enzymatic digestion (Trypsin, Collagenase II, Hyaluronidase and Pronase) with myelin depletion and flow cytometry-based cell sorting (Calcein-AM, Zombi NIR, DAPI). Rats sciatic nerves were isolated and enzymatically digested in Collagenase/Dispase and DNase I. Cells were centrifuged on a 30%/70% Percoll gradient and the mononuclear interphase was collected. No sorting was performed. Single cell suspensions were loaded onto the Chromium Single Cell Controller using the Chromium Single Cell 3' Library & Gel Bead Kit v2 (both from 10X Genomics) chemistry following the manufacturer's instructions. Sample processing and library preparation was performed according to manufacturer instructions using AMPure XP beads (Beckman Coulter). Sequencing was either carried out on a local Illumina Nextseq 500 using the High-Out 75 cycle kit with a 26-8-0-57 read setup or commercially (Microanaly, China) on a NovaSeq 6000 using the 300 cycle kit with paired end 150 read setup. All the samples were sequenced with a sequencing depth >50,000 reads per cell ScRNA-seq
Experiment attributes:
GEO Accession: GSM4231669
Links:
Runs: 1 run, 94.2M spots, 5.4G bases, 2.2Gb
Run# of Spots# of BasesSizePublished
SRR1076076094,231,2825.4G2.2Gb2020-04-01

ID:
9726878

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