Cited by 2,705Single-cell and spatial transcriptomicsNeurogenesis and neuroplasticity mechanismsNeuroscience and Neuropharmacology Research

The DOI matches its Crossref record; 66 of the 66 references it cites were found in a registry or an index; 23 of the 45 sources its claims cite were checked for support.

Molecular Architecture of the Mouse Nervous System

Open access

Published version of a preprint

Abstract

The mammalian nervous system executes complex behaviors controlled by specialized, precisely positioned, and interacting cell types. Here, we used RNA sequencing of half a million single cells to create a detailed census of cell types in the mouse nervous system. We mapped cell types spatially and derived a hierarchical, data-driven taxonomy. Neurons were the most diverse and were grouped by developmental anatomical units and by the expression of neurotransmitters and neuropeptides. Neuronal diversity was driven by genes encoding cell identity, synaptic connectivity, neurotransmission, and membrane conductance. We discovered seven distinct, regionally restricted astrocyte types that obeyed developmental boundaries and correlated with the spatial distribution of key glutamate and glycine neurotransmitters. In contrast, oligodendrocytes showed a loss of regional identity followed by a secondary diversification. The resource presented here lays a solid foundation for understanding the molecular architecture of the mammalian nervous system and enables genetic manipulation of specific cell types.

Overview

AI snapshot

Written from the paper’s full text.

TL;DR

The paper uses single-cell RNA sequencing of ~half a million cells across 19 regions of the mouse nervous system to create a molecular census and data-driven taxonomy of cell types. It reports that nervous system organization reflects major cell class, developmental origin, and neurotransmitter type, with regionally specified astrocytes and a loss of regional patterning in the oligodendrocyte lineage.

Key findings

  • The survey analyzed 509,876 cells and retained a final curated compendium of 265 clusters represented by 160,796 high-quality single-cell transcriptomes; 248 (93%) clusters were uniquely identifiable with just two genes, 17 required three genes, and none required more than three. A random forest classifier on held-out data achieved average precision and recall of 82%, and 98% of 139 previously published clusters were perfect or near-perfect matches.
  • Neurons were the most diverse class: PNS neurons segregated into sensory, sympathetic, and enteric subdivisions, while CNS neurons generally split first by anteroposterior domain and then by excitatory versus inhibitory neurotransmitter. The paper identified seven molecularly distinct astrocyte types with regionally restricted distributions, including telencephalon-specific ACTE1/ACTE2 and non-telencephalon ACNT1/ACNT2 separated by a sharp Mfge8/Agt border.
  • Oligodendrocyte lineage stages OPC, COP, and NFOL presented as single brain-wide common cell types regardless of tissue, indicating that mature oligodendrocyte diversity arises by secondary diversification rather than developmental patterning. Spinal cord and hindbrain oligodendrocytes retained Hox gene expression, but forebrain and midbrain patterning transcription factors were detected only at very low levels (<1% of cells) if at all.

Methods

  • Dissected 19 regions from adolescent mice (postnatal ages P12–30, plus 6- and 8-week-old mice), including brain, spinal cord, dorsal root ganglia, sympathetic ganglion, and enteric nervous system; used 133 samples and 10X Genomics Chromium droplet microfluidics, with FACS for enteric neural-crest-derived cells and some inhibitory neurons.
  • Developed and applied “cytograph,” a multistage pipeline including quality filtering, major-class SVM classification, multiscale KNN manifold learning, graph t-SNE, Polished Louvain clustering, gene enrichment, Bayesian trinarization, marker gene set discovery, and dendrogram construction.
  • Validated clusters by random forest classification, comparison with six published scRNA-seq datasets, RNAscope in situ hybridization, and spatial correlation of cluster expression profiles with Allen Mouse Brain Atlas ISH voxel data.

Limitations

  • Stated limitations: technical/experimental issues including doublets, sex-specific gene expression, and low-quality cells; sampling only a little more than half a million cells with relatively shallow sequencing likely misses additional structure and subtypes; differential survival or size selection biases may have lost cell types (e.g., Purkinje cells likely undersampled); clustering was conservative and did not analyze substantial remaining heterogeneity within clusters; and the work describes only molecular cell types without linking them to functional, anatomical, morphological, or electrophysiological properties.
  • Evident from the text: the survey omitted at least the retina, olfactory epithelium, vomeronasal organ, inner ear, and parasympathetic ganglia; enteric analysis covered only the myenteric plexus of the small intestine; and the authors note that interneurons were undersampled by scRNA-seq while astrocytes were undersampled by osmFISH.

Model-written summary. Check it against the paper before relying on it.

Integrity signals

Registry

Crossref · 10.1016/j.cell.2018.06.021

Cites

66 of 66 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Verification

Claims the paper makes

23 of 45 cited sources checked · 12 supported · 0 flagged · accuracy not yet measured

Show all 136 claims

  • Probably not a substantial claim. 27
  • It may state two separate claims as one. 96
  • The quote only partly states this claim. 1
116 of 116
  • The paper relies on this without support.

    The mouse nervous system is representative of the mammalian nervous system.

    “The resource presented here lays a solid foundation for understanding the molecular architecture of the mammalian nervous system”
  • The paper relies on this without support.

    The sampled regions and cell numbers are sufficient to capture the full diversity of cell types in the mouse nervous system.

    “In total, we analyzed 19 regions (Figure 1A) but omitted at least the retina, the olfactory epithelium, the vomeronasal organ, the inner ear, and the parasympathetic ganglia.”
  • The paper relies on this without support.

    The adolescent age (postnatal days 20–30) is appropriate for identifying mature cell types and the overall architecture of the mouse nervous system.

    “Although most neuronal types were already mature at the age investigated (postnatal days 20–30)”
  • The paper relies on this without support.

    The developmental origin assigned to each cluster (e.g., telencephalon, diencephalon, midbrain, hindbrain) is correct.

    “We assigned each cluster a unique mnemonic identifier (e.g., MBDOP1), descriptive name (“midbrain dopaminergic neuron”), major class (e.g., “neuron”), neurotransmitter identity, putative developmental origin, anatomical location, and region (Table S3).”
  • The paper relies on this without support.

    OPCs are the progenitors of the entire oligodendrocyte lineage.

    “Since OPCs are the progenitors of the entire oligodendrocyte lineage”
  • The paper relies on this without support.

    Hox genes 6–10 are responsible for patterning the thoracic spinal cord.

    “Hox genes 6–10 (that is, Hoxa6, Hoxb6, …, Hoxd10), which are responsible for patterning the thoracic spinal cord.”
  • The paper relies on this without support.

    Glycine is a widely used inhibitory neurotransmitter only in the caudal parts of the brain and in the spinal cord.

    “Glycine is a widely used inhibitory neurotransmitter only in the caudal parts of the brain and in the spinal cord.”
  • The paper relies on this without support.

    The dendrogram based on gene expression distance reflects true cell type relationships.

    “we calculated a robust dendrogram of cell types (Figure 1C and STAR Methods), showing relationships between cell types based on gene expression distance.”
  • The paper relies on this without support.

    The technical artifacts can be sufficiently mitigated by the cytograph pipeline so that the resulting clusters reflect biological cell types.

    “we developed a multistage analysis pipeline called “cytograph,” which progressively discovers cell types or states while mitigating the impact of technical artifacts”
  • The authors state this as an assumption.

    OPCs are produced by the same progenitors as astrocytes and neurons.

    “OPCs are derived from the neural tube and assumed to be produced by the same progenitors as astrocytes and neurons.”
  • The paper relies on this without support.

    The enteric nervous system has not been previously studied in molecular detail using single-cell methods.

    “The enteric nervous system has not been previously studied in molecular detail using single-cell methods.”
  • The paper relies on this without support.

    The diversity and function of enteric glia are not known in detail.

    “The diversity and function of enteric glia are not known in detail.”
  • The paper relies on this without support.

    Synaptic connectivity, neurotransmission, and membrane conductance are uniquely neuronal properties.

    “But synaptic connectivity, neurotransmission, and membrane conductance are uniquely neuronal properties”
  • The paper relies on this without support.

    Some resolution limit-free algorithms can be tuned to detect smaller clusters, but at the expense of breaking up large clusters.

    “Some variants (so called resolution limit-free algorithms) can be tuned to detect smaller clusters, but at the expense of breaking up large clusters.”
  • The paper relies on this without support.

    Granule cells of the dentate gyrus and the cerebellum are not related.

    “Note: we pooled granule cells of the dentate gyrus and the cerebellum not because we think they are related (they are not), but because they are both extremely abundant and tended to skew manifold learning when included with other cells.”
  • The paper relies on this without support.

    Many, even most, of the cell types described in this paper were not previously associated with known markers.

    “Many, even most, of the cell types described in this paper were not previously associated with known makers.”
  • The authors state this as an assumption.

    The trinarization model applies to a cluster of cells representing a putatively homogeneous population.

    “The model applies to a cluster of cells representing a putatively homogeneous population.”
17 of 17

Claims other papers make about this one

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Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

Each contradiction between two passages listed here was confirmed by an independent check.

  • Sixth purported cerebellar cell type was found in the midbrain

    Minor

    The paper counts six cell types in the cerebellum, but locates its sixth type, MEINH1, in the midbrain. It also says MEINH1 is molecularly indistinguishable from a cerebellar type already among the five listed.

1 of 1

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Metadata

Authors
Zeisel, A., Hochgerner, H., Lönnerberg, P., Johnsson, A., Memic, F., van der Zwan, J., Häring, M., Braun, E., Borm, L. E., La Manno, G., Codeluppi, S., Furlan, A., Lee, K., Skene, N., Harris, K. D., Hjerling-Leffler, J., Arenas, E., Ernfors, P., Marklund, U., & Linnarsson, S.
Affiliations
  • Karolinska Institutet (SE)
  • UCL Queen Square Institute of Neurology (GB)
Corresponding author
Linnarsson, Sten
Venue
Cell
Publisher
Elsevier BV
Published
2018-08
Volume
174
Issue
4
Pages
999-1014.e22
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2949693884
Cited by
2,552
References
53
Citations by year
2026: 232 · 2025: 317 · 2024: 315 · 2023: 321 · 2022: 361 · 2021: 412 · 2020: 348 · 2019: 200 · 2018: 41
FWCI
78.44
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (submittedVersion, cc-by-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
  • Spiral (Imperial College London) (submittedVersion, cc-by)
Funders
  • Knut and Alice Wallenberg Foundation (2015.0041)
  • Swedish Foundation for Strategic Research (SSF (RIF 14-0057, SB16-0065)
  • Wellcome Trust (108726/Z/15/Z)
  • Swedish Research Council (2016-01526, 2016-03130)
  • SSF (SRL, SB16-0065)
  • Cancerfonden (CAN 2016/572)
  • EU
  • Hjärnfonden (FO2017-0059)
  • SFO Strat Regen (SG-2018)
  • European Research Council (740491)
  • Ollie and Elof Ericssons Foundation
  • Åke Wiberg Foundation (M16-0197)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
single-cell transcriptomics, neuronal heterogeneity, astrocyte heterogeneity, neurotransmitters, neuropeptides, glutamate, glycine, synaptic connectivity, cell identity genes, membrane conductance
MeSH terms
Animals, Female, Male, Mice, Inbred C57BL, Nervous System, Gene Expression Regulation, Developmental, Gene Expression Profiling, Mice, Gene Regulatory Networks, Single-Cell Analysis, High-Throughput Nucleotide Sequencing, Transcriptome

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