Cited by 158Single-cell and spatial transcriptomicsNeuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanisms

Continuous and Discrete Neuron Types of the Adult Murine Striatum

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Stanley, Geoffrey, Gokce, Ozgun, Malenka, Robert C., Südhof, Thomas C., Quake, Stephen R.·2020·Neuron

Published version of a preprint

Abstract

The mammalian striatum is involved in many complex behaviors and yet is composed largely of a single neuron class: the spiny projection neuron (SPN). It is unclear to what extent the functional specialization of the striatum is due to the molecular specialization of SPN subtypes. We sought to define the molecular and anatomical diversity of adult SPNs using single-cell RNA sequencing (scRNA-seq) and quantitative RNA in situ hybridization (ISH). We computationally distinguished discrete versus continuous heterogeneity in scRNA-seq data and found that SPNs in the striatum can be classified into four major discrete types with no implied spatial relationship between them. Within these discrete types, we find continuous heterogeneity encoding spatial gradients of gene expression and defining anatomical location in a combinatorial mechanism. Our results suggest that neuronal circuitry has a substructure at far higher resolution than is typically interrogated, which is defined by the precise identity and location of a neuron.

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Crossref · 10.1016/j.neuron.2019.11.004

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  • Recent transcriptomic and anatomical studies have argued that neurons in hippocampus, striatum, and cerebellum can be better described as forming partially continuous manifolds.

    “Consistent with our interpretation, recent transcriptomic and anatomical studies have argued that neurons in hippocampus, striatum, and cerebellum can be better described as forming partially continuous manifolds27,37–39.”
  • Continuous variation has frequently been observed even in transcriptomic data from isolated cells.

    “Even in transcriptomic data from isolated cells, continuous variations were frequently observed (Stanley et al., 2020; Harris et al., 2018; Tasic et al., 2018).”
  • There is coexistence of discrete and continuous variations of cell features across modalities at the lower branch level.

    “In this context, another important finding, consistent with and building on multiple other studies9,11,68,69, is the coexistence of discrete and continuous variations of cell features across modalities at the lower branch level.”

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Authors
Stanley, G., Gokce, O., Malenka, R. C., Südhof, T. C., & Quake, S. R.
Affiliations
  • Stanford Medicine (US)
  • Howard Hughes Medical Institute (US)
  • Chan Zuckerberg Biohub San Francisco (US)
Corresponding author
  • Südhof, Thomas C.
  • Quake, Stephen R.
Venue
Neuron
Publisher
Elsevier BV
Published
2020-02
Volume
105
Issue
4
Pages
688-699.e8
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2991860444
Cited by
158
References
50
Citations by year
2026: 24 · 2025: 27 · 2024: 28 · 2023: 17 · 2022: 13 · 2021: 27 · 2020: 22
FWCI
5.13
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
striatum, medium spiny neurons, neuronal heterogeneity, neuronal cell types, molecular subtypes, neural circuits, adult mice, single-cell RNA sequencing, spatial transcriptomics
MeSH terms
Animals, Corpus Striatum, Male, Mice, Inbred C57BL, Mice, Transgenic, Nerve Net, Neurons, Mice

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