Cited by 1,401Single-cell and spatial transcriptomicsNeurogenesis and neuroplasticity mechanismsGenomics and Phylogenetic Studies

A survey of human brain transcriptome diversity at the single cell level

Open access
Darmanis, Spyros, Sloan, Steven A., Zhang, Ye, Enge, Martin, Caneda, Christine, Shuer, Lawrence M., Hayden Gephart, Melanie G., Barres, Ben A. +1 more·2015·Proceedings of the National Academy of Sciences

Abstract

Significance: The brain comprises an immense number of cells and cellular connections. We describe the first, to our knowledge, single cell whole transcriptome analysis of human adult cortical samples. We have established an experimental and analytical framework with which the complexity of the human brain can be dissected on the single cell level. Using this approach, we were able to identify all major cell types of the brain and characterize subtypes of neuronal cells. We observed changes in neurons from early developmental to late differentiated stages in the adult. We found a subset of adult neurons which express major histocompatibility complex class I genes and thus are not immune privileged.

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Crossref · 10.1073/pnas.1507125112

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  • The central nervous system of older mice is more complex than that of younger mice, making it harder to dissociate it into single cells, and as a result some cell types can get over- or underrepresented.

    “The central nervous system of older mice is more complex than that of younger mice, making it harder to dissociate it into single cells, and as a result some cell types can get over-or underrepresented (Darmanis et al., 2015;Grindberg et al., 2013;Krishnaswami et al., 2016;Lake et al., 2016;Lake et al., 2017;Tasic et al., 2018).”

    From Single-cell resolution analysis of the crosstalk between chemogenically activated astrocytes and microglia (2020) · cites this paper as Darmanis et al., 2015

    The Materials and Methods section says that human brain tissue was dissociated into single-cell suspensions, but does not compare older and younger mice. The Abstract and Results discuss human developmental stages and differences between humans and mice, not age-related difficulty of dissociating mouse CNS tissue or resulting over- or underrepresentation of cell types. Searches for dissociation difficulty and cell-type sampling bias found no passage addressing the claim; page numbers were not available in our copy. (LLM, conf=0.75)

    Experimental — accuracy not yet measured
  • Hi-C and single-cell sequencing had not been fully integrated at scale with brain genomics data.

    “new methodologies, such as Hi-C and single-cell sequencing, have yet to be fully integrated at scale with brain genomics data (13–16).”
  • Single-cell RNA-seq data from PsychENCODE and other brain studies were uniformly processed with standard pipelines.

    “we used standard pipelines to uniformly process single-cell RNA-seq data from PsychENCODE, in conjunction with other single-cell studies on the brain (14, 16, 20).”
  • Single-nucleus transcriptomes from multiple regions of human brain have established cell type taxonomies.

    “Single-nucleus transcriptomes from multiple regions of the human brain have established cell type taxonomies (Fig. 2B–D) (Darmanis et al., 2015; Habib et al., 2017; Lake et al., 2016).”

    From Single-Cell Sequencing of Brain Cell Transcriptomes and Epigenomes (2021) · cites this paper as Darmanis et al., 2015

  • The number of cells for scRNA-seq and replicates for bulk RNA-seq were empirically determined based on previous studies, and the sample size allowed robust identification of cell populations as small as 20 cells.

    “The number of cells for scRNA-seq and the number of replicates for bulk RNA-seq were empirically determined based on previous studies (Darmanis et al., 2015; Tabula Muris et al., 2018; Zhang et al., 2014). The used sample-size in scRNA-seq allowed us to robustly identify cell populations as small as 20 cells.”

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Authors
Darmanis, S., Sloan, S. A., Zhang, Y., Enge, M., Caneda, C., Shuer, L. M., Hayden Gephart, M. G., Barres, B. A., & Quake, S. R.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Neurobiology, and
  • Neurosurgery, and
Corresponding author
  • Barres, Ben A.
  • Quake, Stephen R.
Venue
Proceedings of the National Academy of Sciences
Published
2015-05-18
Volume
112
Issue
23
Pages
7285-7290
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1552434751
Cited by
1,401
References
28
Citations by year
2026: 68 · 2025: 101 · 2024: 163 · 2023: 143 · 2022: 150 · 2021: 161 · 2020: 166 · 2019: 144 · 2018: 119 · 2017: 94 · 2016: 73 · 2015: 17 · 2012: 1
FWCI
43.59
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • California Institute for Regenerative Medicine (GC1R-06673)
  • Svenska Sällskapet för Medicinsk Forskning
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (U01HL099995, U01HL099999)
  • National Institute of Mental Health (F30MH106261, R01MH099555)
  • National Institute of General Medical Sciences (T32GM007365)
  • National Institute of Neurological Disorders and Stroke (R00NS089780, R01NS081703, K99NS089780)
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 › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
single-cell transcriptome, neuronal cell types, interneuron subtypes, glial cell types, temporal lobe, hippocampus, cell type classification
MeSH terms
Adult, Brain, HLA Antigens, Humans, Neurons, Sequence Analysis, RNA, Single-Cell Analysis, Transcriptome

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