Cited by 1,365Neurogenesis and neuroplasticity mechanismsPluripotent Stem Cells ResearchNeuroscience and Neuropharmacology Research

Assembly of functionally integrated human forebrain spheroids

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Birey, Fikri, Andersen, Jimena, Makinson, Christopher D., Islam, Saiful, Wei, Wu, Huber, Nina, Fan, H. Christina, Metzler, Kimberly R. Cordes +8 more·2017·Nature

Abstract

The development of the nervous system involves a coordinated succession of events including the migration of GABAergic (γ-aminobutyric-acid-releasing) neurons from ventral to dorsal forebrain and their integration into cortical circuits. However, these interregional interactions have not yet been modelled with human cells. Here we generate three-dimensional spheroids from human pluripotent stem cells that resemble either the dorsal or ventral forebrain and contain cortical glutamatergic or GABAergic neurons. These subdomain-specific forebrain spheroids can be assembled in vitro to recapitulate the saltatory migration of interneurons observed in the fetal forebrain. Using this system, we find that in Timothy syndrome-a neurodevelopmental disorder that is caused by mutations in the Ca V 1.2 calcium channel-interneurons display abnormal migratory saltations. We also show that after migration, interneurons functionally integrate with glutamatergic neurons to form a microphysiological system. We anticipate that this approach will be useful for studying neural development and disease, and for deriving spheroids that resemble other brain regions to assemble circuits in vitro.

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  • Human brain organoids can replicate the complex brain microenvironment better than 2D in vitro models.

    “With their 3D structures and cell components resembling the human brain, these organoids can replicate the complex brain microenvironment better than 2D in vitro models (15–17, 19)”

    From Understanding monocyte-driven neuroinflammation in Alzheimer’s disease using human cortical organoid microphysiological systems (2025) · cites this paper as [19]

    The Discussion (page unavailable) says the assembled 3D forebrain spheroids have advantages over adherent methods and capture developmental processes, including interneuron migration. The Assembly of Forebrain Spheroids section (page unavailable) reports that migration was inefficient or absent when spheroids were plated on a coverslip. These findings support an advantage for this specific 3D model, but not the broader claim that human brain organoids generally replicate the complex brain microenvironment better than 2D models. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • The extrinsic organoid model shows promise for better reproducibility.

    “The ‘extrinsic’ organoid model whereby patterning is influenced by externally added molecules rather than relying on intrinsic self-organization shows promise with regard to better reproducibility5,6,25.”
  • Both studies demonstrated disruption of interneuron migration by antagonism of CXCR4.

    “These findings were further supported by another report documenting interneuron migration following fusion of dorsal and ventral brain organoids26, and both studies demonstrated disruption of migration by antagonism of C-X-C chemokine receptor type 4 (CXCR4), which has an important role in interneuron migration6,26.”
  • In the dorsal-ventral fused model, cells that migrated from the subpallial spheroid to the cortical spheroid expressed cortical interneuron markers, and whole-cell voltage-clamp recordings showed that these interneuron-like cells can receive excitatory inputs from dorsal cortical organoid cells and that dorsal cortical cells can receive inputs from inhibitory interneurons.

    “In the dorsal-ventral fused model mentioned earlier6, cells that migrated from the subpallial spheroid to the cortical spheroid expressed cortical interneuron markers, and whole-cell voltage-clamp recordings demonstrated that these interneuron-like cells can receive excitatory inputs from cells in the dorsal cortical organoids; conversely, the cells in the dorsal cortical organoids can receive”
  • Organoid-derived interneurons migrated in a manner similar to that of their in vivo counterparts.

    “The organoid-derived interneurons migrated in a manner similar to that of their in vivo counterparts.”

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Authors
Birey, F., Andersen, J., Makinson, C. D., Islam, S., Wei, W., Huber, N., Fan, H. C., Metzler, K. R. C., Panagiotakos, G., Thom, N., O’Rourke, N. A., Steinmetz, L. M., Bernstein, J. A., Hallmayer, J., Huguenard, J. R., & Paşca, S. P.
Affiliations
  • Stanford Medicine (US)
  • University of California, San Francisco (US)
Venue
Nature
Published
2017-04-26
Volume
545
Issue
7652
Pages
54-59
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2609473806
Cited by
1,365
References
58
Citations by year
2026: 148 · 2025: 169 · 2024: 164 · 2023: 135 · 2022: 161 · 2021: 165 · 2020: 168 · 2019: 135 · 2018: 84 · 2017: 34
FWCI
48.69
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (R33MH100717, R01MH107800, R01MH100900)
  • National Human Genome Research Institute (P01HG000205)
  • National Institute of Neurological Disorders and Stroke (R01NS090911, R01NS034774)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
human pluripotent stem cells, GABAergic interneurons, interneuron migration, Timothy syndrome, Cav1.2 calcium channel, glutamatergic neurons, brain organoids, neural development
MeSH terms
Autistic Disorder, Cell Line, Cell Movement, Cells, Cultured, Female, Humans, Interneurons, Long QT Syndrome, Male, Models, Biological, Neurons, Synapses, Syndactyly, Prosencephalon, Glutamic Acid, Spheroids, Cellular, Pluripotent Stem Cells, Neurogenesis, GABAergic Neurons

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