Cited by 129Neurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene RegulationCongenital heart defects research

Lhx6 directly regulates Arx and CXCR7 to determine cortical interneuron fate and laminar position

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Vogt, Daniel, Hunt, Robert F., Mandal, Shyamali, Sandberg, Magnus, Silberberg, Shanni N., Nagasawa, Takashi, Yang, Zhengang, Baraban, Scott C. +1 more·2014·Neuron

Abstract

Cortical GABAergic interneurons have essential roles for information processing and their dysfunction is implicated in neuropsychiatric disorders. Transcriptional codes are elucidating mechanisms of interneuron specification in the MGE (a subcortical progenitor zone), which regulate their migration, integration, and function within cortical circuitry. Lhx6, a LIM-homeodomain transcription factor, is essential for specification of MGE-derived somatostatin and parvalbumin interneurons. Here, we demonstrate that some Lhx6⁻/⁻ MGE cells acquire a CGE-like fate. Using an in vivo MGE complementation/transplantation assay, we show that Lhx6-regulated genes Arx and CXCR7 rescue divergent aspects of Lhx6⁻/⁻ cell-fate and laminar mutant phenotypes and provide insight into a neonatal role for CXCR7 in MGE-derived interneuron lamination. Finally, Lhx6 directly binds in vivo to an Arx enhancer and to an intronic CXCR7 enhancer that remains active in mature interneurons. These data define the molecular identity of Lhx6 mutants and introduce technologies to test mechanisms in GABAergic interneuron differentiation.

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Crossref · 10.1016/j.neuron.2014.02.030

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  • Loss of ARX severely impairs interneuron development because Arx is a repressor that orchestrates interneuron differentiation.

    “Loss of ARX severely impairs interneuron development (Vogt et al., 2014), as Arx is a repressor that functions to orchestrate interneuron differentiation.”
  • A transcription cascade involving Nkx2.1 and Lhx6 drives the MGE clade but not the CGE clade of interneurons.

    “In particular, a transcription cascade involving Nkx2.1 and Lhx6 drives the MGE clade but not the CGE clade of interneurons31,34,35.”
  • Embryonic MGE-derived interneurons lacking Cxcr7 transplanted into the cortex at PN1 fail to migrate to layer 5 and instead accumulate in the superficial layers in adult animals.

    “when embryonic MGE-derived interneurons lacking Cxcr7 are transplanted into the cortex at PN1, they fail to migrate to layer 5 and instead accumulate in the superficial layers in adult animals”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [1176]

  • In postnatal cortex, Cxcl12 and Cxcr7 expression are maintained preferentially in layer 5.

    “In the postnatal cortex, Cxcl12 and Cxcr7 expression are maintained preferentially in layer 5”

    From Hippocampal GABAergic Inhibitory Interneurons (2017) · cites this paper as [1176]

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Authors
Vogt, D., Hunt, R. F., Mandal, S., Sandberg, M., Silberberg, S. N., Nagasawa, T., Yang, Z., Baraban, S. C., & Rubenstein, J. L. R.
Affiliations
  • University of California, San Francisco (US)
  • Kyoto University (JP)
  • Fudan University (CN)
Corresponding author
  • Vogt, Daniel
  • Rubenstein, John L.R.
Venue
Neuron
Publisher
Elsevier BV
Published
2014-04
Volume
82
Issue
2
Pages
350-364
ISSN
0896-6273 (ISSN-L)
OpenAlex
W1985673159
Cited by
129
References
65
Citations by year
2026: 6 · 2025: 8 · 2024: 4 · 2023: 11 · 2022: 9 · 2021: 12 · 2020: 11 · 2019: 13 · 2018: 13 · 2017: 16 · 2016: 10 · 2015: 11 · 2014: 5
FWCI
4.86
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Autism Speaks
  • Weston Havens Foundation
  • National Institute of Mental Health (MH049428, MH081880, R37MH049428, R01MH081880)
  • National Institute of Neurological Disorders and Stroke (K99NS085046, F32NS077747, R01NS071785)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
Keywords
Lhx6, ARX, CXCR7, cortical lamination, GABAergic interneurons, somatostatin interneurons, parvalbumin interneurons, LIM-homeodomain transcription factor, enhancer binding
MeSH terms
Action Potentials, Age Factors, Animals, Cell Movement, Cerebral Cortex, Embryo, Mammalian, Humans, Interneurons, Luminescent Proteins, Mice, Transgenic, Nerve Tissue Proteins, Stem Cells, Transcription Factors, Homeodomain Proteins, Gene Expression Regulation, Developmental, Stem Cell Transplantation, Mice, Chemokine CXCL1, Receptors, CXCR, HEK293 Cells, LIM-Homeodomain Proteins, In Vitro Techniques

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