Cited by 73Genetics and Neurodevelopmental DisordersAutism Spectrum Disorder ResearchNeuroscience and Neuropharmacology Research

Foxp1 in Forebrain Pyramidal Neurons Controls Gene Expression Required for Spatial Learning and Synaptic Plasticity

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Araujo, Daniel J., Toriumi, Kazuya, Escamilla, Christine O., Kulkarni, Ashwinikumar, Anderson, Ashley G., Harper, Matthew, Usui, Noriyoshi, Ellegood, Jacob +5 more·2017·The Journal of Neuroscience

Abstract

Genetic perturbations of the transcription factor Forkhead Box P1(FOXP1) are causative for severe forms of autism spectrum disorder that are often comorbid with intellectual disability. Recent work has begun to reveal an important role for FoxP1 in brain development, but the brain-region-specific contributions of Foxp1 to autism and intellectual disability phenotypes have yet to be determined fully. Here, we describe Foxp1 conditional knock-out (Foxp1cKO) male and female mice with loss of Foxp1 in the pyramidal neurons of the neocortex and the CA1/CA2 subfields of the hippocampus.Foxp1cKO mice exhibit behavioral phenotypes that are of potential relevance to autism spectrum disorder, including hyperactivity, increased anxiety, communication impairments, and decreased sociability. In addition,Foxp1cKO mice have gross deficits in learning and memory tasks of relevance to intellectual disability. Using a genome-wide approach, we identified differentially expressed genes in the hippocampus of Foxp1cKO mice associated with synaptic function and development. Furthermore, using magnetic resonance imaging, we uncovered a significant reduction in the volumes of both the entire hippocampus as well as individual hippocampal subfields of Foxp1cKO mice. Finally, we observed reduced maintenance of LTP in area CA1 of the hippocampus in these mutant mice. Together, these data suggest that proper expression of Foxp1 in the pyramidal neurons of the forebrain is important for regulating gene expression pathways that contribute to specific behaviors reminiscent of those seen in autism and intellectual disability. In particular, Foxp1 regulation of gene expression appears to be crucial for normal hippocampal development, CA1 plasticity, and spatial learning. SIGNIFICANCE STATEMENT Loss-of-function mutations in the transcription factor Forkhead Box P1(FOXP1) lead to autism spectrum disorder and intellectual disability. Understanding the potential brain-region-specific contributions of FOXP1 to disease-relevant phenotypes could be a critical first step in the management of patients with these mutations. Here, we report that Foxp1 conditional knock-out (Foxp1cKO) mice with loss of Foxp1 in the neocortex and hippocampus display autism and intellectual-disability-relevant behaviors. We also show that these phenotypes correlate with changes in both the genomic and physiological profiles of the hippocampus in Foxp1cKO mice. Our work demonstrates that brain-region-specific FOXP1 expression may relate to distinct, clinically relevant phenotypes.

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Crossref · 10.1523/jneurosci.1005-17.2017

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  • Foxp1 displays mouse-human conservation of local genome architecture and loops to several autism spectrum disorder-associated single-nucleotide variants and activity-induced enhancers.

    “Foxp1, which has been found previously to regulate brain development and synaptic plasticity44, displays remarkable mouse–human conservation of local genome architecture, and loops to several ASD-associated SNVs (Extended Data Fig. 10c) and activity-induced enhancers”

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Authors
Araujo, D. J., Toriumi, K., Escamilla, C. O., Kulkarni, A., Anderson, A. G., Harper, M., Usui, N., Ellegood, J., Lerch, J. P., Birnbaum, S. G., Tucker, H. O., Powell, C. M., & Konopka, G.
Affiliations
  • Tokyo Metropolitan Institute of Medical Science (JP)
  • Hospital for Sick Children (CA)
  • University of Toronto (CA)
  • The University of Texas Southwestern Medical Center (US)
  • The University of Texas at Austin (US)
Venue
The Journal of Neuroscience
Published
2017-10-04
Volume
37
Issue
45
Pages
10917-10931
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2762946595
Cited by
73
References
77
Citations by year
2026: 4 · 2025: 14 · 2024: 8 · 2023: 6 · 2022: 9 · 2021: 14 · 2020: 6 · 2019: 7 · 2018: 3 · 2017: 1
FWCI
3.09
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation (2013162469)
  • Simons Foundation (401220)
  • Uehara Memorial Foundation
  • Fondation Brain Canada
  • Simons Foundation Autism Research Initiative (401220)
  • National Institutes of Health
  • Japan Society for the Promotion of Science (26870878)
  • National Institute of Mental Health (R01MH102603, T32MH076690, T32-MH76690, R01MH093697)
  • National Institute on Deafness and Other Communication Disorders (R01DC014702)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD069560)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
FOXP1, autism spectrum disorder, intellectual disability, pyramidal neurons, hippocampus, neocortex, spatial learning, synaptic plasticity, long-term potentiation, CA1, hippocampal development, hippocampal volume, gene expression, conditional knockout mice, hyperactivity, anxiety, sociability, communication disorders
MeSH terms
Autism Spectrum Disorder, Animals, Behavior, Animal, Female, Learning Disabilities, Male, Memory Disorders, Mice, Inbred C57BL, Neuronal Plasticity, Repressor Proteins, Synapses, Vocalization, Animal, Gene Expression, Pyramidal Cells, Mice, Knockout, Neocortex, Mice, Forkhead Transcription Factors, CA1 Region, Hippocampal, Spatial Learning

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