Cited by 155Genomic variations and chromosomal abnormalitiesGenetics and Neurodevelopmental DisordersGenome Rearrangement Algorithms

Spatiotemporal 16p11.2 protein network implicates cortical late mid-fetal brain development and KCTD13-Cul3-RhoA pathway in psychiatric diseases

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Lin, Guan Ning, Corominas, Roser, Lemmens, Irma, Yang, Xinping, Tavernier, Jan, Hill, David E., Vidal, Marc, Sebat, Jonathan +1 more·2015·Neuron

Abstract

The psychiatric disorders autism and schizophrenia have a strong genetic component, and copy number variants (CNVs) are firmly implicated. Recurrent deletions and duplications of chromosome 16p11.2 confer a high risk for both diseases, but the pathways disrupted by this CNV are poorly defined. Here we investigate the dynamics of the 16p11.2 network by integrating physical interactions of 16p11.2 proteins with spatiotemporal gene expression from the developing human brain. We observe profound changes in protein interaction networks throughout different stages of brain development and/or in different brain regions. We identify the late mid-fetal period of cortical development as most critical for establishing the connectivity of 16p11.2 proteins with their co-expressed partners. Furthermore, our results suggest that the regulation of the KCTD13-Cul3-RhoA pathway in layer 4 of the inner cortical plate is crucial for controlling brain size and connectivity and that its dysregulation by de novo mutations may be a potential determinant of 16p11.2 CNV deletion and duplication phenotypes.

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  • MAPK and Rho GTPase signaling have been implicated by gene set enrichment analysis of ASD-associated CNVs.

    “MAPK (Pinto et al., 2010) and Rho GTPase (Lin et al., 2015) signaling has been implicated by gene set enrichment analysis of CNVs associated with ASD.”

    From Getting to the cores of autism (2019) · cites this paper as Lin et al., 2015

  • Coexpression of genes within ASD CNVs is enriched in the developing cortex.

    “Likewise coexpression of genes within ASD CNVs was reported to be enriched in the developing cortex (Lin et al., 2015).”

    From Getting to the cores of autism (2019) · cites this paper as Lin et al., 2015

  • Approaches integrating spatio-temporal transcriptome with gene mutation discoveries have implicated projection neurons in prefrontal and primary motor-somatosensory cortex during mid-fetal development in autism spectrum disorder and frontal cortex during fetal development in schizophrenia.

    “In particular, these approaches have implicated the projection neurons in the prefrontal and primary motor-somatosensory cortex during mid-fetal development in autism spectrum disorder and the frontal cortex during fetal development in schizophrenia (Gulsuner et al., 2013; Kang et al., 2011; Lin et al., 2015; Parikshak et al., 2013; State and Sestan, 2012; Willsey et al., 2013).”

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Authors
Lin, G. N., Corominas, R., Lemmens, I., Yang, X., Tavernier, J., Hill, D. E., Vidal, M., Sebat, J., & Iakoucheva, L. M.
Affiliations
  • University of California San Diego (US)
  • Ghent University (BE)
  • Harvard University (US)
Corresponding author
Iakoucheva, Lilia M.
Venue
Neuron
Publisher
Elsevier BV
Published
2015-02
Volume
85
Issue
4
Pages
742-754
ISSN
0896-6273 (ISSN-L)
OpenAlex
W1975911274
Cited by
155
References
69
Citations by year
2026: 7 · 2025: 9 · 2024: 9 · 2023: 19 · 2022: 10 · 2021: 20 · 2020: 17 · 2019: 17 · 2018: 14 · 2017: 16 · 2016: 12 · 2015: 5
FWCI
10.71
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (U01MH094411, R01MH091350, R21MH104766, R01MH105524)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD065288)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genome Rearrangement Algorithms
Keywords
16p11.2, copy number variation, autism spectrum disorder, schizophrenia, protein-protein interaction network, cortical development, CUL3, RhoA, de novo mutations, brain size, cortical connectivity, layer 4, mental illness
MeSH terms
Adolescent, Adult, Aged, 80 and over, Mental Disorders, Brain, Child, Child, Preschool, Chromosome Deletion, Chromosomes, Human, Pair 16, Fetus, Humans, Infant, Infant, Newborn, Neuroglia, Neurons, Nuclear Proteins, Signal Transduction, rhoA GTP-Binding Protein, Gene Expression Profiling, Cullin Proteins, Gene Regulatory Networks, Young Adult, DNA Copy Number Variations

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