Cited by 193Genomics and Chromatin DynamicsDevelopmental Biology and Gene RegulationNeurogenesis and neuroplasticity mechanisms

Rewiring of human neurodevelopmental gene regulatory programs by human accelerated regions

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Girskis, Kelly M., Stergachis, Andrew B., DeGennaro, Ellen M., Doan, Ryan N., Qian, Xuyu, Johnson, Matthew B., Wang, Peter P., Sejourne, Gabrielle M. +17 more·2021·Neuron

Abstract

Human accelerated regions (HARs) are the fastest-evolving regions of the human genome, and many are hypothesized to function as regulatory elements that drive human-specific gene regulatory programs. We interrogate the in vitro enhancer activity and in vivo epigenetic landscape of more than 3,100 HARs during human neurodevelopment, demonstrating that many HARs appear to act as neurodevelopmental enhancers and that sequence divergence at HARs has largely augmented their neuronal enhancer activity. Furthermore, we demonstrate PPP1R17 to be a putative HAR-regulated gene that has undergone remarkable rewiring of its cell type and developmental expression patterns between non-primates and primates and between non-human primates and humans. Finally, we show that PPP1R17 slows neural progenitor cell cycle progression, paralleling the cell cycle length increase seen predominantly in primate and especially human neurodevelopment. Our findings establish HARs as key components in rewiring human-specific neurodevelopmental gene regulatory programs and provide an integrated resource to study enhancer activity of specific HARs.

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Crossref · 10.1016/j.neuron.2021.08.005

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  • NPCs and maturing neurons from human fetal brain tissue at GW 19-20 showed no H3K4me1 or H3K27ac signatures.

    “In contrast, NPCs and maturing neurons from human fetal brain tissue (gestational week [GW] 19–20) showed no H3K4me1 or H3K27ac signatures, suggesting that the human HAR202 ortholog does not act as a transcriptional enhancer in the developing human brain (supplementary fig. S8, Supplementary Material online; (Girskis et al. 2021).”

    From The Human Accelerated Region HAR202 Controls <i>NPAS3</i> Expression in the Developing Forebrain Displaying Differential Enhancer Activity Between Modern and Archaic Human Sequences (2024) · cites this paper as Girskis et al. 2021

    The Results section, “HARs demonstrate in vivo enhancer features during human brain development” (page unavailable), confirms that the authors tested H3K4me1 and H3K27ac in NPCs and maturing neurons from GW 19–20 fetal brain tissue. It does not report that the HAR202 ortholog lacked those marks; instead, it reports enhancer-associated marks at 504 HARs. The HAR202-specific absence of signatures is therefore not established by our copy. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • The human HAR202 ortholog does not act as a transcriptional enhancer in the developing human brain.

    “suggesting that the human HAR202 ortholog does not act as a transcriptional enhancer in the developing human brain (supplementary fig. S8, Supplementary Material online; (Girskis et al. 2021).”

    From The Human Accelerated Region HAR202 Controls <i>NPAS3</i> Expression in the Developing Forebrain Displaying Differential Enhancer Activity Between Modern and Archaic Human Sequences (2024) · cites this paper as Girskis et al. 2021

    The Results discuss enhancer activity across HARs in neural cells and developing human brain tissue, while the Discussion says 11% of HARs lacked evidence of enhancer activity in the cell types analyzed. Searches for HAR202 and its enhancer activity found no passage identifying whether HAR202 is among them, so our copy does not establish the claim about that specific ortholog. (LLM, conf=0.72)

    Experimental — accuracy not yet measured

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Authors
Girskis, K. M., Stergachis, A. B., DeGennaro, E. M., Doan, R. N., Qian, X., Johnson, M. B., Wang, P. P., Sejourne, G. M., Nagy, M. A., Pollina, E. A., Sousa, A. M. M., Shin, T., Kenny, C. J., Scotellaro, J. L., Debo, B. M., Gonzalez, D. M., Rento, L. M., Yeh, R. C., Song, J. H. T., Beaudin, M., Fan, J., Kharchenko, P. V., Sestan, N., Greenberg, M. E., & Walsh, C. A.
Affiliations
  • Boston Children's Hospital (US)
  • University of Washington (US)
  • Broad Institute (US)
  • Yale University (US)
  • Harvard University (US)
Corresponding author
Walsh, Christopher A.
Venue
Neuron
Publisher
Elsevier BV
Published
2021-10
Volume
109
Issue
20
Pages
3239-3251.e7
ISSN
0896-6273 (ISSN-L)
OpenAlex
W3196312992
Cited by
193
References
83
Citations by year
2026: 31 · 2025: 34 · 2024: 54 · 2023: 49 · 2022: 20 · 2021: 5
FWCI
10.28
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (DP5OD029630, 1s10rr028832-01)
  • National Institute of Mental Health (P50MH106934, U01MH116488, T32MH020017)
  • National Cancer Institute (K00CA222750)
  • National Institute of General Medical Sciences (T32GM007753, T32GM007748)
  • National Institute of Neurological Disorders and Stroke (R01NS095654, R01NS115965, R01NS032457)
  • National Center for Research Resources (S10 RR028832)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (U54HD090255, P50HD105351)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
human accelerated regions, brain development, enhancer activity, gene regulatory evolution, epigenetic landscape, sequence divergence, primate evolution
MeSH terms
Animals, Brain, Pan troglodytes, Biological Evolution, Ferrets, Humans, Macaca, Gene Expression Regulation, Developmental, Evolution, Molecular, Mice, Gene Regulatory Networks, Epigenomics

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