The Dynamic Landscape of Open Chromatin during Human Cortical Neurogenesis

Cell. 2018 Jan 11;172(1-2):289-304.e18. doi: 10.1016/j.cell.2017.12.014. Epub 2018 Jan 4.

Abstract

Non-coding regions comprise most of the human genome and harbor a significant fraction of risk alleles for neuropsychiatric diseases, yet their functions remain poorly defined. We created a high-resolution map of non-coding elements involved in human cortical neurogenesis by contrasting chromatin accessibility and gene expression in the germinal zone and cortical plate of the developing cerebral cortex. We link distal regulatory elements (DREs) to their cognate gene(s) together with chromatin interaction data and show that target genes of human-gained enhancers (HGEs) regulate cortical neurogenesis and are enriched in outer radial glia, a cell type linked to human cortical evolution. We experimentally validate the regulatory effects of predicted enhancers for FGFR2 and EOMES. We observe that common genetic variants associated with educational attainment, risk for neuropsychiatric disease, and intracranial volume are enriched within regulatory elements involved in cortical neurogenesis, demonstrating the importance of this early developmental process for adult human cognitive function.

Keywords: ATAC-seq; chromatin; enhancers; evolution; human neocortical development; transcription factors.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Cell Line
  • Cells, Cultured
  • Cerebral Cortex / cytology
  • Cerebral Cortex / embryology
  • Cerebral Cortex / metabolism*
  • Chromatin / genetics
  • Chromatin / metabolism
  • Chromatin Assembly and Disassembly*
  • Enhancer Elements, Genetic
  • Female
  • Gene Expression Regulation, Developmental*
  • Humans
  • Male
  • Neurogenesis*
  • Neurons / cytology
  • Neurons / metabolism*
  • Polymorphism, Genetic
  • Receptor, Fibroblast Growth Factor, Type 2 / genetics
  • Receptor, Fibroblast Growth Factor, Type 2 / metabolism
  • T-Box Domain Proteins / genetics
  • T-Box Domain Proteins / metabolism

Substances

  • Chromatin
  • EOMES protein, human
  • T-Box Domain Proteins
  • FGFR2 protein, human
  • Receptor, Fibroblast Growth Factor, Type 2