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Dynamic enhancer landscapes in human craniofacial development.

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This summary is machine-generated.

Understanding human facial development and birth defects is challenging. This study maps craniofacial enhancers, revealing their activity patterns to aid genetic research.

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Area of Science:

  • Genetics and Developmental Biology
  • Genomic Regulation of Development

Background:

  • The genetic underpinnings of human facial variation and craniofacial birth defects are not well understood.
  • Transcriptional enhancers are crucial for precise gene expression during craniofacial development, but their genomic locations and cell-specific activities are largely unmapped.

Purpose of the Study:

  • To create a comprehensive map of the regulatory landscape governing human craniofacial development.
  • To identify and characterize craniofacial enhancers and their activity patterns at single-cell resolution.

Main Methods:

  • Integrated histone modification, chromatin accessibility, and gene expression profiling of human craniofacial development.
  • Employed single-cell analyses of the developing mouse face to infer enhancer activity.
  • Generated temporal activity profiles for thousands of human craniofacial enhancers.

Main Results:

  • Defined the regulatory landscape of facial development at tissue and single-cell resolution.
  • Provided temporal activity profiles for 14,000 human developmental craniofacial enhancers.
  • Identified conserved chromatin accessibility for 56% of human craniofacial enhancers in mouse models, predicting their in vivo activity across cell types and embryonic stages.

Conclusions:

  • This study provides an extensive resource for investigating the genetic and developmental basis of human craniofacial development.
  • The data facilitates systematic exploration of craniofacial enhancers in human genetics and disease studies.